Submission #428044

#	Time	Username	Problem	Language	Result	Execution time	Memory
428044		A_D	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	33 ms	3112 KiB

shoes

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