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similarity index 66%
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diff --git a/codeforces/1016/io/2093d.1.cpout b/codeforces/1016/io/2093d.1.cpout
new file mode 100644
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diff --git a/codeforces/1016/io/2093e.1.cpin b/codeforces/1016/io/2093e.1.cpin
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diff --git a/codeforces/1016/io/2093g.1.cpout b/codeforces/1016/io/2093g.1.cpout
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
index 0000000..417348b
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new file mode 100644
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new file mode 100644
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diff --git a/1027/io/2114g.1.cpout b/codeforces/1029/io/2117a.1.cpout
similarity index 73%
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index c407358..d0b3bcb 100644
--- a/1027/io/2114g.1.cpout
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 NO
 YES
 YES
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diff --git a/codeforces/1029/io/2117b.1.cpin b/codeforces/1029/io/2117b.1.cpin
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new file mode 100644
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diff --git a/codeforces/1029/io/2117c.1.cpout b/codeforces/1029/io/2117c.1.cpout
new file mode 100644
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diff --git a/codeforces/1037/io/2126d.1.cpout b/codeforces/1037/io/2126d.1.cpout
new file mode 100644
index 0000000..1211257
--- /dev/null
+++ b/codeforces/1037/io/2126d.1.cpout
@@ -0,0 +1,5 @@
+10
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diff --git a/codeforces/1037/io/2126e.1.cpin b/codeforces/1037/io/2126e.1.cpin
new file mode 100644
index 0000000..f45da25
--- /dev/null
+++ b/codeforces/1037/io/2126e.1.cpin
@@ -0,0 +1,16 @@
+5
+6
+72 24 3 3 3 3
+3 3 3 6 12 144
+3
+1 2 3
+4 5 6
+5
+125 125 125 25 25
+25 25 25 25 75
+4
+123 421 282 251
+125 1981 239 223
+3
+124 521 125
+125 121 121
diff --git a/codeforces/1037/io/2126e.1.cpout b/codeforces/1037/io/2126e.1.cpout
new file mode 100644
index 0000000..eea5076
--- /dev/null
+++ b/codeforces/1037/io/2126e.1.cpout
@@ -0,0 +1,5 @@
+YES
+NO
+YES
+NO
+NO
diff --git a/codeforces/1037/io/2126f.1.cpin b/codeforces/1037/io/2126f.1.cpin
new file mode 100644
index 0000000..f30b709
--- /dev/null
+++ b/codeforces/1037/io/2126f.1.cpin
@@ -0,0 +1,28 @@
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+1 1
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+1 1
+2 3
+1 1
+1 2 10
+1 2
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+1 1
+5 4
+1 2 1 2 3
+1 2 5
+2 3 3
+2 4 4
+4 5 7
+3 2
+5 2
+1 2
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+4 3
+1 1 2 2
+1 2 2
+2 3 6
+2 4 8
+3 1
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diff --git a/codeforces/1037/io/2126f.1.cpout b/codeforces/1037/io/2126f.1.cpout
new file mode 100644
index 0000000..bdfabb2
--- /dev/null
+++ b/codeforces/1037/io/2126f.1.cpout
@@ -0,0 +1,11 @@
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diff --git a/codeforces/1037/io/2126g1.1.cpin b/codeforces/1037/io/2126g1.1.cpin
new file mode 100644
index 0000000..99cd084
--- /dev/null
+++ b/codeforces/1037/io/2126g1.1.cpin
@@ -0,0 +1,11 @@
+5
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+4
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diff --git a/codeforces/1037/io/2126g1.1.cpout b/codeforces/1037/io/2126g1.1.cpout
new file mode 100644
index 0000000..6b0682a
--- /dev/null
+++ b/codeforces/1037/io/2126g1.1.cpout
@@ -0,0 +1,5 @@
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diff --git a/codeforces/1037/io/2126g2.1.cpin b/codeforces/1037/io/2126g2.1.cpin
new file mode 100644
index 0000000..99cd084
--- /dev/null
+++ b/codeforces/1037/io/2126g2.1.cpin
@@ -0,0 +1,11 @@
+5
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+4
+4 1 1 3
+7
+6 1 3 4 6 2 7
+4
+4 2 3 1
+5
+1 2 3 4 5
diff --git a/codeforces/1037/io/2126g2.1.cpout b/codeforces/1037/io/2126g2.1.cpout
new file mode 100644
index 0000000..6b0682a
--- /dev/null
+++ b/codeforces/1037/io/2126g2.1.cpout
@@ -0,0 +1,5 @@
+3
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diff --git a/codeforces/1054/2149a.cc b/codeforces/1054/2149a.cc
new file mode 100644
index 0000000..b2e6efd
--- /dev/null
+++ b/codeforces/1054/2149a.cc
@@ -0,0 +1,61 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/1054/io/2149a.1.cpin b/codeforces/1054/io/2149a.1.cpin
new file mode 100644
index 0000000..1e11dc5
--- /dev/null
+++ b/codeforces/1054/io/2149a.1.cpin
@@ -0,0 +1,2 @@
+3
+-1 0 1
diff --git a/codeforces/1054/io/2149a.1.cpout b/codeforces/1054/io/2149a.1.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/1054/io/2149a.1.cpout
@@ -0,0 +1 @@
+3
diff --git a/codeforces/1054/io/2149a.2.cpin b/codeforces/1054/io/2149a.2.cpin
new file mode 100644
index 0000000..4e95a3c
--- /dev/null
+++ b/codeforces/1054/io/2149a.2.cpin
@@ -0,0 +1,2 @@
+4
+-1 -1 0 1
diff --git a/codeforces/1054/io/2149a.2.cpout b/codeforces/1054/io/2149a.2.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149a.2.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149a.3.cpin b/codeforces/1054/io/2149a.3.cpin
new file mode 100644
index 0000000..385f6fc
--- /dev/null
+++ b/codeforces/1054/io/2149a.3.cpin
@@ -0,0 +1,2 @@
+5
+-1 -1 -1 0 0
diff --git a/codeforces/1054/io/2149a.3.cpout b/codeforces/1054/io/2149a.3.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/1054/io/2149a.3.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/1054/io/2149b.1.cpin b/codeforces/1054/io/2149b.1.cpin
new file mode 100644
index 0000000..a789e87
--- /dev/null
+++ b/codeforces/1054/io/2149b.1.cpin
@@ -0,0 +1,2 @@
+2
+1 2
diff --git a/codeforces/1054/io/2149b.1.cpout b/codeforces/1054/io/2149b.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149b.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149b.2.cpin b/codeforces/1054/io/2149b.2.cpin
new file mode 100644
index 0000000..40fdd0d
--- /dev/null
+++ b/codeforces/1054/io/2149b.2.cpin
@@ -0,0 +1,2 @@
+4
+10 1 2 9
diff --git a/codeforces/1054/io/2149b.2.cpout b/codeforces/1054/io/2149b.2.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149b.2.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149b.3.cpin b/codeforces/1054/io/2149b.3.cpin
new file mode 100644
index 0000000..12860ae
--- /dev/null
+++ b/codeforces/1054/io/2149b.3.cpin
@@ -0,0 +1,2 @@
+6
+3 8 9 3 3 2
diff --git a/codeforces/1054/io/2149b.3.cpout b/codeforces/1054/io/2149b.3.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149b.3.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149b.4.cpin b/codeforces/1054/io/2149b.4.cpin
new file mode 100644
index 0000000..a008b65
--- /dev/null
+++ b/codeforces/1054/io/2149b.4.cpin
@@ -0,0 +1,2 @@
+8
+5 5 5 5 5 5 5 5
diff --git a/codeforces/1054/io/2149b.4.cpout b/codeforces/1054/io/2149b.4.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/1054/io/2149b.4.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/1054/io/2149b.5.cpin b/codeforces/1054/io/2149b.5.cpin
new file mode 100644
index 0000000..c0c5e2c
--- /dev/null
+++ b/codeforces/1054/io/2149b.5.cpin
@@ -0,0 +1,2 @@
+4
+-5 -1 2 6
diff --git a/codeforces/1054/io/2149b.5.cpout b/codeforces/1054/io/2149b.5.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/1054/io/2149b.5.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/1054/io/2149c.1.cpin b/codeforces/1054/io/2149c.1.cpin
new file mode 100644
index 0000000..aecb437
--- /dev/null
+++ b/codeforces/1054/io/2149c.1.cpin
@@ -0,0 +1,2 @@
+1 0
+0
diff --git a/codeforces/1054/io/2149c.1.cpout b/codeforces/1054/io/2149c.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149c.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149c.2.cpin b/codeforces/1054/io/2149c.2.cpin
new file mode 100644
index 0000000..88864c4
--- /dev/null
+++ b/codeforces/1054/io/2149c.2.cpin
@@ -0,0 +1,2 @@
+3 1
+0 2 3
diff --git a/codeforces/1054/io/2149c.2.cpout b/codeforces/1054/io/2149c.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/1054/io/2149c.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/1054/io/2149c.3.cpin b/codeforces/1054/io/2149c.3.cpin
new file mode 100644
index 0000000..e34c2fb
--- /dev/null
+++ b/codeforces/1054/io/2149c.3.cpin
@@ -0,0 +1,2 @@
+5 5
+0 1 2 3 4
diff --git a/codeforces/1054/io/2149c.3.cpout b/codeforces/1054/io/2149c.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/1054/io/2149c.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/1054/io/2149c.4.cpin b/codeforces/1054/io/2149c.4.cpin
new file mode 100644
index 0000000..bad5a2b
--- /dev/null
+++ b/codeforces/1054/io/2149c.4.cpin
@@ -0,0 +1,2 @@
+6 2
+0 3 4 2 6 2
diff --git a/codeforces/1054/io/2149c.4.cpout b/codeforces/1054/io/2149c.4.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/1054/io/2149c.4.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/1054/io/2149c.5.cpin b/codeforces/1054/io/2149c.5.cpin
new file mode 100644
index 0000000..5ae9e55
--- /dev/null
+++ b/codeforces/1054/io/2149c.5.cpin
@@ -0,0 +1,2 @@
+7 4
+0 1 5 4 4 7 3
diff --git a/codeforces/1054/io/2149c.5.cpout b/codeforces/1054/io/2149c.5.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/1054/io/2149c.5.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/1054/io/2149d.1.cpin b/codeforces/1054/io/2149d.1.cpin
new file mode 100644
index 0000000..5619232
--- /dev/null
+++ b/codeforces/1054/io/2149d.1.cpin
@@ -0,0 +1,2 @@
+4
+abab
diff --git a/codeforces/1054/io/2149d.1.cpout b/codeforces/1054/io/2149d.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149d.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/1054/io/2149d.2.cpin b/codeforces/1054/io/2149d.2.cpin
new file mode 100644
index 0000000..f9808f8
--- /dev/null
+++ b/codeforces/1054/io/2149d.2.cpin
@@ -0,0 +1,2 @@
+6
+bababa
diff --git a/codeforces/1054/io/2149d.2.cpout b/codeforces/1054/io/2149d.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/1054/io/2149d.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/1054/io/2149d.3.cpin b/codeforces/1054/io/2149d.3.cpin
new file mode 100644
index 0000000..a7f8424
--- /dev/null
+++ b/codeforces/1054/io/2149d.3.cpin
@@ -0,0 +1,2 @@
+7
+abababa
diff --git a/codeforces/1054/io/2149d.3.cpout b/codeforces/1054/io/2149d.3.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/1054/io/2149d.3.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/1054/io/2149d.4.cpin b/codeforces/1054/io/2149d.4.cpin
new file mode 100644
index 0000000..8768fc1
--- /dev/null
+++ b/codeforces/1054/io/2149d.4.cpin
@@ -0,0 +1,2 @@
+2
+ab
diff --git a/codeforces/1054/io/2149d.4.cpout b/codeforces/1054/io/2149d.4.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/1054/io/2149d.4.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/1054/io/2149d.5.cpin b/codeforces/1054/io/2149d.5.cpin
new file mode 100644
index 0000000..2f1f458
--- /dev/null
+++ b/codeforces/1054/io/2149d.5.cpin
@@ -0,0 +1,2 @@
+1
+b
diff --git a/codeforces/1054/io/2149d.5.cpout b/codeforces/1054/io/2149d.5.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/1054/io/2149d.5.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/1054/io/2149e.1.cpin b/codeforces/1054/io/2149e.1.cpin
