제출 #1150884

#제출 시각아이디문제언어결과실행 시간메모리
1150884gygArranging Shoes (IOI19_shoes)C++20
15 / 100
12 ms1864 KiB
#include "shoes.h" #include <bits/stdc++.h> using namespace std; #define sig signed #define int long long #define arr array #define vec vector const int N = 2e5 + 5; int n; arr<int, 2 * N> a; // SIZE OF A IS 2 * N int count_swaps(vec<sig> _a) { n = _a.size() / 2; int ans = n * (n - 1) / 2; return ans; }
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