| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 837831 | DarkMatter | Arranging Shoes (IOI19_shoes) | C++14 | 0 ms | 212 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long count_swaps(std::vector<int> v) {
long long n = v.size();
long long ans = n * (n - 1) / 2;
return ans;
}
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