Submission #314075

#	Time	Username	Problem	Language	Result	Execution time	Memory
314075		asifthegreat	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	30 ms	3064 KiB

shoes

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


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

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