Cod sursa(job #1784998)

Utilizator ggaaggaabbiigoteciuc gabriel ggaaggaabbii Data 20 octombrie 2016 19:35:02
Problema Cerere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.77 kb
#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
#define MAXN 100010
vector <int> G[MAXN];
int v[MAXN],tata[MAXN],n,x,y,viz[MAXN],ordins[MAXN],k;
ifstream f("cerere.in");
ofstream g("cerere.out");
void df(int nod)
{
    viz[++k]=nod;
    if(ordins[nod])
    v[nod]=v[viz[k-ordins[nod]]]+1;
    for(int i=0;i<G[nod].size();i++)
    df(G[nod][i]);
    k--;
}
int main()
{
    int stra;
    f>>n;
    for(int i=1;i<=n;i++)
    f>>ordins[i];
    for(int i=1;i<n;i++)
    {
        f>>x>>y;
        tata[y]=x;
        G[x].push_back(y);
    }
    for(int i=1;i<=n;i++)
    {
        if(tata[i]==0)
        {
            df(i);
            break;
        }
    }
    for(int i=1;i<=n;i++)
    g<<v[i]<<' ';
    return 0;
}