Submission #791982

#	Time	Username	Problem	Language	Result	Execution time	Memory
791982		APROHACK	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	21 ms	3132 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
using namespace std;

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

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