new file mode 100644
index 0000000..98088ab
--- /dev/null
+++ b/codeforces/1054/io/2149e.1.cpin
@@ -0,0 +1,2 @@
+1 1 1 1
+5
diff --git a/codeforces/1054/io/2149e.1.cpout b/codeforces/1054/io/2149e.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/1054/io/2149e.1.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149e.2.cpin b/codeforces/1054/io/2149e.2.cpin
new file mode 100644
index 0000000..520ccf3
--- /dev/null
+++ b/codeforces/1054/io/2149e.2.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/1054/io/2149e.2.cpout b/codeforces/1054/io/2149e.2.cpout
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/1054/io/2149e.2.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149e.3.cpin b/codeforces/1054/io/2149e.3.cpin
new file mode 100644
index 0000000..07df459
--- /dev/null
+++ b/codeforces/1054/io/2149e.3.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/1054/io/2149e.3.cpout b/codeforces/1054/io/2149e.3.cpout
new file mode 100644
index 0000000..f599e28
--- /dev/null
+++ b/codeforces/1054/io/2149e.3.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149e.4.cpin b/codeforces/1054/io/2149e.4.cpin
new file mode 100644
index 0000000..c2d5c9d
--- /dev/null
+++ b/codeforces/1054/io/2149e.4.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/1054/io/2149e.4.cpout b/codeforces/1054/io/2149e.4.cpout
new file mode 100644
index 0000000..7f8f011
--- /dev/null
+++ b/codeforces/1054/io/2149e.4.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149e.5.cpin b/codeforces/1054/io/2149e.5.cpin
new file mode 100644
index 0000000..7eb1d8d
--- /dev/null
+++ b/codeforces/1054/io/2149e.5.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/1054/io/2149e.5.cpout b/codeforces/1054/io/2149e.5.cpout
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/1054/io/2149e.5.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.1.cpin b/codeforces/1054/io/2149f.1.cpin
new file mode 100644
index 0000000..bce4388
--- /dev/null
+++ b/codeforces/1054/io/2149f.1.cpin
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.1.cpout b/codeforces/1054/io/2149f.1.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/1054/io/2149f.1.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.2.cpin b/codeforces/1054/io/2149f.2.cpin
new file mode 100644
index 0000000..2fb73a0
--- /dev/null
+++ b/codeforces/1054/io/2149f.2.cpin
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.2.cpout b/codeforces/1054/io/2149f.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/1054/io/2149f.2.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.3.cpin b/codeforces/1054/io/2149f.3.cpin
new file mode 100644
index 0000000..3303b14
--- /dev/null
+++ b/codeforces/1054/io/2149f.3.cpin
@@ -0,0 +1 @@
+5 3
diff --git a/codeforces/1054/io/2149f.3.cpout b/codeforces/1054/io/2149f.3.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/1054/io/2149f.3.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.4.cpin b/codeforces/1054/io/2149f.4.cpin
new file mode 100644
index 0000000..0efd67f
--- /dev/null
+++ b/codeforces/1054/io/2149f.4.cpin
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.4.cpout b/codeforces/1054/io/2149f.4.cpout
new file mode 100644
index 0000000..7f8f011
--- /dev/null
+++ b/codeforces/1054/io/2149f.4.cpout
@@ -0,0 +1 @@
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new file mode 100644
index 0000000..0e9a360
--- /dev/null
+++ b/codeforces/1054/io/2149f.5.cpin
@@ -0,0 +1 @@
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diff --git a/codeforces/1054/io/2149f.5.cpout b/codeforces/1054/io/2149f.5.cpout
new file mode 100644
index 0000000..f599e28
--- /dev/null
+++ b/codeforces/1054/io/2149f.5.cpout
@@ -0,0 +1 @@
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new file mode 100644
index 0000000..31615ac
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new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
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@@ -0,0 +1 @@
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new file mode 100644
index 0000000..2eafdb8
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new file mode 100644
index 0000000..f57b3f2
--- /dev/null
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new file mode 100644
index 0000000..4898b13
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new file mode 100644
index 0000000..6759b86
--- /dev/null
+++ b/codeforces/1054/io/2149g.3.cpout
@@ -0,0 +1,3 @@
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diff --git a/codeforces/1054/io/2149g.4.cpin b/codeforces/1054/io/2149g.4.cpin
new file mode 100644
index 0000000..7d34300
--- /dev/null
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@@ -0,0 +1,4 @@
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new file mode 100644
index 0000000..a542996
--- /dev/null
+++ b/codeforces/1054/io/2149g.4.cpout
@@ -0,0 +1,2 @@
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new file mode 100644
index 0000000..5812656
--- /dev/null
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new file mode 100644
index 0000000..3bf48c9
--- /dev/null
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index 1191247..0cfbf08 100644
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index 2b2f2e1..00750ed 100644
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index 2f1b638..b8626c4 100644
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index 2b89b77..1e8b314 100644
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index ace1d56..29d6383 100644
--- a/codeforces/1065/io/2171a.5.cpin
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 100
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index 5e64946..d09ac6a 100644
--- a/codeforces/1065/io/2171b.1.cpin
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index 42efd36..432c4f9 100644
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index 3816289..2c86832 100644
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index c2e86b7..c4f1915 100644
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index 242f111..8481ead 100644
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index 78c6665..fed85ac 100644
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index 475769b..4e2b1f9 100644
--- a/codeforces/1065/io/2171c1.1.cpin
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index 1aa5126..e75857b 100644
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index 56309e3..ff166cb 100644
--- a/codeforces/1065/io/2171c1.3.cpin
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 4
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index c559b2a..7729239 100644
--- a/codeforces/1065/io/2171c1.4.cpin
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index 6fe85e5..cf6323f 100644
--- a/codeforces/1065/io/2171c1.5.cpin
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index 7f9021e..4f59de9 100644
--- a/codeforces/1065/io/2171c1.6.cpin
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index 5793563..9b2c1b6 100644
--- a/codeforces/1065/io/2171c2.1.cpin
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index c9f0d8c..faf5ec9 100644
--- a/codeforces/1065/io/2171c2.2.cpin
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index be7631b..91556c7 100644
--- a/codeforces/1065/io/2171c2.3.cpin
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index a0d4ab1..c78a9c3 100644
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diff --git a/codeforces/1065/io/2171c2.5.cpin b/codeforces/1065/io/2171c2.5.cpin
index 2cd9c92..04cb209 100644
--- a/codeforces/1065/io/2171c2.5.cpin
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index 491f6ee..e419a9f 100644
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index d6a0045..18a4d51 100644
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index 2ecd801..e5df890 100644
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index 3cab59c..6017019 100644
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index 877768d..308cb48 100644
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index 72e8415..1c11ca1 100644
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index ac28bcf..ec0763d 100644
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index 42d94ca..297792b 100644
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index 10ced9a..c0be89e 100644
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index 091ff97..94ee3a3 100644
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diff --git a/1027/.clang-format b/codeforces/19/.clang-format
similarity index 59%
rename from 1027/.clang-format
rename to codeforces/19/.clang-format
index d2c38f2..cbec8b9 100644
--- a/1027/.clang-format
+++ b/codeforces/19/.clang-format
@@ -1,5 +1,4 @@
 BasedOnStyle: Google
-IndentWidth: 4
+IndentWidth: 2
 ColumnLimit: 100
-BreakBeforeBraces: Allman
 PointerAlignment: Left
diff --git a/codeforces/19/19txt b/codeforces/19/19txt
new file mode 100644
index 0000000..0d98084
--- /dev/null
+++ b/codeforces/19/19txt
@@ -0,0 +1,94 @@
+A. Alternating Sum of Numbers
+time limit per test
+2 seconds
+memory limit per test
+256 megabytes
+input
+standard input
+output
+standard output
+You are given a sequence of integers. Output the alternating sum of this sequence. In other words, output a1−a2+a3−a4+a5−…
+a
+1
+−
+a
+2
++
+a
+3
+−
+a
+4
++
+a
+5
+−
+…
+. That is, the signs of plus and minus alternate, starting with a plus.
+
+Input
+The first line of the test contains one integer t
+t
+ (1≤t≤1000
+1
+≤
+t
+≤
+1000
+) — the number of test cases. Then follow t
+t
+ test cases.
+
+The first line of each test case contains one integer n
+n
+ (1≤n≤50
+1
+≤
+n
+≤
+50
+) — the length of the sequence. The second line of the test case contains n
+n
+ integers a1,a2,…,an
+a
+1
+,
+a
+2
+,
+…
+,
+a
+n
+ (1≤ai≤100
+1
+≤
+a
+i
+≤
+100
+).
+
+Output
+Output t
+t
+ lines. For each test case, output the required alternating sum of the numbers.
+
+Example
+Input
+Copy
+4
+4
+1 2 3 17
+1
+100
+2
+100 100
+5
+3 1 4 1 5
+Output
+Copy
+-15
+100
+0
+10
diff --git a/1027/2114a.cc b/codeforces/19/2010a.cc
similarity index 88%
rename from 1027/2114a.cc
rename to codeforces/19/2010a.cc
index ab4da9d..c5fe2a1 100644
--- a/1027/2114a.cc
+++ b/codeforces/19/2010a.cc
@@ -41,15 +41,13 @@ constexpr T MAX = std::numeric_limits<T>::max();
 void solve() {
   u32 n;
   cin >> n;
-  u32 root = sqrt(n);
-  while (root * root < n) {
-    ++root;
-  }
-  if (root * root == n) {
-    println("{} 0", root);
-  } else {
-    println("-1");
+  i32 ans = 0;
+  i32 a;
+  for (u32 i = 0; i < n; ++i) {
+    cin >> a;
+    ans += a * ((i & 1) ? -1 : 1);
   }
+  println("{}", ans);
 }
 
 int main() {  // {{{
diff --git a/codeforces/19/io/2010a.1.cpin b/codeforces/19/io/2010a.1.cpin
new file mode 100644
index 0000000..a571916
--- /dev/null
+++ b/codeforces/19/io/2010a.1.cpin
@@ -0,0 +1,9 @@
+4
+4
+1 2 3 17
+1
+100
+2
+100 100
+5
+3 1 4 1 5
diff --git a/codeforces/19/io/2010a.1.cpout b/codeforces/19/io/2010a.1.cpout
new file mode 100644
index 0000000..209dc9f
--- /dev/null
+++ b/codeforces/19/io/2010a.1.cpout
@@ -0,0 +1,4 @@
+-15
+100
+0
+10
diff --git a/codeforces/19/io/2010b.1.cpin b/codeforces/19/io/2010b.1.cpin
new file mode 100644
index 0000000..606c19a
--- /dev/null
