Submission #615328

#	Time	Username	Problem	Language	Result	Execution time	Memory
615328		Mohammed_Atalah	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	31 ms	3156 KiB

shoes

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

using namespace std;
long long count_swaps(std::vector<int> s) {
	long long n = s.size();
	n /= 2;
	n--;
	long long result = ((n + 1) * n) / 2;

	return result;
}

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