제출 #722859

#제출 시각아이디문제언어결과실행 시간메모리
722859GrandTiger1729Arranging Shoes (IOI19_shoes)C++17
0 / 100
1 ms212 KiB
#include "shoes.h" #include <bits/stdc++.h> using namespace std; long long count_swaps(vector<int> s){ auto a = s; int N = a.size(), n = N / 2; return 1ll * (n - 1) * n; }
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