+++ b/codeforces/19/io/2010b.1.cpin
@@ -0,0 +1 @@
+3 1
diff --git a/codeforces/19/io/2010b.1.cpout b/codeforces/19/io/2010b.1.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/19/io/2010b.1.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/19/io/2010c1.1.cpin b/codeforces/19/io/2010c1.1.cpin
new file mode 100644
index 0000000..eb636c6
--- /dev/null
+++ b/codeforces/19/io/2010c1.1.cpin
@@ -0,0 +1 @@
+abrakadabrabrakadabra
diff --git a/codeforces/19/io/2010c1.1.cpout b/codeforces/19/io/2010c1.1.cpout
new file mode 100644
index 0000000..b067925
--- /dev/null
+++ b/codeforces/19/io/2010c1.1.cpout
@@ -0,0 +1,2 @@
+YES
+abrakadabra
diff --git a/codeforces/19/io/2010c1.2.cpin b/codeforces/19/io/2010c1.2.cpin
new file mode 100644
index 0000000..f6ddab3
--- /dev/null
+++ b/codeforces/19/io/2010c1.2.cpin
@@ -0,0 +1 @@
+acacacaca
diff --git a/codeforces/19/io/2010c1.2.cpout b/codeforces/19/io/2010c1.2.cpout
new file mode 100644
index 0000000..dde543a
--- /dev/null
+++ b/codeforces/19/io/2010c1.2.cpout
@@ -0,0 +1,2 @@
+YES
+acaca
diff --git a/codeforces/19/io/2010c1.3.cpin b/codeforces/19/io/2010c1.3.cpin
new file mode 100644
index 0000000..db2fcbc
--- /dev/null
+++ b/codeforces/19/io/2010c1.3.cpin
@@ -0,0 +1 @@
+abcabc
diff --git a/codeforces/19/io/2010c1.3.cpout b/codeforces/19/io/2010c1.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/19/io/2010c1.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/19/io/2010c1.4.cpin b/codeforces/19/io/2010c1.4.cpin
new file mode 100644
index 0000000..194ef21
--- /dev/null
+++ b/codeforces/19/io/2010c1.4.cpin
@@ -0,0 +1 @@
+abababab
diff --git a/codeforces/19/io/2010c1.4.cpout b/codeforces/19/io/2010c1.4.cpout
new file mode 100644
index 0000000..caf9dd9
--- /dev/null
+++ b/codeforces/19/io/2010c1.4.cpout
@@ -0,0 +1,2 @@
+YES
+ababab
diff --git a/codeforces/19/io/2010c1.5.cpin b/codeforces/19/io/2010c1.5.cpin
new file mode 100644
index 0000000..55eb914
--- /dev/null
+++ b/codeforces/19/io/2010c1.5.cpin
@@ -0,0 +1 @@
+tatbt
diff --git a/codeforces/19/io/2010c1.5.cpout b/codeforces/19/io/2010c1.5.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/19/io/2010c1.5.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/19/io/2010c2.1.cpin b/codeforces/19/io/2010c2.1.cpin
new file mode 100644
index 0000000..eb636c6
--- /dev/null
+++ b/codeforces/19/io/2010c2.1.cpin
@@ -0,0 +1 @@
+abrakadabrabrakadabra
diff --git a/codeforces/19/io/2010c2.1.cpout b/codeforces/19/io/2010c2.1.cpout
new file mode 100644
index 0000000..b067925
--- /dev/null
+++ b/codeforces/19/io/2010c2.1.cpout
@@ -0,0 +1,2 @@
+YES
+abrakadabra
diff --git a/codeforces/19/io/2010c2.2.cpin b/codeforces/19/io/2010c2.2.cpin
new file mode 100644
index 0000000..f6ddab3
--- /dev/null
+++ b/codeforces/19/io/2010c2.2.cpin
@@ -0,0 +1 @@
+acacacaca
diff --git a/codeforces/19/io/2010c2.2.cpout b/codeforces/19/io/2010c2.2.cpout
new file mode 100644
index 0000000..3a269ab
--- /dev/null
+++ b/codeforces/19/io/2010c2.2.cpout
@@ -0,0 +1,2 @@
+YES
+acacaca
diff --git a/codeforces/19/io/2010c2.3.cpin b/codeforces/19/io/2010c2.3.cpin
new file mode 100644
index 0000000..db2fcbc
--- /dev/null
+++ b/codeforces/19/io/2010c2.3.cpin
@@ -0,0 +1 @@
+abcabc
diff --git a/codeforces/19/io/2010c2.3.cpout b/codeforces/19/io/2010c2.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/19/io/2010c2.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/19/io/2010c2.4.cpin b/codeforces/19/io/2010c2.4.cpin
new file mode 100644
index 0000000..194ef21
--- /dev/null
+++ b/codeforces/19/io/2010c2.4.cpin
@@ -0,0 +1 @@
+abababab
diff --git a/codeforces/19/io/2010c2.4.cpout b/codeforces/19/io/2010c2.4.cpout
new file mode 100644
index 0000000..caf9dd9
--- /dev/null
+++ b/codeforces/19/io/2010c2.4.cpout
@@ -0,0 +1,2 @@
+YES
+ababab
diff --git a/codeforces/19/io/2010c2.5.cpin b/codeforces/19/io/2010c2.5.cpin
new file mode 100644
index 0000000..55eb914
--- /dev/null
+++ b/codeforces/19/io/2010c2.5.cpin
@@ -0,0 +1 @@
+tatbt
diff --git a/codeforces/19/io/2010c2.5.cpout b/codeforces/19/io/2010c2.5.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/19/io/2010c2.5.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/479/.clang-format b/codeforces/479/.clang-format
new file mode 100644
index 0000000..cbec8b9
--- /dev/null
+++ b/codeforces/479/.clang-format
@@ -0,0 +1,4 @@
+BasedOnStyle: Google
+IndentWidth: 2
+ColumnLimit: 100
+PointerAlignment: Left
diff --git a/codeforces/481/978a.cc b/codeforces/481/978a.cc
index 4125314..4f05f95 100644
--- a/codeforces/481/978a.cc
+++ b/codeforces/481/978a.cc
@@ -55,7 +55,7 @@ void solve() {
     }
   }
   println("{}", n - write);
-  for (u32 i = write; ++i) {
+  for (u32 i = write; i < n; ++i) {
     print("{} ", a[i]);
   }
   println();
diff --git a/codeforces/490/io/999c.3.cpout b/codeforces/490/io/999c.3.cpout
index 8b13789..e69de29 100644
--- a/codeforces/490/io/999c.3.cpout
+++ b/codeforces/490/io/999c.3.cpout
@@ -1 +0,0 @@
-
diff --git a/codeforces/521/1077a.cc b/codeforces/521/1077a.cc
new file mode 100644
index 0000000..0a0116f
--- /dev/null
+++ b/codeforces/521/1077a.cc
@@ -0,0 +1,67 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  i64 a, b, k;
+  cin >> a >> b >> k;
+  i64 ans = (a - b) * (k / 2);
+  if (k & 1) {
+    ans += a;
+  }
+  println("{}", ans);
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/521/io/1077a.1.cpin b/codeforces/521/io/1077a.1.cpin
new file mode 100644
index 0000000..c665f9b
--- /dev/null
+++ b/codeforces/521/io/1077a.1.cpin
@@ -0,0 +1,7 @@
+6
+5 2 3
+100 1 4
+1 10 5
+1000000000 1 6
+1 1 1000000000
+1 1 999999999
diff --git a/codeforces/521/io/1077a.1.cpout b/codeforces/521/io/1077a.1.cpout
new file mode 100644
index 0000000..047d03f
--- /dev/null
+++ b/codeforces/521/io/1077a.1.cpout
@@ -0,0 +1,6 @@
+8
+198
+-17
+2999999997
+0
+1
diff --git a/codeforces/521/io/1077b.1.cpin b/codeforces/521/io/1077b.1.cpin
new file mode 100644
index 0000000..21f7d37
--- /dev/null
+++ b/codeforces/521/io/1077b.1.cpin
@@ -0,0 +1,2 @@
+10
+1 1 0 1 1 0 1 0 1 0
diff --git a/codeforces/521/io/1077b.1.cpout b/codeforces/521/io/1077b.1.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/521/io/1077b.1.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/521/io/1077b.2.cpin b/codeforces/521/io/1077b.2.cpin
new file mode 100644
index 0000000..9060230
--- /dev/null
+++ b/codeforces/521/io/1077b.2.cpin
@@ -0,0 +1,2 @@
+5
+1 1 0 0 0
diff --git a/codeforces/521/io/1077b.2.cpout b/codeforces/521/io/1077b.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/521/io/1077b.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/521/io/1077b.3.cpin b/codeforces/521/io/1077b.3.cpin
new file mode 100644
index 0000000..6c95aee
--- /dev/null
+++ b/codeforces/521/io/1077b.3.cpin
@@ -0,0 +1,2 @@
+4
+1 1 1 1
diff --git a/codeforces/521/io/1077b.3.cpout b/codeforces/521/io/1077b.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/521/io/1077b.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/521/io/1077c.1.cpin b/codeforces/521/io/1077c.1.cpin
new file mode 100644
index 0000000..d4473a8
--- /dev/null
+++ b/codeforces/521/io/1077c.1.cpin
@@ -0,0 +1,2 @@
+5
+2 5 1 2 2
diff --git a/codeforces/521/io/1077c.1.cpout b/codeforces/521/io/1077c.1.cpout
new file mode 100644
index 0000000..a2d69f6
--- /dev/null
+++ b/codeforces/521/io/1077c.1.cpout
@@ -0,0 +1,2 @@
+3
+4 1 5
diff --git a/codeforces/521/io/1077c.2.cpin b/codeforces/521/io/1077c.2.cpin
new file mode 100644
index 0000000..3cb5132
--- /dev/null
+++ b/codeforces/521/io/1077c.2.cpin
@@ -0,0 +1,2 @@
+4
+8 3 5 2
diff --git a/codeforces/521/io/1077c.2.cpout b/codeforces/521/io/1077c.2.cpout
new file mode 100644
index 0000000..44a7e95
--- /dev/null
+++ b/codeforces/521/io/1077c.2.cpout
@@ -0,0 +1,2 @@
+2
+1 4
diff --git a/codeforces/521/io/1077c.3.cpin b/codeforces/521/io/1077c.3.cpin
new file mode 100644
index 0000000..4e9dee8
--- /dev/null
+++ b/codeforces/521/io/1077c.3.cpin
@@ -0,0 +1,2 @@
+5
+2 1 2 4 3
diff --git a/codeforces/521/io/1077c.3.cpout b/codeforces/521/io/1077c.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/521/io/1077c.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/521/io/1077d.1.cpin b/codeforces/521/io/1077d.1.cpin
new file mode 100644
index 0000000..af27d61
--- /dev/null
+++ b/codeforces/521/io/1077d.1.cpin
@@ -0,0 +1,2 @@
+7 3
+1 2 3 2 4 3 1
diff --git a/codeforces/521/io/1077d.1.cpout b/codeforces/521/io/1077d.1.cpout
new file mode 100644
index 0000000..b85905e
--- /dev/null
+++ b/codeforces/521/io/1077d.1.cpout
@@ -0,0 +1 @@
+1 2 3
diff --git a/codeforces/521/io/1077d.2.cpin b/codeforces/521/io/1077d.2.cpin
new file mode 100644
index 0000000..3536e6b
--- /dev/null
+++ b/codeforces/521/io/1077d.2.cpin
@@ -0,0 +1,2 @@
+10 4
+1 3 1 3 10 3 7 7 12 3
diff --git a/codeforces/521/io/1077d.2.cpout b/codeforces/521/io/1077d.2.cpout
new file mode 100644
index 0000000..4d3247d
--- /dev/null
+++ b/codeforces/521/io/1077d.2.cpout
@@ -0,0 +1 @@
+7 3 1 3
diff --git a/codeforces/521/io/1077d.3.cpin b/codeforces/521/io/1077d.3.cpin
new file mode 100644
index 0000000..660d2dc
--- /dev/null
+++ b/codeforces/521/io/1077d.3.cpin
@@ -0,0 +1,2 @@
+15 2
+1 2 1 1 1 2 1 1 2 1 2 1 1 1 1
diff --git a/codeforces/521/io/1077d.3.cpout b/codeforces/521/io/1077d.3.cpout
new file mode 100644
index 0000000..2fb73a0
--- /dev/null
+++ b/codeforces/521/io/1077d.3.cpout
@@ -0,0 +1 @@
+1 1
diff --git a/codeforces/521/io/1077e.1.cpin b/codeforces/521/io/1077e.1.cpin
new file mode 100644
index 0000000..9e56ed7
--- /dev/null
+++ b/codeforces/521/io/1077e.1.cpin
@@ -0,0 +1,2 @@
+18
+2 1 2 10 2 10 10 2 2 1 10 10 10 10 1 1 10 10
diff --git a/codeforces/521/io/1077e.1.cpout b/codeforces/521/io/1077e.1.cpout
new file mode 100644
index 0000000..8351c19
--- /dev/null
+++ b/codeforces/521/io/1077e.1.cpout
@@ -0,0 +1 @@
+14
diff --git a/codeforces/521/io/1077e.2.cpin b/codeforces/521/io/1077e.2.cpin
new file mode 100644
index 0000000..71d5251
--- /dev/null
+++ b/codeforces/521/io/1077e.2.cpin
@@ -0,0 +1,2 @@
+10
+6 6 6 3 6 1000000000 3 3 6 6
diff --git a/codeforces/521/io/1077e.2.cpout b/codeforces/521/io/1077e.2.cpout
new file mode 100644
index 0000000..ec63514
--- /dev/null
+++ b/codeforces/521/io/1077e.2.cpout
@@ -0,0 +1 @@
+9
diff --git a/codeforces/521/io/1077e.3.cpin b/codeforces/521/io/1077e.3.cpin
new file mode 100644
index 0000000..9e2bd89
--- /dev/null
+++ b/codeforces/521/io/1077e.3.cpin
@@ -0,0 +1,2 @@
+3
+1337 1337 1337
diff --git a/codeforces/521/io/1077e.3.cpout b/codeforces/521/io/1077e.3.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/521/io/1077e.3.cpout
@@ -0,0 +1 @@
+3
diff --git a/codeforces/521/io/1077f1.1.cpin b/codeforces/521/io/1077f1.1.cpin
new file mode 100644
index 0000000..92c2724
--- /dev/null
+++ b/codeforces/521/io/1077f1.1.cpin
@@ -0,0 +1,2 @@
+5 2 3
+5 1 3 10 1
diff --git a/codeforces/521/io/1077f1.1.cpout b/codeforces/521/io/1077f1.1.cpout
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/codeforces/521/io/1077f1.1.cpout
@@ -0,0 +1 @@
+18
diff --git a/codeforces/521/io/1077f1.2.cpin b/codeforces/521/io/1077f1.2.cpin
new file mode 100644
index 0000000..ac5cf3e
--- /dev/null
+++ b/codeforces/521/io/1077f1.2.cpin
@@ -0,0 +1,2 @@
+6 1 5
+10 30 30 70 10 10
diff --git a/codeforces/521/io/1077f1.2.cpout b/codeforces/521/io/1077f1.2.cpout
