Cod sursa(job #1068017)

Utilizator Aleks10FMI - Petrache Alex Aleks10 Data 27 decembrie 2013 20:05:51
Problema Cerere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.79 kb
#include <iostream>
#include <fstream>
#include <vector>
#define N_MAX 100001
using namespace std;

vector<int> v[N_MAX];
vector<int> stiva;
int c[N_MAX],k[N_MAX],t[N_MAX];
int dfs(int x){
    stiva.push_back(x);
    if(k[x]!=0)
        c[x]=c[stiva[stiva.size()-k[x]-1]]+1;
    for(int i=0;i<v[x].size();i++){
        //cout<<x<<"are"<<v[x][i];
        dfs(v[x][i]);
    }
    stiva.pop_back();
}

int main()
{
    int n,i,a,b;
    ifstream f("cerere.in");
    ofstream g("cerere.out");
    f>>n;
    for(i=1;i<=n;i++){
        f>>k[i];
    }
    for(i=1;i<=n-1;i++){
        f>>a>>b;
        t[b]=a;
        v[a].push_back(b);
    }
    for(i=1;i<=n;i++)
        if(t[i]==0)
            break;
    dfs(i);
    for(i=1;i<=n;i++)
        g<<c[i]<<" ";
    return 0;
}