제출 #331054

#제출 시각아이디문제언어결과실행 시간메모리
331054shihan04Arranging Shoes (IOI19_shoes)C++14
15 / 100
32 ms3180 KiB
#include<bits/stdc++.h> using namespace std; #define ll long long ll count_swaps(vector <int> v){ ll n=v.size()/2,ans=(n*(n-1))/2; return ans; }
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