제출 #283212

#제출 시각아이디문제언어결과실행 시간메모리
283212IWANTTOGETGOLDINIOIArranging Shoes (IOI19_shoes)C++14
10 / 100
32 ms2048 KiB
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
 
int count_swaps( vector < int > vc ){
	int n = vc.size() / 2;
	int res = 0;
	if(n == 1) {
		if (vc[0] < 0) {
			return 0;
		} 
		return 1;
	}
	for (int i = 1;i < n; i++){
		res += i;
	}
	return res;
}

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