제출 #826538

#제출 시각아이디문제언어결과실행 시간메모리
826538AlesL0Arranging Shoes (IOI19_shoes)C++17
0 / 100
1 ms212 KiB
#include <bits/stdc++.h>
#include "shoes.h"

using namespace std;

typedef long long ll;

long long count_swaps(std::vector<int> s) {
	ll n = s.size();
	return (n*(n-1)/2);
}
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