제출 #1292366

#제출 시각아이디문제언어결과실행 시간메모리
1292366MMihalevArranging Shoes (IOI19_shoes)C++20
45 / 100
24 ms2740 KiB
#include<iostream> #include<vector> #include<queue> #include<set> #include "shoes.h" using namespace std; const int MAX_N=1e5+5; deque<int>pos[2]; long long count_swaps(std::vector<int> s) { for(int i=0;i<s.size();i++) { if(s[i]<0)pos[0].push_back(i); else pos[1].push_back(i); } long long ans=0; for(int i=0;i<s.size();i++) { int wh=i%2; ans+=max(0,pos[wh].front()-i); pos[wh].pop_front(); } return ans; }
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