제출 #670533

#제출 시각아이디문제언어결과실행 시간메모리
670533birthdaycakeArranging Shoes (IOI19_shoes)C++17
0 / 100
0 ms224 KiB
#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;

int vs[1001];
long long count_swaps(vector<int>s) {
    long long n = s.size();
    n--;
    
    return (n * (n + 1) / 2);
}
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