diff --git a/codeforces/826/1741a.cc b/codeforces/826/1741a.cc
deleted file mode 100644
index fb1981a..0000000
--- a/codeforces/826/1741a.cc
+++ /dev/null
@@ -1,93 +0,0 @@
-#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() {
-  string a, b;
-  cin >> a >> b;
-
-  u32 i = 0, j = 0;
-
-  while (i < a.size() && j < b.size()) {
-    u32 a_xs = 0, b_xs = 0;
-    while (a[i] == 'X') {
-      ++a_xs;
-      ++i;
-    }
-    while (b[j] == 'X') {
-      ++b_xs;
-      ++j;
-    }
-
-    if (a[i] == b[j]) {
-      if (a_xs != b_xs) {
-        cout << ((a[i] == 'S' && a_xs < b_xs || a[i] == 'L' && a_xs > b_xs)
-                     ? '>'
-                     : '<')
-             << '\n';
-        return;
-      }
-    } else {
-      cout << ((a[i] == 'S' || a[i] == 'M' && b[j] == 'L') ? '<' : '>') << '\n';
-      return;
-    }
-
-    ++i;
-    ++j;
-  }
-
-  cout << "=\n";
-}
-
-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/826/1741b.cc b/codeforces/826/1741b.cc
deleted file mode 100644
index 8ea6c79..0000000
--- a/codeforces/826/1741b.cc
+++ /dev/null
@@ -1,75 +0,0 @@
-#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;
-
-  if (n == 1 || n == 3) {
-    cout << "-1\n";
-    return;
-  }
-
-  u32 x = n, i = 1;
-  for (; i <= n / 2; ++i, --x) {
-    cout << x << ' ';
-  }
-  x = 1;
-  for (; i <= n; ++i, ++x) {
-    cout << x << " \n"
-    [i == n];
-  }
-}
-
-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/826/1741c.cc b/codeforces/826/1741c.cc
deleted file mode 100644
index 0139702..0000000
--- a/codeforces/826/1741c.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-#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;
-  vector<u32> a(n);
-  for (u32 i = 0; i < n; ++i) {
-    cin >> a[i];
-  }
-
-  u32 ans = n;
-  u64 target = 0;
-
-  for (u32 i = 1; i <= n; ++i) {
-    target += a[i - 1];
-    u32 big_block = i;
-    u32 curlen = 0;
-    u64 total = 0;
-    for (u32 j = i + 1; j <= n; ++j) {
-      total += a[j - 1];
-      ++curlen;
-      if (total == target) {
-        big_block = max(big_block, curlen);
-        total = 0;
-        curlen = 0;
-      } else if (total > target) {
-        break;
-      }
-    }
-
-    if (total == 0)
-      ans = min(ans, big_block);
-  }
-
-  cout << ans << '\n';
-}
-
-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/826/1741d.cc b/codeforces/826/1741d.cc
deleted file mode 100644
index 89c832c..0000000
--- a/codeforces/826/1741d.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-#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;
-  vector<u32> a(n);
-  for (auto &e : a)
-    cin >> e;
-
-  auto f = [&](auto &&self, i32 l, i32 r) -> i64 {
-    if (l + 1 == r) {
-      return 0;
-    }
-
-    i32 m = l + (r - l) / 2;
-
-    i64 left = self(self, l, m);
-    i64 right = self(self, m, r);
-
-    if (left == -1 || right == -1) {
-      return -1;
-    }
-
-    bool oknoswap = true;
-    for (i32 i = l; i < r - 1; ++i) {
-      oknoswap = oknoswap && (a[i] < a[i + 1]);
-    }
-
-    if (oknoswap) {
-      return left + right;
-    }
-
-    bool okswap = true;
-    for (i32 i = m, cnt = 0; cnt < r - l - 1; ++cnt) {
-      i32 nxt = i == r - 1 ? l : i + 1;
-      okswap = okswap && (a[i] < a[nxt]);
-      i = nxt;
-    }
-    if (okswap) {
-      for (i32 i = 0; i < m - l; ++i) {
-        swap(a[l + i], a[m + i]);
-      }
-      return left + right + 1;
-    }
-
-    return -1;
-  };
-
-  cout << f(f, 0, n) << '\n';
-}
-
-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;
-}
-// }}}