feat: bunch of div3 as
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a624bf812d
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459 changed files with 1893 additions and 0 deletions
80
codeforces/481/978a.cc
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80
codeforces/481/978a.cc
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#include <bits/stdc++.h> // {{{
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#include <version>
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#ifdef __cpp_lib_ranges_enumerate
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#include <ranges>
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namespace rv = std::views;
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namespace rs = std::ranges;
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#endif
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#pragma GCC optimize("O2,unroll-loops")
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#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
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using namespace std;
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using i16 = int16_t;
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using u16 = uint16_t;
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using i32 = int32_t;
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using u32 = uint32_t;
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using i64 = int64_t;
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using u64 = uint64_t;
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using f64 = double;
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using f128 = long double;
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#if __cplusplus >= 202002L
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template <typename T>
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constexpr T MIN = std::numeric_limits<T>::min();
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template <typename T>
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constexpr T MAX = std::numeric_limits<T>::max();
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#endif
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#ifdef LOCAL
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#define db(...) std::print(__VA_ARGS__)
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#define dbln(...) std::println(__VA_ARGS__)
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#else
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#define db(...)
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#define dbln(...)
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#endif
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// }}}
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bitset<1000 + 1> seen;
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void solve() {
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seen.reset();
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u32 n;
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cin >> n;
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vector<u32> a(n);
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for (auto& e : a) cin >> e;
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u32 write = n;
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for (i32 i = n - 1; i >= 0; --i) {
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if (!seen[a[i]]) {
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a[--write] = a[i];
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seen.set(a[i]);
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}
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}
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println("{}", n - write);
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for (u32 i = write; ++i) {
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print("{} ", a[i]);
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}
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println();
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}
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int main() { // {{{
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std::cin.exceptions(std::cin.failbit);
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#ifdef LOCAL
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std::cerr.rdbuf(std::cout.rdbuf());
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std::cout.setf(std::ios::unitbuf);
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std::cerr.setf(std::ios::unitbuf);
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#else
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std::cin.tie(nullptr)->sync_with_stdio(false);
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#endif
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u32 tc = 1;
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// std::cin >> tc;
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for (u32 t = 0; t < tc; ++t) {
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solve();
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}
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return 0;
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}
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// }}}
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2
codeforces/481/io/978a.1.cpin
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2
codeforces/481/io/978a.1.cpin
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6
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1 5 5 1 6 1
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2
codeforces/481/io/978a.1.cpout
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2
codeforces/481/io/978a.1.cpout
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@ -0,0 +1,2 @@
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3
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5 6 1
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2
codeforces/481/io/978a.2.cpin
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2
codeforces/481/io/978a.2.cpin
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5
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2 4 2 4 4
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2
codeforces/481/io/978a.2.cpout
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2
codeforces/481/io/978a.2.cpout
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@ -0,0 +1,2 @@
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2
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2 4
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2
codeforces/481/io/978a.3.cpin
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2
codeforces/481/io/978a.3.cpin
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@ -0,0 +1,2 @@
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5
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6 6 6 6 6
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2
codeforces/481/io/978a.3.cpout
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2
codeforces/481/io/978a.3.cpout
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1
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6
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2
codeforces/481/io/978b.1.cpin
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2
codeforces/481/io/978b.1.cpin
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@ -0,0 +1,2 @@
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6
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xxxiii
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1
codeforces/481/io/978b.1.cpout
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1
codeforces/481/io/978b.1.cpout
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1
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2
codeforces/481/io/978b.2.cpin
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2
codeforces/481/io/978b.2.cpin
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@ -0,0 +1,2 @@
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5
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xxoxx
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1
codeforces/481/io/978b.2.cpout
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1
codeforces/481/io/978b.2.cpout
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@ -0,0 +1 @@
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0
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2
codeforces/481/io/978b.3.cpin
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2
codeforces/481/io/978b.3.cpin
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@ -0,0 +1,2 @@
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10
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xxxxxxxxxx
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1
codeforces/481/io/978b.3.cpout
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1
codeforces/481/io/978b.3.cpout
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@ -0,0 +1 @@
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8
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3
codeforces/481/io/978c.1.cpin
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3
codeforces/481/io/978c.1.cpin
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@ -0,0 +1,3 @@
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3 6
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10 15 12
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1 9 12 23 26 37
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6
