| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 946269 | attky | Arranging Shoes (IOI19_shoes) | C++17 | 1 ms | 348 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>
using namespace std;
int64_t count_swaps(vector<int> S) {
long long int n = S.size();
return (n*(n-1))/2;
}
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