Submission #153742

#	Time	Username	Problem	Language	Result	Execution time	Memory
153742		asifthegreat	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	33 ms	3192 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
// #include <queue>
#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	if(s.size() == 2){
		if(s[0] < s[1])return 0;
		return 1;
	}
	long long n = (int)s.size()/2ll;
	return n*(n-1ll)/2ll;
}

// int main() {
// 	int n;
// 	scanf("%d", &n);
// 	vector<int> S(2 * n);
// 	for(int i = 0; i < 2 * n; i++)
// 		scanf("%d", &S[i]);
// 	long long result = count_swaps(S);
// 	printf("%lld\n", result);
// 	return 0;
// }

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15