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/codeforces/521/io/1077f1.2.cpout
@@ -0,0 +1 @@
+-1
diff --git a/codeforces/521/io/1077f1.3.cpin b/codeforces/521/io/1077f1.3.cpin
new file mode 100644
index 0000000..f389762
--- /dev/null
+++ b/codeforces/521/io/1077f1.3.cpin
@@ -0,0 +1,2 @@
+4 3 1
+1 100 1 1
diff --git a/codeforces/521/io/1077f1.3.cpout b/codeforces/521/io/1077f1.3.cpout
new file mode 100644
index 0000000..29d6383
--- /dev/null
+++ b/codeforces/521/io/1077f1.3.cpout
@@ -0,0 +1 @@
+100
diff --git a/codeforces/521/io/1077f2.1.cpin b/codeforces/521/io/1077f2.1.cpin
new file mode 100644
index 0000000..92c2724
--- /dev/null
+++ b/codeforces/521/io/1077f2.1.cpin
@@ -0,0 +1,2 @@
+5 2 3
+5 1 3 10 1
diff --git a/codeforces/521/io/1077f2.1.cpout b/codeforces/521/io/1077f2.1.cpout
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/codeforces/521/io/1077f2.1.cpout
@@ -0,0 +1 @@
+18
diff --git a/codeforces/521/io/1077f2.2.cpin b/codeforces/521/io/1077f2.2.cpin
new file mode 100644
index 0000000..ac5cf3e
--- /dev/null
+++ b/codeforces/521/io/1077f2.2.cpin
@@ -0,0 +1,2 @@
+6 1 5
+10 30 30 70 10 10
diff --git a/codeforces/521/io/1077f2.2.cpout b/codeforces/521/io/1077f2.2.cpout
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/codeforces/521/io/1077f2.2.cpout
@@ -0,0 +1 @@
+-1
diff --git a/codeforces/521/io/1077f2.3.cpin b/codeforces/521/io/1077f2.3.cpin
new file mode 100644
index 0000000..f389762
--- /dev/null
+++ b/codeforces/521/io/1077f2.3.cpin
@@ -0,0 +1,2 @@
+4 3 1
+1 100 1 1
diff --git a/codeforces/521/io/1077f2.3.cpout b/codeforces/521/io/1077f2.3.cpout
new file mode 100644
index 0000000..29d6383
--- /dev/null
+++ b/codeforces/521/io/1077f2.3.cpout
@@ -0,0 +1 @@
+100
diff --git a/codeforces/527/1092a.cc b/codeforces/527/1092a.cc
new file mode 100644
index 0000000..145a058
--- /dev/null
+++ b/codeforces/527/1092a.cc
@@ -0,0 +1,73 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u32 n, m;
+  cin >> n >> m;
+
+  u32 i;
+  for (char c = 'a', i = 0; i < m; ++i, ++c) {
+    for (u32 j = 0; j < n / m; ++j) {
+      print("{}", c);
+    }
+  }
+  for (i = 0; i < n - m * (n / m); ++i) {
+    print("a");
+  }
+  println();
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/527/io/1092a.1.cpin b/codeforces/527/io/1092a.1.cpin
new file mode 100644
index 0000000..72033a5
--- /dev/null
+++ b/codeforces/527/io/1092a.1.cpin
@@ -0,0 +1,4 @@
+3
+7 3
+4 4
+6 2
diff --git a/codeforces/527/io/1092a.1.cpout b/codeforces/527/io/1092a.1.cpout
new file mode 100644
index 0000000..afac5a6
--- /dev/null
+++ b/codeforces/527/io/1092a.1.cpout
@@ -0,0 +1,3 @@
+cbcacab
+abcd
+baabab
diff --git a/codeforces/527/io/1092b.1.cpin b/codeforces/527/io/1092b.1.cpin
new file mode 100644
index 0000000..394d7a0
--- /dev/null
+++ b/codeforces/527/io/1092b.1.cpin
@@ -0,0 +1,2 @@
+6
+5 10 2 3 14 5
diff --git a/codeforces/527/io/1092b.1.cpout b/codeforces/527/io/1092b.1.cpout
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/527/io/1092b.1.cpout
@@ -0,0 +1 @@
+5
diff --git a/codeforces/527/io/1092b.2.cpin b/codeforces/527/io/1092b.2.cpin
new file mode 100644
index 0000000..32ff4b5
--- /dev/null
+++ b/codeforces/527/io/1092b.2.cpin
@@ -0,0 +1,2 @@
+2
+1 100
diff --git a/codeforces/527/io/1092b.2.cpout b/codeforces/527/io/1092b.2.cpout
new file mode 100644
index 0000000..3ad5abd
--- /dev/null
+++ b/codeforces/527/io/1092b.2.cpout
@@ -0,0 +1 @@
+99
diff --git a/codeforces/527/io/1092c.1.cpin b/codeforces/527/io/1092c.1.cpin
new file mode 100644
index 0000000..d8cecc0
--- /dev/null
+++ b/codeforces/527/io/1092c.1.cpin
@@ -0,0 +1,9 @@
+5
+ba
+a
+abab
+a
+aba
+baba
+ab
+aba
diff --git a/codeforces/527/io/1092c.1.cpout b/codeforces/527/io/1092c.1.cpout
new file mode 100644
index 0000000..424396a
--- /dev/null
+++ b/codeforces/527/io/1092c.1.cpout
@@ -0,0 +1 @@
+SPPSPSPS
diff --git a/codeforces/527/io/1092c.2.cpin b/codeforces/527/io/1092c.2.cpin
new file mode 100644
index 0000000..7c169d2
--- /dev/null
+++ b/codeforces/527/io/1092c.2.cpin
@@ -0,0 +1,5 @@
+3
+a
+aa
+aa
+a
diff --git a/codeforces/527/io/1092c.2.cpout b/codeforces/527/io/1092c.2.cpout
new file mode 100644
index 0000000..eb989a8
--- /dev/null
+++ b/codeforces/527/io/1092c.2.cpout
@@ -0,0 +1 @@
+PPSS
diff --git a/codeforces/527/io/1092c.3.cpin b/codeforces/527/io/1092c.3.cpin
new file mode 100644
index 0000000..8718f22
--- /dev/null
+++ b/codeforces/527/io/1092c.3.cpin
@@ -0,0 +1,3 @@
+2
+a
+c
diff --git a/codeforces/527/io/1092c.3.cpout b/codeforces/527/io/1092c.3.cpout
new file mode 100644
index 0000000..e924580
--- /dev/null
+++ b/codeforces/527/io/1092c.3.cpout
@@ -0,0 +1 @@
+PS
diff --git a/codeforces/527/io/1092d1.1.cpin b/codeforces/527/io/1092d1.1.cpin
new file mode 100644
index 0000000..e4eccb8
--- /dev/null
+++ b/codeforces/527/io/1092d1.1.cpin
@@ -0,0 +1,2 @@
+5
+2 1 1 2 5
diff --git a/codeforces/527/io/1092d1.1.cpout b/codeforces/527/io/1092d1.1.cpout
new file mode 100644
index 0000000..f033a50
--- /dev/null
+++ b/codeforces/527/io/1092d1.1.cpout
@@ -0,0 +1 @@
+YES
diff --git a/codeforces/527/io/1092d1.2.cpin b/codeforces/527/io/1092d1.2.cpin
new file mode 100644
index 0000000..30553e9
--- /dev/null
+++ b/codeforces/527/io/1092d1.2.cpin
@@ -0,0 +1,2 @@
+3
+4 5 3
diff --git a/codeforces/527/io/1092d1.2.cpout b/codeforces/527/io/1092d1.2.cpout
new file mode 100644
index 0000000..f033a50
--- /dev/null
+++ b/codeforces/527/io/1092d1.2.cpout
@@ -0,0 +1 @@
+YES
diff --git a/codeforces/527/io/1092d1.3.cpin b/codeforces/527/io/1092d1.3.cpin
new file mode 100644
index 0000000..3314d15
--- /dev/null
+++ b/codeforces/527/io/1092d1.3.cpin
@@ -0,0 +1,2 @@
+2
+10 10
diff --git a/codeforces/527/io/1092d1.3.cpout b/codeforces/527/io/1092d1.3.cpout
new file mode 100644
index 0000000..f033a50
--- /dev/null
+++ b/codeforces/527/io/1092d1.3.cpout
@@ -0,0 +1 @@
+YES
diff --git a/codeforces/527/io/1092d1.4.cpin b/codeforces/527/io/1092d1.4.cpin
new file mode 100644
index 0000000..99e00b5
--- /dev/null
+++ b/codeforces/527/io/1092d1.4.cpin
@@ -0,0 +1,2 @@
+3
+1 2 3
diff --git a/codeforces/527/io/1092d1.4.cpout b/codeforces/527/io/1092d1.4.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/527/io/1092d1.4.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/527/io/1092d2.1.cpin b/codeforces/527/io/1092d2.1.cpin
new file mode 100644
index 0000000..e4eccb8
--- /dev/null
+++ b/codeforces/527/io/1092d2.1.cpin
@@ -0,0 +1,2 @@
+5
+2 1 1 2 5
diff --git a/codeforces/527/io/1092d2.1.cpout b/codeforces/527/io/1092d2.1.cpout
new file mode 100644
index 0000000..f033a50
--- /dev/null
+++ b/codeforces/527/io/1092d2.1.cpout
@@ -0,0 +1 @@
+YES
diff --git a/codeforces/527/io/1092d2.2.cpin b/codeforces/527/io/1092d2.2.cpin
new file mode 100644
index 0000000..30553e9
--- /dev/null
+++ b/codeforces/527/io/1092d2.2.cpin
@@ -0,0 +1,2 @@
+3
+4 5 3
diff --git a/codeforces/527/io/1092d2.2.cpout b/codeforces/527/io/1092d2.2.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/527/io/1092d2.2.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/527/io/1092d2.3.cpin b/codeforces/527/io/1092d2.3.cpin
new file mode 100644
index 0000000..3314d15
--- /dev/null
+++ b/codeforces/527/io/1092d2.3.cpin
@@ -0,0 +1,2 @@
+2
+10 10
diff --git a/codeforces/527/io/1092d2.3.cpout b/codeforces/527/io/1092d2.3.cpout
new file mode 100644
index 0000000..f033a50
--- /dev/null
+++ b/codeforces/527/io/1092d2.3.cpout
@@ -0,0 +1 @@
+YES
diff --git a/codeforces/527/io/1092e.1.cpin b/codeforces/527/io/1092e.1.cpin
new file mode 100644
index 0000000..199b03b
--- /dev/null
+++ b/codeforces/527/io/1092e.1.cpin
@@ -0,0 +1,3 @@
+4 2
+1 2
+2 3
diff --git a/codeforces/527/io/1092e.1.cpout b/codeforces/527/io/1092e.1.cpout
new file mode 100644
index 0000000..a30bddb
--- /dev/null
+++ b/codeforces/527/io/1092e.1.cpout
@@ -0,0 +1,2 @@
+2
+4 2
diff --git a/codeforces/527/io/1092e.2.cpin b/codeforces/527/io/1092e.2.cpin
new file mode 100644
index 0000000..a74b3c2
--- /dev/null
+++ b/codeforces/527/io/1092e.2.cpin
@@ -0,0 +1 @@
+2 0
diff --git a/codeforces/527/io/1092e.2.cpout b/codeforces/527/io/1092e.2.cpout
new file mode 100644
index 0000000..85f57a3
--- /dev/null
+++ b/codeforces/527/io/1092e.2.cpout
@@ -0,0 +1,2 @@
+1
+1 2
diff --git a/codeforces/527/io/1092e.3.cpin b/codeforces/527/io/1092e.3.cpin
new file mode 100644
index 0000000..a292fd6
--- /dev/null
+++ b/codeforces/527/io/1092e.3.cpin
@@ -0,0 +1,3 @@
+3 2
+1 3
+2 3
diff --git a/codeforces/527/io/1092e.3.cpout b/codeforces/527/io/1092e.3.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/527/io/1092e.3.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/527/io/1092f.1.cpin b/codeforces/527/io/1092f.1.cpin
new file mode 100644
index 0000000..5197c80
--- /dev/null
+++ b/codeforces/527/io/1092f.1.cpin
@@ -0,0 +1,9 @@
+8
+9 4 1 7 10 1 6 5
+1 2
+2 3
+1 4
+1 5
+5 6
+5 7
+5 8
diff --git a/codeforces/527/io/1092f.1.cpout b/codeforces/527/io/1092f.1.cpout
new file mode 100644
index 0000000..9289ddc
--- /dev/null
+++ b/codeforces/527/io/1092f.1.cpout
@@ -0,0 +1 @@
+121
diff --git a/codeforces/527/io/1092f.2.cpin b/codeforces/527/io/1092f.2.cpin
new file mode 100644
index 0000000..cd1a643
--- /dev/null
+++ b/codeforces/527/io/1092f.2.cpin
@@ -0,0 +1,2 @@
+1
+1337
diff --git a/codeforces/527/io/1092f.2.cpout b/codeforces/527/io/1092f.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/527/io/1092f.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/529/1095a.cc b/codeforces/529/1095a.cc
new file mode 100644
index 0000000..3dc0d8a
--- /dev/null
+++ b/codeforces/529/1095a.cc
@@ -0,0 +1,71 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u32 n;
+  cin >> n;
+  string s;
+  cin >> s;
+
+  u32 index = 0;
+  for (u32 i = 1; index < n; ++i) {
+    print("{}", s[index]);
+    index += i;
+  }
+  println();
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  // std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/529/io/1095a.1.cpin b/codeforces/529/io/1095a.1.cpin
new file mode 100644
index 0000000..2449626
--- /dev/null
+++ b/codeforces/529/io/1095a.1.cpin
@@ -0,0 +1,2 @@
+6
+baabbb
diff --git a/codeforces/529/io/1095a.1.cpout b/codeforces/529/io/1095a.1.cpout
new file mode 100644
index 0000000..3aa4b50
--- /dev/null
+++ b/codeforces/529/io/1095a.1.cpout
@@ -0,0 +1 @@
+bab
diff --git a/codeforces/529/io/1095a.2.cpin b/codeforces/529/io/1095a.2.cpin
new file mode 100644
index 0000000..25485ad
--- /dev/null
+++ b/codeforces/529/io/1095a.2.cpin
@@ -0,0 +1,2 @@
+10
+ooopppssss
diff --git a/codeforces/529/io/1095a.2.cpout b/codeforces/529/io/1095a.2.cpout
new file mode 100644
index 0000000..75891bc
--- /dev/null
+++ b/codeforces/529/io/1095a.2.cpout
@@ -0,0 +1 @@
+oops
diff --git a/codeforces/529/io/1095a.3.cpin b/codeforces/529/io/1095a.3.cpin
new file mode 100644
index 0000000..dd805a7
--- /dev/null
+++ b/codeforces/529/io/1095a.3.cpin
@@ -0,0 +1,2 @@
+1
+z
diff --git a/codeforces/529/io/1095a.3.cpout b/codeforces/529/io/1095a.3.cpout
new file mode 100644
index 0000000..b680253
--- /dev/null
+++ b/codeforces/529/io/1095a.3.cpout
@@ -0,0 +1 @@
+z
diff --git a/codeforces/529/io/1095b.1.cpin b/codeforces/529/io/1095b.1.cpin
new file mode 100644
index 0000000..dc5b3cf
--- /dev/null
+++ b/codeforces/529/io/1095b.1.cpin
