# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
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282586 | 2020-08-24T15:17:21 Z | Pichon5 | Arranging Shoes (IOI19_shoes) | C++17 | 0 ms | 0 KB |
#include "shoes.h" #include <bits/stdc++.h> #define lcm(a,b) (a/__gcd(a,b))*b #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define ll long long int #define vi vector<int> #define vll vector<ll> #define pb push_back #define F first #define S second #define mp make_pair using namespace std; long long count_swaps(std::vector<int> s) { ll res=0; int n=s.size()/2; if(n==2){ if(s[i]<0){ return 0; } return 1; } for(int i=1;i<n;i++){ res+=i; } return res; }