제출 #1203122

#제출 시각아이디문제언어결과실행 시간메모리
1203122SpyrosAlivArranging Shoes (IOI19_shoes)C++20
15 / 100
13 ms2636 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long int n; vector<int> a; ll count_swaps(vector<int> s) { n = s.size(); a = s; n /= 2; int init = n; ll ans = 0; for (int i = 1; i <= n; i++) ans += (n - i); return ans; }
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