Submission #645375

#	Time	Username	Problem	Language	Result	Execution time	Memory
645375		rc_catunta	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	17 ms	1864 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

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

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