제출 #718802

#제출 시각아이디문제언어결과실행 시간메모리
718802Yell0Arranging Shoes (IOI19_shoes)C++17
15 / 100
25 ms3124 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll count_swaps(vector<int> S) { ll N=S.size()/2,ans=0; for(ll i=1;i<N;++i) ans+=i; return ans; }
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