제출 #428245

#제출 시각아이디문제언어결과실행 시간메모리
428245A_DSplit the Attractions (IOI19_split)C++14
11 / 100
117 ms10632 KiB
#include "split.h" #include <bits/stdc++.h> using namespace std; const int N=1e5+100; vector<int> g[N]; bool vis[N]; vector<int> ret; int a,b,c; void dfs(int u) { if(b==0)return; b--; vis[u]=1; for(auto x:g[u]){ if(b==0)return; if(vis[x])continue; dfs(x); } } vector<int> find_split(int n,int A,int B,int C,vector<int> p,vector<int> q){ a=A; b=B; c=C; for(int i=0;i<p.size();i++){ g[p[i]].push_back(q[i]); g[q[i]].push_back(p[i]); } dfs(0); for(int i=0;i<n;i++){ if(vis[i])ret.push_back(2); else if(a){ a--; ret.push_back(1); } else ret.push_back(3); } return ret; }

컴파일 시 표준 에러 (stderr) 메시지

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i=0;i<p.size();i++){
      |                 ~^~~~~~~~~
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