Submission #397696

#TimeUsernameProblemLanguageResultExecution timeMemory
397696ly20Arranging Shoes (IOI19_shoes)C++17
0 / 100
1 ms204 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
	int n = s.size();
	long long pr = n / 2;
	return pr * (pr - 1);
}
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