제출 #291308

#제출 시각아이디문제언어결과실행 시간메모리
291308juggernautArranging Shoes (IOI19_shoes)C++14
0 / 100
34 ms3196 KiB
#include<bits/stdc++.h> #include"shoes.h" using namespace std; long long count_swaps(vector<int>v){ int n=int(v.size())>>1; return (n*(n-1))>>1ll; }
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