제출 #1332045

#제출 시각아이디문제언어결과실행 시간메모리
1332045riafhasan2010Arranging Shoes (IOI19_shoes)C++17
0 / 100
12 ms1960 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll count_swaps(vector<int> s) {
  int n = s.size() / 2 - 1;
  return (n * (n + 1)) / 2;
}
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