| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1236339 | mariza | Arranging Shoes (IOI19_shoes) | C++20 | 13 ms | 1864 KiB |
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
long long count_swaps(vector<int> s){
ll n=s.size()/2;
return (n*(n-1))/2;
}
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