제출 #691279

#제출 시각아이디문제언어결과실행 시간메모리
691279zeroesandonesArranging Shoes (IOI19_shoes)C++17
15 / 100
19 ms3120 KiB
#include <bits/stdc++.h> #include "shoes.h" using namespace std; using ll = long long; using vi = vector<long long>; #define pb emplace_back long long count_swaps(vector<int> s) { int n = (s.size()) / 2; ll ans = 0; for(int i = 1; i <= n; ++i) { ans += n - i; } return ans; }
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