Cod sursa(job #2296309)

Utilizator Mihnea_BranzeuMihnea Branzeu Mihnea_Branzeu Data 4 decembrie 2018 16:49:58
Problema Cerere Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.84 kb
#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream fin("cerere.in");
ofstream fout("cerere.out");
vector <int> a[100002];
int n;
int v[100002],d[100002],cost[100002],tata[100002];
bool viz[100002];
void dfs(int x,int niv)
{
    d[niv]=x;
    viz[x]=true;
    cost[x]= 1+cost[d[niv-v[x]]];
    for(auto y : a[x])
    {
        if(!viz[y])
        {
            dfs(y,niv+1);
        }

    }
}
int main()
{
    int i;
    fin>>n;
    for(i=1;i<=n;i++)
       fin>>v[i];
    for(i=1;i<=n-1;i++)
    {
        int x,y;
        fin>>x>>y;
        a[x].push_back(y);
        a[y].push_back(x);
        tata[y]=x;
    }
    int radacina=1;
    for(int x=1;x<=n;i++)
    {
        if(tata[i]==0)
          radacina =i;
    }

    dfs(radacina,0);
    fout<<cost[1];
    for(i=2;i<=n;i++)
       fout<<" "<<cost[i]-1;
    return 0;
}