Submission #1355577

#	Time	Username	Problem	Language	Result	Execution time	Memory
1355577		Charizard2021	Arranging Shoes (IOI19_shoes)	C++20	25 / 100	9 ms	1960 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s){
	long long n = (int)s.size()/2;
	if(n == 1){
		if(s[0] < 0){
			return 0;
		}
		else{
			return 1;
		}
	}
	else{
		return (n * (n - 1))/2;
	}
}

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