Submission #520980

#	Time	Username	Problem	Language	Result	Execution time	Memory
520980		ColourAttila	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	18 ms	1852 KiB

shoes

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

using namespace std;

long long count_swaps(std::vector<int> s) {
	if(s.size() == 2) {
        return s[0] < 0 ? 0 : 1;
	}
	
	int n = s.size()/2;
	return (n * (n-1)/2);
}

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