Submission #1303730

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303730		khba	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	16 ms	1964 KiB

shoes

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


long long count_swaps(vector<int> s) {
	int n = s.size() / 2;
	return 1LL * 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