Cod sursa(job #1653595)

Utilizator bogdan2510Ionut Bogdan bogdan2510 Data 16 martie 2016 11:42:52
Problema Cerere Scor 75
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.76 kb
#include <iostream>
#include <fstream>
#include <vector>
#define nmax 100001
using namespace std;
ifstream f("cerere.in");
ofstream g("cerere.out");
int gI[nmax],val[nmax],ord[nmax],n,x,contor,h,ord1[nmax];
vector <int> V[nmax];
void dfs(int nod){
    ord[h]=nod;
    h++;
    if(!val[nod]){
        ord1[nod]=0;
    }else{
        ord1[nod]=ord1[ord[h-val[nod]-1]]+1;
    }
    for(int i=0;i<V[nod].size();i++){
        dfs(V[nod][i]);
    }
    h--;
}

int main()
{
    f>>n;
    for(int i=1;i<=n;i++){
        f>>val[i];
    }
    int a,b;
    for(int i=0;i<n-1;i++){
        f>>a>>b;
        gI[b]=1;
        V[a].push_back(b);
    }
    for(int i=1;i<=n;i++) if(!gI[i]) dfs(i);
    for(int i=1;i<=n;i++) g<<ord1[i]<<" ";
    return 0;
}