제출 #314549

#제출 시각아이디문제언어결과실행 시간메모리
314549baibhav26062008Arranging Shoes (IOI19_shoes)C++14
25 / 100
39 ms2176 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int n = s.size()/2;
	if (n == 1) {
		if (s[0] < s[1]) {
			return 0;
		} else {
			return 1;
		}
	} 
	long long  ans=0;
	for (int i = 0; i < n; i++) {
		ans+=i;
	}
	return ans;
}
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