codeforces/481/io/978c.1.cpout
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6
codeforces/481/io/978c.1.cpout
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@ -0,0 +1,6 @@
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1 1
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1 9
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2 2
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2 13
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3 1
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3 12
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3
codeforces/481/io/978c.2.cpin
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3
codeforces/481/io/978c.2.cpin
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@ -0,0 +1,3 @@
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2 3
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5 10000000000
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5 6 9999999999
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3
codeforces/481/io/978c.2.cpout
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3
codeforces/481/io/978c.2.cpout
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@ -0,0 +1,3 @@
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1 5
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2 1
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2 9999999994
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2
codeforces/481/io/978d.1.cpin
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2
codeforces/481/io/978d.1.cpin
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4
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24 21 14 10
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1
codeforces/481/io/978d.1.cpout
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1
codeforces/481/io/978d.1.cpout
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@ -0,0 +1 @@
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3
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2
codeforces/481/io/978d.2.cpin
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2
codeforces/481/io/978d.2.cpin
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@ -0,0 +1,2 @@
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2
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500 500
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1
codeforces/481/io/978d.2.cpout
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1
codeforces/481/io/978d.2.cpout
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@ -0,0 +1 @@
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0
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2
codeforces/481/io/978d.3.cpin
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2
codeforces/481/io/978d.3.cpin
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3
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14 5 1
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1
codeforces/481/io/978d.3.cpout
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1
codeforces/481/io/978d.3.cpout
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@ -0,0 +1 @@
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-1
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2
codeforces/481/io/978d.4.cpin
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2
codeforces/481/io/978d.4.cpin
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@ -0,0 +1,2 @@
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5
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1 3 6 9 12
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1
codeforces/481/io/978d.4.cpout
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1
codeforces/481/io/978d.4.cpout
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@ -0,0 +1 @@
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1
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2
codeforces/481/io/978e.1.cpin
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2
codeforces/481/io/978e.1.cpin
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@ -0,0 +1,2 @@
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3 5
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2 1 -3
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1
codeforces/481/io/978e.1.cpout
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1
codeforces/481/io/978e.1.cpout
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3
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2
codeforces/481/io/978e.2.cpin
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2
codeforces/481/io/978e.2.cpin
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@ -0,0 +1,2 @@
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2 4
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-1 1
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1
codeforces/481/io/978e.2.cpout
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1
codeforces/481/io/978e.2.cpout
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@ -0,0 +1 @@
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4
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2
codeforces/481/io/978e.3.cpin
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2
codeforces/481/io/978e.3.cpin
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@ -0,0 +1,2 @@
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4 10
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2 4 1 2
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1
codeforces/481/io/978e.3.cpout
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1
codeforces/481/io/978e.3.cpout
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@ -0,0 +1 @@
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2
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4
codeforces/481/io/978f.1.cpin
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4
codeforces/481/io/978f.1.cpin
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@ -0,0 +1,4 @@
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4 2
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10 4 10 15
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1 2
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4 3
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1
codeforces/481/io/978f.1.cpout
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1
codeforces/481/io/978f.1.cpout
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@ -0,0 +1 @@
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0 0 1 2
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6
codeforces/481/io/978f.2.cpin
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6
codeforces/481/io/978f.2.cpin
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@ -0,0 +1,6 @@
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10 4
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5 4 1 5 4 3 7 1 2 5
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4 6
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2 1
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10 8
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3 5
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1
codeforces/481/io/978f.2.cpout
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1
codeforces/481/io/978f.2.cpout
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@ -0,0 +1 @@
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5 4 0 5 3 3 9 0 2 5
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3
codeforces/481/io/978g.1.cpin
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3
codeforces/481/io/978g.1.cpin
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@ -0,0 +1,3 @@
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5 2
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1 3 1
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1 5 1
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1
codeforces/481/io/978g.1.cpout
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1
codeforces/481/io/978g.1.cpout
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@ -0,0 +1 @@
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1 2 3 0 3
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3
codeforces/481/io/978g.2.cpin
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3
codeforces/481/io/978g.2.cpin
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@ -0,0 +1,3 @@
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3 2
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1 3 1
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1 2 1
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1
codeforces/481/io/978g.2.cpout
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1
codeforces/481/io/978g.2.cpout
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@ -0,0 +1 @@
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-1
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4
codeforces/481/io/978g.3.cpin
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4
codeforces/481/io/978g.3.cpin
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@ -0,0 +1,4 @@
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10 3
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4 7 2
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1 10 3
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8 9 1
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1
codeforces/481/io/978g.3.cpout
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1
codeforces/481/io/978g.3.cpout
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@ -0,0 +1 @@
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2 2 2 1 1 0 4 3 4 4
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