@@ -0,0 +1,2 @@
+4
+1 3 3 7
diff --git a/codeforces/529/io/1095b.1.cpout b/codeforces/529/io/1095b.1.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/529/io/1095b.1.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/529/io/1095b.2.cpin b/codeforces/529/io/1095b.2.cpin
new file mode 100644
index 0000000..97dbc2c
--- /dev/null
+++ b/codeforces/529/io/1095b.2.cpin
@@ -0,0 +1,2 @@
+2
+1 100000
diff --git a/codeforces/529/io/1095b.2.cpout b/codeforces/529/io/1095b.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/529/io/1095b.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/529/io/1095c.1.cpin b/codeforces/529/io/1095c.1.cpin
new file mode 100644
index 0000000..0b0fb50
--- /dev/null
+++ b/codeforces/529/io/1095c.1.cpin
@@ -0,0 +1 @@
+9 4
diff --git a/codeforces/529/io/1095c.1.cpout b/codeforces/529/io/1095c.1.cpout
new file mode 100644
index 0000000..44de880
--- /dev/null
+++ b/codeforces/529/io/1095c.1.cpout
@@ -0,0 +1,2 @@
+YES
+1 2 2 4
diff --git a/codeforces/529/io/1095c.2.cpin b/codeforces/529/io/1095c.2.cpin
new file mode 100644
index 0000000..af98985
--- /dev/null
+++ b/codeforces/529/io/1095c.2.cpin
@@ -0,0 +1 @@
+8 1
diff --git a/codeforces/529/io/1095c.2.cpout b/codeforces/529/io/1095c.2.cpout
new file mode 100644
index 0000000..506a0c2
--- /dev/null
+++ b/codeforces/529/io/1095c.2.cpout
@@ -0,0 +1,2 @@
+YES
+8
diff --git a/codeforces/529/io/1095c.3.cpin b/codeforces/529/io/1095c.3.cpin
new file mode 100644
index 0000000..2c3e36b
--- /dev/null
+++ b/codeforces/529/io/1095c.3.cpin
@@ -0,0 +1 @@
+5 1
diff --git a/codeforces/529/io/1095c.3.cpout b/codeforces/529/io/1095c.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/529/io/1095c.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/529/io/1095c.4.cpin b/codeforces/529/io/1095c.4.cpin
new file mode 100644
index 0000000..0871b0b
--- /dev/null
+++ b/codeforces/529/io/1095c.4.cpin
@@ -0,0 +1 @@
+3 7
diff --git a/codeforces/529/io/1095c.4.cpout b/codeforces/529/io/1095c.4.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/529/io/1095c.4.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/529/io/1095d.1.cpin b/codeforces/529/io/1095d.1.cpin
new file mode 100644
index 0000000..077385b
--- /dev/null
+++ b/codeforces/529/io/1095d.1.cpin
@@ -0,0 +1,6 @@
+5
+3 5
+1 4
+2 4
+1 5
+2 3
diff --git a/codeforces/529/io/1095d.1.cpout b/codeforces/529/io/1095d.1.cpout
new file mode 100644
index 0000000..1ba18d8
--- /dev/null
+++ b/codeforces/529/io/1095d.1.cpout
@@ -0,0 +1 @@
+3 2 4 1 5
diff --git a/codeforces/529/io/1095d.2.cpin b/codeforces/529/io/1095d.2.cpin
new file mode 100644
index 0000000..a2374ea
--- /dev/null
+++ b/codeforces/529/io/1095d.2.cpin
@@ -0,0 +1,4 @@
+3
+2 3
+3 1
+1 2
diff --git a/codeforces/529/io/1095d.2.cpout b/codeforces/529/io/1095d.2.cpout
new file mode 100644
index 0000000..f4c3b6f
--- /dev/null
+++ b/codeforces/529/io/1095d.2.cpout
@@ -0,0 +1 @@
+3 1 2
diff --git a/codeforces/529/io/1095e.1.cpin b/codeforces/529/io/1095e.1.cpin
new file mode 100644
index 0000000..e910be8
--- /dev/null
+++ b/codeforces/529/io/1095e.1.cpin
@@ -0,0 +1,2 @@
+6
+(((())
diff --git a/codeforces/529/io/1095e.1.cpout b/codeforces/529/io/1095e.1.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/529/io/1095e.1.cpout
@@ -0,0 +1 @@
+3
diff --git a/codeforces/529/io/1095e.2.cpin b/codeforces/529/io/1095e.2.cpin
new file mode 100644
index 0000000..0b50d9c
--- /dev/null
+++ b/codeforces/529/io/1095e.2.cpin
@@ -0,0 +1,2 @@
+6
+()()()
diff --git a/codeforces/529/io/1095e.2.cpout b/codeforces/529/io/1095e.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/529/io/1095e.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/529/io/1095e.3.cpin b/codeforces/529/io/1095e.3.cpin
new file mode 100644
index 0000000..e2e4327
--- /dev/null
+++ b/codeforces/529/io/1095e.3.cpin
@@ -0,0 +1,2 @@
+1
+)
diff --git a/codeforces/529/io/1095e.3.cpout b/codeforces/529/io/1095e.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/529/io/1095e.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/529/io/1095e.4.cpin b/codeforces/529/io/1095e.4.cpin
new file mode 100644
index 0000000..a066303
--- /dev/null
+++ b/codeforces/529/io/1095e.4.cpin
@@ -0,0 +1,2 @@
+8
+)))(((((
diff --git a/codeforces/529/io/1095e.4.cpout b/codeforces/529/io/1095e.4.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/529/io/1095e.4.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/529/io/1095f.1.cpin b/codeforces/529/io/1095f.1.cpin
new file mode 100644
index 0000000..9d70e0f
--- /dev/null
+++ b/codeforces/529/io/1095f.1.cpin
@@ -0,0 +1,4 @@
+3 2
+1 3 3
+2 3 5
+2 1 1
diff --git a/codeforces/529/io/1095f.1.cpout b/codeforces/529/io/1095f.1.cpout
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/529/io/1095f.1.cpout
@@ -0,0 +1 @@
+5
diff --git a/codeforces/529/io/1095f.2.cpin b/codeforces/529/io/1095f.2.cpin
new file mode 100644
index 0000000..6405ca9
--- /dev/null
+++ b/codeforces/529/io/1095f.2.cpin
@@ -0,0 +1,2 @@
+4 0
+1 3 3 7
diff --git a/codeforces/529/io/1095f.2.cpout b/codeforces/529/io/1095f.2.cpout
new file mode 100644
index 0000000..b6a7d89
--- /dev/null
+++ b/codeforces/529/io/1095f.2.cpout
@@ -0,0 +1 @@
+16
diff --git a/codeforces/529/io/1095f.3.cpin b/codeforces/529/io/1095f.3.cpin
new file mode 100644
index 0000000..4fafc2a
--- /dev/null
+++ b/codeforces/529/io/1095f.3.cpin
@@ -0,0 +1,6 @@
+5 4
+1 2 3 4 5
+1 2 8
+1 3 10
+1 4 7
+1 5 15
diff --git a/codeforces/529/io/1095f.3.cpout b/codeforces/529/io/1095f.3.cpout
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/codeforces/529/io/1095f.3.cpout
@@ -0,0 +1 @@
+18
diff --git a/codeforces/531/1102a.cc b/codeforces/531/1102a.cc
new file mode 100644
index 0000000..1d4b071
--- /dev/null
+++ b/codeforces/531/1102a.cc
@@ -0,0 +1,63 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u32 n;
+  cin >> n;
+  println("{}", n == 3 ? 0 : 1);
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  // std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/531/io/1102a.1.cpin b/codeforces/531/io/1102a.1.cpin
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/531/io/1102a.1.cpin
@@ -0,0 +1 @@
+3
diff --git a/codeforces/531/io/1102a.1.cpout b/codeforces/531/io/1102a.1.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/531/io/1102a.1.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/531/io/1102a.2.cpin b/codeforces/531/io/1102a.2.cpin
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/531/io/1102a.2.cpin
@@ -0,0 +1 @@
+5
diff --git a/codeforces/531/io/1102a.2.cpout b/codeforces/531/io/1102a.2.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/531/io/1102a.2.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/531/io/1102a.3.cpin b/codeforces/531/io/1102a.3.cpin
new file mode 100644
index 0000000..1e8b314
--- /dev/null
+++ b/codeforces/531/io/1102a.3.cpin
@@ -0,0 +1 @@
+6
diff --git a/codeforces/531/io/1102a.3.cpout b/codeforces/531/io/1102a.3.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/531/io/1102a.3.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/531/io/1102b.1.cpin b/codeforces/531/io/1102b.1.cpin
new file mode 100644
index 0000000..7c778b8
--- /dev/null
+++ b/codeforces/531/io/1102b.1.cpin
@@ -0,0 +1,2 @@
+4 2
+1 2 2 3
diff --git a/codeforces/531/io/1102b.1.cpout b/codeforces/531/io/1102b.1.cpout
new file mode 100644
index 0000000..e777172
--- /dev/null
+++ b/codeforces/531/io/1102b.1.cpout
@@ -0,0 +1,2 @@
+YES
+1 1 2 2
diff --git a/codeforces/531/io/1102b.2.cpin b/codeforces/531/io/1102b.2.cpin
new file mode 100644
index 0000000..e5db981
--- /dev/null
+++ b/codeforces/531/io/1102b.2.cpin
@@ -0,0 +1,2 @@
+5 2
+3 2 1 2 3
diff --git a/codeforces/531/io/1102b.2.cpout b/codeforces/531/io/1102b.2.cpout
new file mode 100644
index 0000000..f85b15c
--- /dev/null
+++ b/codeforces/531/io/1102b.2.cpout
@@ -0,0 +1,2 @@
+YES
+2 1 1 2 1
diff --git a/codeforces/531/io/1102b.3.cpin b/codeforces/531/io/1102b.3.cpin
new file mode 100644
index 0000000..4730a51
--- /dev/null
+++ b/codeforces/531/io/1102b.3.cpin
@@ -0,0 +1,2 @@
+5 2
+2 1 1 2 1
diff --git a/codeforces/531/io/1102b.3.cpout b/codeforces/531/io/1102b.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/531/io/1102b.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/531/io/1102c.1.cpin b/codeforces/531/io/1102c.1.cpin
new file mode 100644
index 0000000..76ca365
--- /dev/null
+++ b/codeforces/531/io/1102c.1.cpin
@@ -0,0 +1,2 @@
+6 3 2
+2 3 1 3 4 2
diff --git a/codeforces/531/io/1102c.1.cpout b/codeforces/531/io/1102c.1.cpout
new file mode 100644
index 0000000..1e8b314
--- /dev/null
+++ b/codeforces/531/io/1102c.1.cpout
@@ -0,0 +1 @@
+6
diff --git a/codeforces/531/io/1102c.2.cpin b/codeforces/531/io/1102c.2.cpin
new file mode 100644
index 0000000..45eb17b
--- /dev/null
+++ b/codeforces/531/io/1102c.2.cpin
@@ -0,0 +1,2 @@
+5 3 3
+1 2 4 2 3
diff --git a/codeforces/531/io/1102c.2.cpout b/codeforces/531/io/1102c.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/531/io/1102c.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/531/io/1102c.3.cpin b/codeforces/531/io/1102c.3.cpin
new file mode 100644
index 0000000..7e48c0c
--- /dev/null
+++ b/codeforces/531/io/1102c.3.cpin
@@ -0,0 +1,2 @@
+5 5 6
+1 2 6 10 3
diff --git a/codeforces/531/io/1102c.3.cpout b/codeforces/531/io/1102c.3.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/531/io/1102c.3.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/531/io/1102d.1.cpin b/codeforces/531/io/1102d.1.cpin
new file mode 100644
index 0000000..ade2efb
--- /dev/null
+++ b/codeforces/531/io/1102d.1.cpin
@@ -0,0 +1,2 @@
+3
+121
diff --git a/codeforces/531/io/1102d.1.cpout b/codeforces/531/io/1102d.1.cpout
new file mode 100644
index 0000000..589193e
--- /dev/null
+++ b/codeforces/531/io/1102d.1.cpout
@@ -0,0 +1 @@
+021
diff --git a/codeforces/531/io/1102d.2.cpin b/codeforces/531/io/1102d.2.cpin
new file mode 100644
index 0000000..59c132b
--- /dev/null
+++ b/codeforces/531/io/1102d.2.cpin
@@ -0,0 +1,2 @@
+6
+000000
diff --git a/codeforces/531/io/1102d.2.cpout b/codeforces/531/io/1102d.2.cpout
new file mode 100644
index 0000000..c65fabe
--- /dev/null
+++ b/codeforces/531/io/1102d.2.cpout
@@ -0,0 +1 @@
+001122
diff --git a/codeforces/531/io/1102d.3.cpin b/codeforces/531/io/1102d.3.cpin
new file mode 100644
index 0000000..814d90b
--- /dev/null
+++ b/codeforces/531/io/1102d.3.cpin
@@ -0,0 +1,2 @@
+6
+211200
diff --git a/codeforces/531/io/1102d.3.cpout b/codeforces/531/io/1102d.3.cpout
new file mode 100644
index 0000000..d1a7bc0
--- /dev/null
+++ b/codeforces/531/io/1102d.3.cpout
@@ -0,0 +1 @@
+211200
diff --git a/codeforces/531/io/1102d.4.cpin b/codeforces/531/io/1102d.4.cpin
new file mode 100644
index 0000000..2047919
--- /dev/null
+++ b/codeforces/531/io/1102d.4.cpin
@@ -0,0 +1,2 @@
+6
+120110
diff --git a/codeforces/531/io/1102d.4.cpout b/codeforces/531/io/1102d.4.cpout
new file mode 100644
index 0000000..4fc3207
--- /dev/null
+++ b/codeforces/531/io/1102d.4.cpout
@@ -0,0 +1 @@
+120120
diff --git a/codeforces/531/io/1102e.1.cpin b/codeforces/531/io/1102e.1.cpin
new file mode 100644
index 0000000..642ddb2
--- /dev/null
+++ b/codeforces/531/io/1102e.1.cpin
@@ -0,0 +1,2 @@
+5
+1 2 1 2 3
