제출 #1242517

#제출 시각아이디문제언어결과실행 시간메모리
1242517mohamedboukerche55Arranging Shoes (IOI19_shoes)C++20
15 / 100
12 ms1864 KiB
#include<bits/stdc++.h>
#include "shoes.h"

using namespace std;

long long count_swaps(std::vector<int> S)
{
    long long N = S.size() / 2;
    return N * (N-1) / 2;

}


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