Submission #760225

#	Time	Username	Problem	Language	Result	Execution time	Memory
760225		raysh07	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	20 ms	1876 KiB

shoes

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

long long count_swaps(std::vector<int> s) {
	long long ans = 0;
	int n = s.size() / 2;
	for (int i = 0; i < n; i++) ans += i;
	return ans;
}

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