diff --git a/codeforces/531/io/1102e.1.cpout b/codeforces/531/io/1102e.1.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/531/io/1102e.1.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/531/io/1102e.2.cpin b/codeforces/531/io/1102e.2.cpin
new file mode 100644
index 0000000..3584978
--- /dev/null
+++ b/codeforces/531/io/1102e.2.cpin
@@ -0,0 +1,2 @@
+2
+100 1
diff --git a/codeforces/531/io/1102e.2.cpout b/codeforces/531/io/1102e.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/531/io/1102e.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/531/io/1102e.3.cpin b/codeforces/531/io/1102e.3.cpin
new file mode 100644
index 0000000..dc5b3cf
--- /dev/null
+++ b/codeforces/531/io/1102e.3.cpin
@@ -0,0 +1,2 @@
+4
+1 3 3 7
diff --git a/codeforces/531/io/1102e.3.cpout b/codeforces/531/io/1102e.3.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/531/io/1102e.3.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/531/io/1102f.1.cpin b/codeforces/531/io/1102f.1.cpin
new file mode 100644
index 0000000..77ffabf
--- /dev/null
+++ b/codeforces/531/io/1102f.1.cpin
@@ -0,0 +1,5 @@
+4 2
+9 9
+10 8
+5 3
+4 3
diff --git a/codeforces/531/io/1102f.1.cpout b/codeforces/531/io/1102f.1.cpout
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/codeforces/531/io/1102f.1.cpout
@@ -0,0 +1 @@
+5
diff --git a/codeforces/531/io/1102f.2.cpin b/codeforces/531/io/1102f.2.cpin
new file mode 100644
index 0000000..90622c6
--- /dev/null
+++ b/codeforces/531/io/1102f.2.cpin
@@ -0,0 +1,3 @@
+2 4
+1 2 3 4
+10 3 7 3
diff --git a/codeforces/531/io/1102f.2.cpout b/codeforces/531/io/1102f.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/531/io/1102f.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/531/io/1102f.3.cpin b/codeforces/531/io/1102f.3.cpin
new file mode 100644
index 0000000..35fd5af
--- /dev/null
+++ b/codeforces/531/io/1102f.3.cpin
@@ -0,0 +1,7 @@
+6 1
+3
+6
+2
+5
+1
+4
diff --git a/codeforces/531/io/1102f.3.cpout b/codeforces/531/io/1102f.3.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/531/io/1102f.3.cpout
@@ -0,0 +1 @@
+3
diff --git a/codeforces/535/1108a.cc b/codeforces/535/1108a.cc
new file mode 100644
index 0000000..d011139
--- /dev/null
+++ b/codeforces/535/1108a.cc
@@ -0,0 +1,63 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u32 a, b, _;
+  cin >> a >> _ >> b >> _;
+  println("{} {}", a, b + (a == b));
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/535/io/1108a.1.cpin b/codeforces/535/io/1108a.1.cpin
new file mode 100644
index 0000000..f576129
--- /dev/null
+++ b/codeforces/535/io/1108a.1.cpin
@@ -0,0 +1,6 @@
+5
+1 2 1 2
+2 6 3 4
+2 4 1 3
+1 2 1 3
+1 4 5 8
diff --git a/codeforces/535/io/1108a.1.cpout b/codeforces/535/io/1108a.1.cpout
new file mode 100644
index 0000000..c851c4d
--- /dev/null
+++ b/codeforces/535/io/1108a.1.cpout
@@ -0,0 +1,5 @@
+2 1
+3 4
+3 2
+1 2
+3 7
diff --git a/codeforces/535/io/1108b.1.cpin b/codeforces/535/io/1108b.1.cpin
new file mode 100644
index 0000000..69bf274
--- /dev/null
+++ b/codeforces/535/io/1108b.1.cpin
@@ -0,0 +1,2 @@
+10
+10 2 8 1 2 4 1 20 4 5
diff --git a/codeforces/535/io/1108b.1.cpout b/codeforces/535/io/1108b.1.cpout
new file mode 100644
index 0000000..4486394
--- /dev/null
+++ b/codeforces/535/io/1108b.1.cpout
@@ -0,0 +1 @@
+20 8
diff --git a/codeforces/535/io/1108c.1.cpin b/codeforces/535/io/1108c.1.cpin
new file mode 100644
index 0000000..100c302
--- /dev/null
+++ b/codeforces/535/io/1108c.1.cpin
@@ -0,0 +1,2 @@
+3
+BRB
diff --git a/codeforces/535/io/1108c.1.cpout b/codeforces/535/io/1108c.1.cpout
new file mode 100644
index 0000000..5307cc3
--- /dev/null
+++ b/codeforces/535/io/1108c.1.cpout
@@ -0,0 +1,2 @@
+1
+GRB
diff --git a/codeforces/535/io/1108c.2.cpin b/codeforces/535/io/1108c.2.cpin
new file mode 100644
index 0000000..23ebca7
--- /dev/null
+++ b/codeforces/535/io/1108c.2.cpin
@@ -0,0 +1,2 @@
+7
+RGBGRBB
diff --git a/codeforces/535/io/1108c.2.cpout b/codeforces/535/io/1108c.2.cpout
new file mode 100644
index 0000000..0bc9844
--- /dev/null
+++ b/codeforces/535/io/1108c.2.cpout
@@ -0,0 +1,2 @@
+3
+RGBRGBR
diff --git a/codeforces/535/io/1108d.1.cpin b/codeforces/535/io/1108d.1.cpin
new file mode 100644
index 0000000..9805385
--- /dev/null
+++ b/codeforces/535/io/1108d.1.cpin
@@ -0,0 +1,2 @@
+9
+RBGRRBRGG
diff --git a/codeforces/535/io/1108d.1.cpout b/codeforces/535/io/1108d.1.cpout
new file mode 100644
index 0000000..54a629c
--- /dev/null
+++ b/codeforces/535/io/1108d.1.cpout
@@ -0,0 +1,2 @@
+2
+RBGRGBRGR
diff --git a/codeforces/535/io/1108d.2.cpin b/codeforces/535/io/1108d.2.cpin
new file mode 100644
index 0000000..abff7c0
--- /dev/null
+++ b/codeforces/535/io/1108d.2.cpin
@@ -0,0 +1,2 @@
+8
+BBBGBRRR
diff --git a/codeforces/535/io/1108d.2.cpout b/codeforces/535/io/1108d.2.cpout
new file mode 100644
index 0000000..7868e31
--- /dev/null
+++ b/codeforces/535/io/1108d.2.cpout
@@ -0,0 +1,2 @@
+2
+BRBGBRGR
diff --git a/codeforces/535/io/1108d.3.cpin b/codeforces/535/io/1108d.3.cpin
new file mode 100644
index 0000000..473be95
--- /dev/null
+++ b/codeforces/535/io/1108d.3.cpin
@@ -0,0 +1,2 @@
+13
+BBRRRRGGGGGRR
diff --git a/codeforces/535/io/1108d.3.cpout b/codeforces/535/io/1108d.3.cpout
new file mode 100644
index 0000000..01540c8
--- /dev/null
+++ b/codeforces/535/io/1108d.3.cpout
@@ -0,0 +1,2 @@
+6
+BGRBRBGBGBGRG
diff --git a/codeforces/535/io/1108e1.1.cpin b/codeforces/535/io/1108e1.1.cpin
new file mode 100644
index 0000000..c236962
--- /dev/null
+++ b/codeforces/535/io/1108e1.1.cpin
@@ -0,0 +1,6 @@
+5 4
+2 -2 3 1 2
+1 3
+4 5
+2 5
+1 3
diff --git a/codeforces/535/io/1108e1.1.cpout b/codeforces/535/io/1108e1.1.cpout
new file mode 100644
index 0000000..5b88fff
--- /dev/null
+++ b/codeforces/535/io/1108e1.1.cpout
@@ -0,0 +1,3 @@
+6
+2
+1 4
diff --git a/codeforces/535/io/1108e1.2.cpin b/codeforces/535/io/1108e1.2.cpin
new file mode 100644
index 0000000..e3a9d0f
--- /dev/null
+++ b/codeforces/535/io/1108e1.2.cpin
@@ -0,0 +1,6 @@
+5 4
+2 -2 3 1 4
+3 5
+3 4
+2 4
+2 5
diff --git a/codeforces/535/io/1108e1.2.cpout b/codeforces/535/io/1108e1.2.cpout
new file mode 100644
index 0000000..5432199
--- /dev/null
+++ b/codeforces/535/io/1108e1.2.cpout
@@ -0,0 +1,3 @@
+7
+2
+3 2
diff --git a/codeforces/535/io/1108e1.3.cpin b/codeforces/535/io/1108e1.3.cpin
new file mode 100644
index 0000000..8cd5982
--- /dev/null
+++ b/codeforces/535/io/1108e1.3.cpin
@@ -0,0 +1,2 @@
+1 0
+1000000
diff --git a/codeforces/535/io/1108e1.3.cpout b/codeforces/535/io/1108e1.3.cpout
new file mode 100644
index 0000000..aa47d0d
--- /dev/null
+++ b/codeforces/535/io/1108e1.3.cpout
@@ -0,0 +1,2 @@
+0
+0
diff --git a/codeforces/535/io/1108e2.1.cpin b/codeforces/535/io/1108e2.1.cpin
new file mode 100644
index 0000000..c236962
--- /dev/null
+++ b/codeforces/535/io/1108e2.1.cpin
@@ -0,0 +1,6 @@
+5 4
+2 -2 3 1 2
+1 3
+4 5
+2 5
+1 3
diff --git a/codeforces/535/io/1108e2.1.cpout b/codeforces/535/io/1108e2.1.cpout
new file mode 100644
index 0000000..e1bbc6f
--- /dev/null
+++ b/codeforces/535/io/1108e2.1.cpout
@@ -0,0 +1,3 @@
+6
+2
+4 1
diff --git a/codeforces/535/io/1108e2.2.cpin b/codeforces/535/io/1108e2.2.cpin
new file mode 100644
index 0000000..e3a9d0f
--- /dev/null
+++ b/codeforces/535/io/1108e2.2.cpin
@@ -0,0 +1,6 @@
+5 4
+2 -2 3 1 4
+3 5
+3 4
+2 4
+2 5
diff --git a/codeforces/535/io/1108e2.2.cpout b/codeforces/535/io/1108e2.2.cpout
new file mode 100644
index 0000000..5432199
--- /dev/null
+++ b/codeforces/535/io/1108e2.2.cpout
@@ -0,0 +1,3 @@
+7
+2
+3 2
diff --git a/codeforces/535/io/1108e2.3.cpin b/codeforces/535/io/1108e2.3.cpin
new file mode 100644
index 0000000..8cd5982
--- /dev/null
+++ b/codeforces/535/io/1108e2.3.cpin
@@ -0,0 +1,2 @@
+1 0
+1000000
diff --git a/codeforces/535/io/1108e2.3.cpout b/codeforces/535/io/1108e2.3.cpout
new file mode 100644
index 0000000..aa47d0d
--- /dev/null
+++ b/codeforces/535/io/1108e2.3.cpout
@@ -0,0 +1,2 @@
+0
+0
diff --git a/codeforces/535/io/1108f.1.cpin b/codeforces/535/io/1108f.1.cpin
new file mode 100644
index 0000000..41d35af
--- /dev/null
+++ b/codeforces/535/io/1108f.1.cpin
@@ -0,0 +1,11 @@
+8 10
+1 2 1
+2 3 2
+2 4 5
+1 4 2
+6 3 3
+6 1 3
+3 5 2
+3 7 1
+4 8 1
+6 2 4
diff --git a/codeforces/535/io/1108f.1.cpout b/codeforces/535/io/1108f.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/535/io/1108f.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/535/io/1108f.2.cpin b/codeforces/535/io/1108f.2.cpin
new file mode 100644
index 0000000..7d4fdc9
--- /dev/null
+++ b/codeforces/535/io/1108f.2.cpin
@@ -0,0 +1,4 @@
+4 3
+2 1 3
+4 3 4
+2 4 1
diff --git a/codeforces/535/io/1108f.2.cpout b/codeforces/535/io/1108f.2.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/535/io/1108f.2.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/535/io/1108f.3.cpin b/codeforces/535/io/1108f.3.cpin
new file mode 100644
index 0000000..c5714ca
--- /dev/null
+++ b/codeforces/535/io/1108f.3.cpin
@@ -0,0 +1,4 @@
+3 3
+1 2 1
+2 3 2
+1 3 3
diff --git a/codeforces/535/io/1108f.3.cpout b/codeforces/535/io/1108f.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/535/io/1108f.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/535/io/1108f.4.cpin b/codeforces/535/io/1108f.4.cpin
new file mode 100644
index 0000000..2340fca
--- /dev/null
+++ b/codeforces/535/io/1108f.4.cpin
@@ -0,0 +1,4 @@
+3 3
+1 2 1
+2 3 3
+1 3 3
diff --git a/codeforces/535/io/1108f.4.cpout b/codeforces/535/io/1108f.4.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/535/io/1108f.4.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/535/io/1108f.5.cpin b/codeforces/535/io/1108f.5.cpin
new file mode 100644
index 0000000..80c0cc7
--- /dev/null
+++ b/codeforces/535/io/1108f.5.cpin
@@ -0,0 +1 @@
+1 0
diff --git a/codeforces/535/io/1108f.5.cpout b/codeforces/535/io/1108f.5.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/535/io/1108f.5.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/535/io/1108f.6.cpin b/codeforces/535/io/1108f.6.cpin
new file mode 100644
index 0000000..a1a69d2
--- /dev/null
+++ b/codeforces/535/io/1108f.6.cpin
@@ -0,0 +1,7 @@
+5 6
+1 2 2
+2 3 1
+4 5 3
+2 4 2
+1 4 2
+1 5 3
diff --git a/codeforces/535/io/1108f.6.cpout b/codeforces/535/io/1108f.6.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/535/io/1108f.6.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/1118a.cc b/codeforces/540/1118a.cc
new file mode 100644
index 0000000..2fcc755
--- /dev/null
+++ b/codeforces/540/1118a.cc
@@ -0,0 +1,72 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u64 n, a, b;
+  cin >> n >> a >> b;
+
+  u64 ans;
+
+  if (2 * a > b) {
+    ans = n / 2 * b + a * (n & 1);
+  } else {
+    ans = n * a;
+  }
+
+  println("{}", ans);
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/540/io/1118a.1.cpin b/codeforces/540/io/1118a.1.cpin
new file mode 100644
index 0000000..995e05c
--- /dev/null
+++ b/codeforces/540/io/1118a.1.cpin
@@ -0,0 +1,5 @@
+4
+10 1 3
+7 3 2
+1 1000 1
+1000000000000 42 88
diff --git a/codeforces/540/io/1118a.1.cpout b/codeforces/540/io/1118a.1.cpout
new file mode 100644
index 0000000..8211c9e
--- /dev/null
+++ b/codeforces/540/io/1118a.1.cpout
@@ -0,0 +1,4 @@
+10
+9
+1000
+42000000000000
diff --git a/codeforces/540/io/1118b.1.cpin b/codeforces/540/io/1118b.1.cpin
new file mode 100644
index 0000000..71a71be
--- /dev/null
+++ b/codeforces/540/io/1118b.1.cpin
@@ -0,0 +1,2 @@
+7
+5 5 4 5 5 5 6
