# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1219437 | moondarkside | Arranging Shoes (IOI19_shoes) | C++20 | 13 ms | 1864 KiB |
#include <iostream>
#include<bits/stdc++.h>
int count_swaps(std::vector<int>S){
return (S.size()/2)*(S.size()/2-1)/2;
}
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