제출 #432094

#제출 시각아이디문제언어결과실행 시간메모리
432094LouayFarahArranging Shoes (IOI19_shoes)C++14
45 / 100
34 ms3244 KiB
#include "bits/stdc++.h" #include "shoes.h" using namespace std; #define pb push_back #define mp make_pair #define ll long long int ll count_swaps(vector<int> s) { int n = (int)s.size()/2; ll res = 0; int cnt = 0; for(int i = 0; i<2*n; i++) { if(s[i]>0) { if(cnt>=0) cnt++; else { cnt++; res+=-cnt; } } else { if(cnt>=0) { res+=cnt; cnt--; } else cnt--; } } return res; }
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