diff --git a/codeforces/540/io/1118b.1.cpout b/codeforces/540/io/1118b.1.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118b.1.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118b.2.cpin b/codeforces/540/io/1118b.2.cpin
new file mode 100644
index 0000000..0e8f05d
--- /dev/null
+++ b/codeforces/540/io/1118b.2.cpin
@@ -0,0 +1,2 @@
+8
+4 8 8 7 8 4 4 5
diff --git a/codeforces/540/io/1118b.2.cpout b/codeforces/540/io/1118b.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118b.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118b.3.cpin b/codeforces/540/io/1118b.3.cpin
new file mode 100644
index 0000000..4c99520
--- /dev/null
+++ b/codeforces/540/io/1118b.3.cpin
@@ -0,0 +1,2 @@
+9
+2 3 4 2 2 3 2 2 4
diff --git a/codeforces/540/io/1118b.3.cpout b/codeforces/540/io/1118b.3.cpout
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/codeforces/540/io/1118b.3.cpout
@@ -0,0 +1 @@
+3
diff --git a/codeforces/540/io/1118c.1.cpin b/codeforces/540/io/1118c.1.cpin
new file mode 100644
index 0000000..ea30085
--- /dev/null
+++ b/codeforces/540/io/1118c.1.cpin
@@ -0,0 +1,2 @@
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+1 8 8 1 2 2 2 2 2 2 2 2 1 8 8 1
diff --git a/codeforces/540/io/1118c.1.cpout b/codeforces/540/io/1118c.1.cpout
new file mode 100644
index 0000000..1712560
--- /dev/null
+++ b/codeforces/540/io/1118c.1.cpout
@@ -0,0 +1,5 @@
+YES
+1 2 2 1
+8 2 2 8
+8 2 2 8
+1 2 2 1
diff --git a/codeforces/540/io/1118c.2.cpin b/codeforces/540/io/1118c.2.cpin
new file mode 100644
index 0000000..02bb731
--- /dev/null
+++ b/codeforces/540/io/1118c.2.cpin
@@ -0,0 +1,2 @@
+3
+1 1 1 1 1 3 3 3 3
diff --git a/codeforces/540/io/1118c.2.cpout b/codeforces/540/io/1118c.2.cpout
new file mode 100644
index 0000000..a0fe15c
--- /dev/null
+++ b/codeforces/540/io/1118c.2.cpout
@@ -0,0 +1,4 @@
+YES
+1 3 1
+3 1 3
+1 3 1
diff --git a/codeforces/540/io/1118c.3.cpin b/codeforces/540/io/1118c.3.cpin
new file mode 100644
index 0000000..28daec8
--- /dev/null
+++ b/codeforces/540/io/1118c.3.cpin
@@ -0,0 +1,2 @@
+4
+1 2 1 9 8 4 3 8 8 3 4 8 9 2 1 1
diff --git a/codeforces/540/io/1118c.3.cpout b/codeforces/540/io/1118c.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/540/io/1118c.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/540/io/1118c.4.cpin b/codeforces/540/io/1118c.4.cpin
new file mode 100644
index 0000000..b258dc3
--- /dev/null
+++ b/codeforces/540/io/1118c.4.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/540/io/1118c.4.cpout b/codeforces/540/io/1118c.4.cpout
new file mode 100644
index 0000000..75e4737
--- /dev/null
+++ b/codeforces/540/io/1118c.4.cpout
@@ -0,0 +1,2 @@
+YES
+10
diff --git a/codeforces/540/io/1118d1.1.cpin b/codeforces/540/io/1118d1.1.cpin
new file mode 100644
index 0000000..b98057e
--- /dev/null
+++ b/codeforces/540/io/1118d1.1.cpin
@@ -0,0 +1,2 @@
+5 8
+2 3 1 1 2
diff --git a/codeforces/540/io/1118d1.1.cpout b/codeforces/540/io/1118d1.1.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/540/io/1118d1.1.cpout
@@ -0,0 +1 @@
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diff --git a/codeforces/540/io/1118d1.2.cpin b/codeforces/540/io/1118d1.2.cpin
new file mode 100644
index 0000000..4984d50
--- /dev/null
+++ b/codeforces/540/io/1118d1.2.cpin
@@ -0,0 +1,2 @@
+7 10
+1 3 4 2 1 4 2
diff --git a/codeforces/540/io/1118d1.2.cpout b/codeforces/540/io/1118d1.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118d1.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118d1.3.cpin b/codeforces/540/io/1118d1.3.cpin
new file mode 100644
index 0000000..6dd338f
--- /dev/null
+++ b/codeforces/540/io/1118d1.3.cpin
@@ -0,0 +1,2 @@
+5 15
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diff --git a/codeforces/540/io/1118d1.3.cpout b/codeforces/540/io/1118d1.3.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/540/io/1118d1.3.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/540/io/1118d1.4.cpin b/codeforces/540/io/1118d1.4.cpin
new file mode 100644
index 0000000..b4e2760
--- /dev/null
+++ b/codeforces/540/io/1118d1.4.cpin
@@ -0,0 +1,2 @@
+5 16
+5 5 5 5 5
diff --git a/codeforces/540/io/1118d1.4.cpout b/codeforces/540/io/1118d1.4.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118d1.4.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118d1.5.cpin b/codeforces/540/io/1118d1.5.cpin
new file mode 100644
index 0000000..52c843d
--- /dev/null
+++ b/codeforces/540/io/1118d1.5.cpin
@@ -0,0 +1,2 @@
+5 26
+5 5 5 5 5
diff --git a/codeforces/540/io/1118d1.5.cpout b/codeforces/540/io/1118d1.5.cpout
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/codeforces/540/io/1118d1.5.cpout
@@ -0,0 +1 @@
+-1
diff --git a/codeforces/540/io/1118d2.1.cpin b/codeforces/540/io/1118d2.1.cpin
new file mode 100644
index 0000000..b98057e
--- /dev/null
+++ b/codeforces/540/io/1118d2.1.cpin
@@ -0,0 +1,2 @@
+5 8
+2 3 1 1 2
diff --git a/codeforces/540/io/1118d2.1.cpout b/codeforces/540/io/1118d2.1.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/540/io/1118d2.1.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/540/io/1118d2.2.cpin b/codeforces/540/io/1118d2.2.cpin
new file mode 100644
index 0000000..4984d50
--- /dev/null
+++ b/codeforces/540/io/1118d2.2.cpin
@@ -0,0 +1,2 @@
+7 10
+1 3 4 2 1 4 2
diff --git a/codeforces/540/io/1118d2.2.cpout b/codeforces/540/io/1118d2.2.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118d2.2.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118d2.3.cpin b/codeforces/540/io/1118d2.3.cpin
new file mode 100644
index 0000000..6dd338f
--- /dev/null
+++ b/codeforces/540/io/1118d2.3.cpin
@@ -0,0 +1,2 @@
+5 15
+5 5 5 5 5
diff --git a/codeforces/540/io/1118d2.3.cpout b/codeforces/540/io/1118d2.3.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/540/io/1118d2.3.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/540/io/1118d2.4.cpin b/codeforces/540/io/1118d2.4.cpin
new file mode 100644
index 0000000..b4e2760
--- /dev/null
+++ b/codeforces/540/io/1118d2.4.cpin
@@ -0,0 +1,2 @@
+5 16
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diff --git a/codeforces/540/io/1118d2.4.cpout b/codeforces/540/io/1118d2.4.cpout
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/codeforces/540/io/1118d2.4.cpout
@@ -0,0 +1 @@
+2
diff --git a/codeforces/540/io/1118d2.5.cpin b/codeforces/540/io/1118d2.5.cpin
new file mode 100644
index 0000000..52c843d
--- /dev/null
+++ b/codeforces/540/io/1118d2.5.cpin
@@ -0,0 +1,2 @@
+5 26
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diff --git a/codeforces/540/io/1118d2.5.cpout b/codeforces/540/io/1118d2.5.cpout
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/codeforces/540/io/1118d2.5.cpout
@@ -0,0 +1 @@
+-1
diff --git a/codeforces/540/io/1118e.1.cpin b/codeforces/540/io/1118e.1.cpin
new file mode 100644
index 0000000..109c32b
--- /dev/null
+++ b/codeforces/540/io/1118e.1.cpin
@@ -0,0 +1 @@
+4 3
diff --git a/codeforces/540/io/1118e.1.cpout b/codeforces/540/io/1118e.1.cpout
new file mode 100644
index 0000000..8d4f987
--- /dev/null
+++ b/codeforces/540/io/1118e.1.cpout
@@ -0,0 +1,5 @@
+YES
+3 1
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diff --git a/codeforces/540/io/1118e.2.cpin b/codeforces/540/io/1118e.2.cpin
new file mode 100644
index 0000000..e6a2051
--- /dev/null
+++ b/codeforces/540/io/1118e.2.cpin
@@ -0,0 +1 @@
+10 4
diff --git a/codeforces/540/io/1118e.2.cpout b/codeforces/540/io/1118e.2.cpout
new file mode 100644
index 0000000..de91e9f
--- /dev/null
+++ b/codeforces/540/io/1118e.2.cpout
@@ -0,0 +1,11 @@
+YES
+2 1
+1 3
+4 2
+3 4
+4 3
+3 2
+2 4
+4 1
+1 4
+3 1
diff --git a/codeforces/540/io/1118e.3.cpin b/codeforces/540/io/1118e.3.cpin
new file mode 100644
index 0000000..3de4f6d
--- /dev/null
+++ b/codeforces/540/io/1118e.3.cpin
@@ -0,0 +1 @@
+13 4
diff --git a/codeforces/540/io/1118e.3.cpout b/codeforces/540/io/1118e.3.cpout
new file mode 100644
index 0000000..5e35d1b
--- /dev/null
+++ b/codeforces/540/io/1118e.3.cpout
@@ -0,0 +1 @@
+NO
diff --git a/codeforces/540/io/1118f1.1.cpin b/codeforces/540/io/1118f1.1.cpin
new file mode 100644
index 0000000..70d0d4b
--- /dev/null
+++ b/codeforces/540/io/1118f1.1.cpin
@@ -0,0 +1,6 @@
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diff --git a/codeforces/540/io/1118f1.1.cpout b/codeforces/540/io/1118f1.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/540/io/1118f1.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/540/io/1118f1.2.cpin b/codeforces/540/io/1118f1.2.cpin
new file mode 100644
index 0000000..3a08ad9
--- /dev/null
+++ b/codeforces/540/io/1118f1.2.cpin
@@ -0,0 +1,6 @@
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+1 0 0 0 2
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+4 5
diff --git a/codeforces/540/io/1118f1.2.cpout b/codeforces/540/io/1118f1.2.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/540/io/1118f1.2.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/540/io/1118f1.3.cpin b/codeforces/540/io/1118f1.3.cpin
new file mode 100644
index 0000000..38f5cd6
--- /dev/null
+++ b/codeforces/540/io/1118f1.3.cpin
@@ -0,0 +1,4 @@
+3
+1 1 2
+2 3
+1 3
diff --git a/codeforces/540/io/1118f1.3.cpout b/codeforces/540/io/1118f1.3.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/540/io/1118f1.3.cpout
@@ -0,0 +1 @@
+0
diff --git a/codeforces/540/io/1118f2.1.cpin b/codeforces/540/io/1118f2.1.cpin
new file mode 100644
index 0000000..aaa0781
--- /dev/null
+++ b/codeforces/540/io/1118f2.1.cpin
@@ -0,0 +1,6 @@
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diff --git a/codeforces/540/io/1118f2.1.cpout b/codeforces/540/io/1118f2.1.cpout
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/codeforces/540/io/1118f2.1.cpout
@@ -0,0 +1 @@
+1
diff --git a/codeforces/540/io/1118f2.2.cpin b/codeforces/540/io/1118f2.2.cpin
new file mode 100644
index 0000000..cb0d394
--- /dev/null
+++ b/codeforces/540/io/1118f2.2.cpin
@@ -0,0 +1,8 @@
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diff --git a/codeforces/540/io/1118f2.2.cpout b/codeforces/540/io/1118f2.2.cpout
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/540/io/1118f2.2.cpout
@@ -0,0 +1 @@
+4
diff --git a/codeforces/611/.clang-format b/codeforces/611/.clang-format
new file mode 100644
index 0000000..cbec8b9
--- /dev/null
+++ b/codeforces/611/.clang-format
@@ -0,0 +1,4 @@
+BasedOnStyle: Google
+IndentWidth: 2
+ColumnLimit: 100
+PointerAlignment: Left
diff --git a/codeforces/611/1283a.cc b/codeforces/611/1283a.cc
new file mode 100644
index 0000000..a441258
--- /dev/null
+++ b/codeforces/611/1283a.cc
@@ -0,0 +1,65 @@
+#include <bits/stdc++.h>  // {{{
+
+#include <version>
+#ifdef __cpp_lib_ranges_enumerate
+#include <ranges>
+namespace rv = std::views;
+namespace rs = std::ranges;
+#endif
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+using i16 = int16_t;
+using u16 = uint16_t;
+using i32 = int32_t;
+using u32 = uint32_t;
+using i64 = int64_t;
+using u64 = uint64_t;
+using f64 = double;
+using f128 = long double;
+
+#if __cplusplus >= 202002L
+template <typename T>
+constexpr T MIN = std::numeric_limits<T>::min();
+
+template <typename T>
+constexpr T MAX = std::numeric_limits<T>::max();
+#endif
+
+#ifdef LOCAL
+#define db(...) std::print(__VA_ARGS__)
+#define dbln(...) std::println(__VA_ARGS__)
+#else
+#define db(...)
+#define dbln(...)
