제출 #428087

#제출 시각아이디문제언어결과실행 시간메모리
428087HazemArranging Shoes (IOI19_shoes)C++14
15 / 100
33 ms2624 KiB
#include "shoes.h" #include <bits/stdc++.h> #define LL long long using namespace std; long long count_swaps(std::vector<int> s) { LL n = s.size()/2; return n*(n-1)/2; }
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