fork download
copy 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ll long long
  5.  
  6. ll height[1000000];
  7.  
  8. void dfs(int node,vector<int>t[],vector<int>v,vector<int>parent){
  9.     v[node]=1;
  10.     for(auto it:t[node]){
  11.         if(v[it]==0){
  12.             parent[it]=node;
  13.             dfs(it,t,v,parent);
  14.         }
  15.     }
  16.     ll h=0;
  17.     for(auto child:t[node]){
  18.         if(child!=parent[node])h=max(h,height[child]);
  19.     }
  20.     height[node]=h+1;
  21. }
  22.  
  23. int main(){
  24.     ios_base::sync_with_stdio(false);
  25.     cin.tie(NULL);
  26.     int n;
  27.     cin>>n;
  28.     vector<int>t[n+1],value(n+1);
  29.     for(int i=1;i<n;i++){
  30.         int x,y;
  31.         cin>>x>>y;
  32.         t[x].push_back(y);
  33.         t[y].push_back(x);
  34.     }
  35.     vector<int>v(n+1),parent(n+1);
  36.     dfs(1,t,v,parent);
  37.     for(int i=1;i<=n;i++)cout<<height[i]<<" ";
  38.     return 0;
  39. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
5
1 2
2 3 
3 4 
1 5
stdout
copy 
4 3 2 1 1
https://ideone.com/nN9Wvg
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!