+#endif
+//  }}}
+
+void solve() {
+  u32 a, b;
+  cin >> a >> b;
+  u32 ans = 60 - b;
+  ans += (23 - a) * 60;
+  println("{}", ans);
+}
+
+int main() {  // {{{
+  std::cin.exceptions(std::cin.failbit);
+#ifdef LOCAL
+  std::cerr.rdbuf(std::cout.rdbuf());
+  std::cout.setf(std::ios::unitbuf);
+  std::cerr.setf(std::ios::unitbuf);
+#else
+  std::cin.tie(nullptr)->sync_with_stdio(false);
+#endif
+  u32 tc = 1;
+  std::cin >> tc;
+  for (u32 t = 0; t < tc; ++t) {
+    solve();
+  }
+  return 0;
+}
+// }}}
diff --git a/codeforces/611/io/1283a.1.cpin b/codeforces/611/io/1283a.1.cpin
new file mode 100644
index 0000000..c9324d7
--- /dev/null
+++ b/codeforces/611/io/1283a.1.cpin
@@ -0,0 +1,6 @@
+5
+23 55
+23 0
+0 1
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diff --git a/codeforces/611/io/1283a.1.cpout b/codeforces/611/io/1283a.1.cpout
new file mode 100644
index 0000000..173457a
--- /dev/null
+++ b/codeforces/611/io/1283a.1.cpout
@@ -0,0 +1,5 @@
+5
+60
+1439
+1180
+1
diff --git a/codeforces/611/io/1283b.1.cpin b/codeforces/611/io/1283b.1.cpin
new file mode 100644
index 0000000..8719d56
--- /dev/null
+++ b/codeforces/611/io/1283b.1.cpin
@@ -0,0 +1,6 @@
+5
+5 2
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+6 2
+100000 50010
diff --git a/codeforces/611/io/1283b.1.cpout b/codeforces/611/io/1283b.1.cpout
new file mode 100644
index 0000000..b6c6791
--- /dev/null
+++ b/codeforces/611/io/1283b.1.cpout
@@ -0,0 +1,5 @@
+5
+18
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diff --git a/codeforces/611/io/1283c.1.cpin b/codeforces/611/io/1283c.1.cpin
new file mode 100644
index 0000000..5210127
--- /dev/null
+++ b/codeforces/611/io/1283c.1.cpin
@@ -0,0 +1,2 @@
+5
+5 0 0 2 4
diff --git a/codeforces/611/io/1283c.1.cpout b/codeforces/611/io/1283c.1.cpout
new file mode 100644
index 0000000..3e754c1
--- /dev/null
+++ b/codeforces/611/io/1283c.1.cpout
@@ -0,0 +1 @@
+5 3 1 2 4
diff --git a/codeforces/611/io/1283c.2.cpin b/codeforces/611/io/1283c.2.cpin
new file mode 100644
index 0000000..9bb2b68
--- /dev/null
+++ b/codeforces/611/io/1283c.2.cpin
@@ -0,0 +1,2 @@
+7
+7 0 0 1 4 0 6
diff --git a/codeforces/611/io/1283c.2.cpout b/codeforces/611/io/1283c.2.cpout
new file mode 100644
index 0000000..969674c
--- /dev/null
+++ b/codeforces/611/io/1283c.2.cpout
@@ -0,0 +1 @@
+7 3 2 1 4 5 6
diff --git a/codeforces/611/io/1283c.3.cpin b/codeforces/611/io/1283c.3.cpin
new file mode 100644
index 0000000..482e025
--- /dev/null
+++ b/codeforces/611/io/1283c.3.cpin
@@ -0,0 +1,2 @@
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diff --git a/codeforces/611/io/1283c.3.cpout b/codeforces/611/io/1283c.3.cpout
new file mode 100644
index 0000000..183f13d
--- /dev/null
+++ b/codeforces/611/io/1283c.3.cpout
@@ -0,0 +1 @@
+7 4 2 3 6 5 1
diff --git a/codeforces/611/io/1283c.4.cpin b/codeforces/611/io/1283c.4.cpin
new file mode 100644
index 0000000..d6b9ecb
--- /dev/null
+++ b/codeforces/611/io/1283c.4.cpin
@@ -0,0 +1,2 @@
+5
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diff --git a/codeforces/611/io/1283c.4.cpout b/codeforces/611/io/1283c.4.cpout
new file mode 100644
index 0000000..02697fc
--- /dev/null
+++ b/codeforces/611/io/1283c.4.cpout
@@ -0,0 +1 @@
+2 1 4 5 3
diff --git a/codeforces/611/io/1283d.1.cpin b/codeforces/611/io/1283d.1.cpin
new file mode 100644
index 0000000..1194cee
--- /dev/null
+++ b/codeforces/611/io/1283d.1.cpin
@@ -0,0 +1,2 @@
+2 6
+1 5
diff --git a/codeforces/611/io/1283d.1.cpout b/codeforces/611/io/1283d.1.cpout
new file mode 100644
index 0000000..f5d48e1
--- /dev/null
+++ b/codeforces/611/io/1283d.1.cpout
@@ -0,0 +1,2 @@
+8
+-1 2 6 4 0 3
diff --git a/codeforces/611/io/1283d.2.cpin b/codeforces/611/io/1283d.2.cpin
new file mode 100644
index 0000000..610cdff
--- /dev/null
+++ b/codeforces/611/io/1283d.2.cpin
@@ -0,0 +1,2 @@
+3 5
+0 3 1
diff --git a/codeforces/611/io/1283d.2.cpout b/codeforces/611/io/1283d.2.cpout
new file mode 100644
index 0000000..edce488
--- /dev/null
+++ b/codeforces/611/io/1283d.2.cpout
@@ -0,0 +1,2 @@
+7
+5 -2 4 -1 2
diff --git a/codeforces/611/io/1283e.1.cpin b/codeforces/611/io/1283e.1.cpin
new file mode 100644
index 0000000..597b8b5
--- /dev/null
+++ b/codeforces/611/io/1283e.1.cpin
@@ -0,0 +1,2 @@
+4
+1 2 4 4
diff --git a/codeforces/611/io/1283e.1.cpout b/codeforces/611/io/1283e.1.cpout
new file mode 100644
index 0000000..0efd67f
--- /dev/null
+++ b/codeforces/611/io/1283e.1.cpout
@@ -0,0 +1 @@
+2 4
diff --git a/codeforces/611/io/1283e.2.cpin b/codeforces/611/io/1283e.2.cpin
new file mode 100644
index 0000000..277eabc
--- /dev/null
+++ b/codeforces/611/io/1283e.2.cpin
@@ -0,0 +1,2 @@
+9
+1 1 8 8 8 4 4 4 4
diff --git a/codeforces/611/io/1283e.2.cpout b/codeforces/611/io/1283e.2.cpout
new file mode 100644
index 0000000..b2dc2f5
--- /dev/null
+++ b/codeforces/611/io/1283e.2.cpout
@@ -0,0 +1 @@
+3 8
diff --git a/codeforces/611/io/1283e.3.cpin b/codeforces/611/io/1283e.3.cpin
new file mode 100644
index 0000000..10cb971
--- /dev/null
+++ b/codeforces/611/io/1283e.3.cpin
@@ -0,0 +1,2 @@
+7
+4 3 7 1 4 3 3
diff --git a/codeforces/611/io/1283e.3.cpout b/codeforces/611/io/1283e.3.cpout
new file mode 100644
index 0000000..677154a
--- /dev/null
+++ b/codeforces/611/io/1283e.3.cpout
@@ -0,0 +1 @@
+3 6
diff --git a/codeforces/611/io/1283f.1.cpin b/codeforces/611/io/1283f.1.cpin
new file mode 100644
index 0000000..db04c0b
--- /dev/null
+++ b/codeforces/611/io/1283f.1.cpin
@@ -0,0 +1,2 @@
+6
+3 6 3 1 5
diff --git a/codeforces/611/io/1283f.1.cpout b/codeforces/611/io/1283f.1.cpout
new file mode 100644
index 0000000..5e49d84
--- /dev/null
+++ b/codeforces/611/io/1283f.1.cpout
@@ -0,0 +1,6 @@
+3
+6 3
+6 5
+1 3
+1 4
+5 2
diff --git a/codeforces/920/f b/codeforces/920/f
deleted file mode 100755
index 1c4d8bf..0000000
Binary files a/codeforces/920/f and /dev/null differ
diff --git a/codeforces/998/file.cc b/codeforces/998/file.cc
deleted file mode 100644
index 8e749bd..0000000
--- a/codeforces/998/file.cc
+++ /dev/null
@@ -1,283 +0,0 @@
-#include <bits/stdc++.h>
-
-// https://codeforces.com/blog/entry/96344
-
-#pragma GCC optimize("O2,unroll-loops")
-#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
-
-using namespace std;
-
-template <typename... Args>
-void dbg(std::string const &str, Args &&...args) {
-  std::cout << std::vformat(str, std::make_format_args(args...));
-}
-
-template <typename T>
-void dbg(T const &t) {
-  std::cout << t;
-}
-
-template <std::ranges::range T>
-void dbgln(T const &t) {
-  if constexpr (std::is_convertible_v<T, char const *>) {
-    std::cout << t << '\n';
-  } else {
-    for (auto const &e : t) {
-      std::cout << e << ' ';
-    }
-    std::cout << '\n';
-  }
-}
-
-void dbgln() {
-  std::cout << '\n';
-}
-
-template <typename... Args>
-void dbgln(std::string const &str, Args &&...args) {
-  dbg(str, std::forward<Args>(args)...);
-  cout << '\n';
-}
-
-template <typename T>
-void dbgln(T const &t) {
-  dbg(t);
-  cout << '\n';
-}
-
-template <typename T>
-constexpr T MIN = std::numeric_limits<T>::min();
-
-template <typename T>
-constexpr T MAX = std::numeric_limits<T>::max();
-
-template <typename T>
-static T sc(auto &&x) {
-  return static_cast<T>(x);
-}
-
-#define ff first
-#define ss second
-#define eb emplace_back
-#define ll long long
-#define ld long double
-#define vec vector
-#define endl '\n'
-
-#define all(x) (x).begin(), (x).end()
-#define rall(x) (r).rbegin(), (x).rend()
-#define sz(x) static_cast<int>((x).size())
-#define FOR(a, b, c) for (int a = (b); (a) < (c); ++(a))
-#define ROF(a, b, c) for (int a = (b); (a) > (c); --(a))
-
-#include <ext/pb_ds/assoc_container.hpp>
-#include <ext/pb_ds/tree_policy.hpp>
-
-using namespace __gnu_pbds;
-
-// https://mirror.codeforces.com/blog/entry/124683
-
-namespace hashing {
-using i64 = std::int64_t;
-using u64 = std::uint64_t;
-static const u64 FIXED_RANDOM =
-    std::chrono::steady_clock::now().time_since_epoch().count();
-
-#if USE_AES
-std::mt19937 rd(FIXED_RANDOM);
-const __m128i KEY1{(i64)rd(), (i64)rd()};
-const __m128i KEY2{(i64)rd(), (i64)rd()};
-#endif
-
-template <class T, class D = void>
-struct custom_hash {};
-
-template <class T>
-inline void hash_combine(u64 &seed, T const &v) {
-  custom_hash<T> hasher;
-  seed ^= hasher(v) + 0x9e3779b97f4a7c15 + (seed << 12) + (seed >> 4);
-};
-
-template <class T>
-struct custom_hash<T,
-                   typename std::enable_if<std::is_integral<T>::value>::type> {
-  u64 operator()(T _x) const {
-    u64 x = _x;
-#if USE_AES
-    __m128i m{i64(u64(x) * 0xbf58476d1ce4e5b9u64), (i64)FIXED_RANDOM};
-    __m128i y = _mm_aesenc_si128(m, KEY1);
-    __m128i z = _mm_aesenc_si128(y, KEY2);
-    return z[0];
-#else
-    x += 0x9e3779b97f4a7c15 + FIXED_RANDOM;
-    x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
-    x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
-    return x ^ (x >> 31);
-#endif
-  }
-};
-
-template <class T>
-struct custom_hash<T, std::void_t<decltype(std::begin(std::declval<T>()))>> {
-  u64 operator()(T const &a) const {
-    u64 value = FIXED_RANDOM;
-    for (auto &x : a)
-      hash_combine(value, x);
-    return value;
-  }
-};
-
-template <class... T>
-struct custom_hash<std::tuple<T...>> {
-  u64 operator()(const std::tuple<T...> &a) const {
-    u64 value = FIXED_RANDOM;
-    std::apply(
-        [&value](T const &...args) {
-          (hash_combine(value, args), ...);
-        },
-        a);
-    return value;
-  }
-};
-
-template <class T, class U>
-struct custom_hash<std::pair<T, U>> {
-  u64 operator()(std::pair<T, U> const &a) const {
-    u64 value = FIXED_RANDOM;
-    hash_combine(value, a.first);
-    hash_combine(value, a.second);
-    return value;
-  }
-};
-};  // namespace hashing
-
-#ifdef PB_DS_ASSOC_CNTNR_HPP
-template <class Key, class Value>
-using hashmap = gp_hash_table<
-    Key, Value, hashing::custom_hash<Key>, std::equal_to<Key>,
-    direct_mask_range_hashing<>, linear_probe_fn<>,
-    hash_standard_resize_policy<hash_exponential_size_policy<>,
-                                hash_load_check_resize_trigger<>, true>>;
-template <class Key>
-using hashset = gp_hash_table<
-    Key, null_type, hashing::custom_hash<Key>, std::equal_to<Key>,
-    direct_mask_range_hashing<>, linear_probe_fn<>,
-    hash_standard_resize_policy<hash_exponential_size_policy<>,
-                                hash_load_check_resize_trigger<>, true>>;
-
-#endif
-#ifdef PB_DS_TREE_POLICY_HPP
-template <typename T>
-using multiset = tree<T, null_type, std::less_equal<T>, rb_tree_tag,
-                      tree_order_statistics_node_update>;
-template <class Key, class Value = null_type>
-using rbtree = tree<Key, Value, std::less<Key>, rb_tree_tag,
-                    tree_order_statistics_node_update>;
-#endif
-
-struct union_find {
- public:
-  union_find(size_t n) : par(n + 1), rank(n + 1, 0) {
-    for (size_t u = 0; u < n + 1; ++u)
-      par[u] = u;
-  };
-
-  void join(int u, int v) {
-    u = find(u), v = find(v);
-
-    if (u == v)
-      return;
-
-    if (rank[u] < rank[v])
-      std::swap(u, v);
-
-    if (rank[u] == rank[v])
-      ++rank[u];
-
-    par[v] = u;
-  }
-
-  int find(int u) {
-    if (u != par[u])
-      par[u] = find(par[u]);
-    return par[u];
-  }
-
-  size_t capacity;
-  std::vector<int> par;
-  std::vector<int> rank;
-};
-
-vec<unordered_set<int>> F, G;
-
-// TODO: union find reset method
-
-void solve() {
-  int n, m1, m2;
-  cin >> n >> m1 >> m2;
-
-  F.assign(n + 1, unordered_set<int>());
-  G.assign(n + 1, unordered_set<int>());
-
-  union_find Fuf(n + 1), Guf(n + 1);
-
-  FOR(i, 0, m1) {
-    int u, v;
-    cin >> u >> v;
-    F[u].insert(v);
-    F[v].insert(u);
-  }
-
-  FOR(i, 0, m2) {
-    int u, v;
-    cin >> u >> v;
-    G[u].insert(v);
-    G[v].insert(u);
-    Guf.join(u, v);
-  }
-
-  int ans = 0;
-
-  FOR(u, 1, n + 1) {
-    auto it = F[u].begin();
-    while (it != F[u].end()) {
-      int v = *it;
-      if (Guf.find(u) != Guf.find(v)) {
-        ++ans;
-        F[u].erase(it++);
-        F[v].erase(u);
-      } else {
-        ++it;
-      }
-    }
-  }
-
-  FOR(u, 1, n + 1) {
-    for (auto v : F[u])
-      Fuf.join(u, v);
-  }
-
-  FOR(u, 1, n + 1) {
-    for (auto v : G[u]) {
-      if (Fuf.find(u) != Fuf.find(v)) {
-        ++ans;
-        Fuf.join(u, v);
-      }
-    }
-  }
-
-  dbgln(ans);
-}
-
-int main() {
-  cin.tie(nullptr)->sync_with_stdio(false);
-
-  int t = 1;
-  cin >> t;
-
-  while (t--) {
-    solve();
-  }
-
-  return 0;
-}