Submission #965355

#	Time	Username	Problem	Language	Result	Execution time	Memory
965355		Syrius	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	15 ms	2000 KiB

shoes

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

// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)

const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;

ll count_swaps(vector < int > v) {

	ll n = v.size() / 2;
	return (n - 1) * n / 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