제출 #640842

#제출 시각아이디문제언어결과실행 시간메모리
640842Tenis0206Colors (RMI18_colors)C++11
47 / 100
3051 ms8696 KiB
#include <bits/stdc++.h> using namespace std; int n,m; int a[100005],b[100005]; bool sel[100005]; bool ok[100005]; vector<int> G[100005]; void dfs(int nod, int cul) { sel[nod] = true; if(b[nod]>cul || a[nod]<cul) { return; } if(b[nod]==cul) { ok[nod] = true; } for(auto it : G[nod]) { if(sel[it]) { continue; } dfs(it,cul); } } void solve_test() { cin>>n>>m; for(int i=1;i<=n;i++) { cin>>a[i]; } for(int i=1;i<=n;i++) { cin>>b[i]; } for(int i=1;i<=m;i++) { int x,y; cin>>x>>y; G[x].push_back(y); G[y].push_back(x); } for(int i=1;i<=n;i++) { dfs(i,a[i]); for(int j=1;j<=n;j++) { sel[j] = false; } } bool rez = true; for(int i=1;i<=n;i++) { if(!ok[i]) { rez = false; } G[i].clear(); ok[i] = false; } cout<<rez<<'\n'; } int main() { ios::sync_with_stdio(false); cin.tie(0); int t; cin>>t; for(int test=1; test<=t; test++) { solve_test(); } return 0; }
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