제출 #704703

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
704703	2023-03-02 16:57:08	amin	Regions (IOI09_regions)	C++14	100 / 100	5221 ms	55480 KiB

regions

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#include <bits/stdc++.h>
using namespace std;
 #define ll long long
 vector<int>v[200001],p[200001];
 vector<pair<int,int> >ma[30000];
 vector<pair<int,int> >ra[30000];
 int re[200001];
 vector<int>df;
 void dfs(int in)
 {
     int l=df.size();
     df.push_back(in);
p[re[in]].push_back(df.size()-1);
     for(auto i:v[in])
     {
         dfs(i);
     }
     int r=df.size();
     df.push_back(in);
     ma[re[in]].push_back({l,1});
     ma[re[in]].push_back({r+1,-1});
 }
 
 
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

regions.cpp: In function 'int main()':
regions.cpp:103:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |         if(pl==0||pl==ra[x].size())
      |                   ~~^~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 85 / 85