Submission #1273911

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273911		almaz	Arranging Shoes (IOI19_shoes)	C++20	0 / 100	12 ms	1964 KiB

shoes

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

// #define int long long
// #define endl '\n'
#define ff first
#define ss second
#define pb push_back
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ar array

const int MOD = 1e9 + 7,INF = 1e9, N = 2e5 + 5;

long long count_swaps(std::vector<int> s) {
	int n = s.size() / 2;
	if(n % 2 == 0 || n == 1){
		return n - 1;
	}
	else{
		return n;
	}
}

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