Cod sursa(job #1047388)

Utilizator tavi.belu1994FMI Belu Andrei Octavian tavi.belu1994 Data 4 decembrie 2013 12:39:55
Problema Cerere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.02 kb
#include <iostream>
#include <cstdio>
#include <vector>
#define NMAX 100100
FILE *f,*g;
using namespace std;

int T[NMAX],C[NMAX],ST[NMAX],NR[NMAX],prim,ultim,radacina;
vector < int > V[NMAX];

void depth_first(int nod)
{
    ultim ++;
    ST[ultim] = nod;
    NR[nod] = NR[ST[ultim-C[nod]]]+1;
    int vec = V[nod].size();
    for(int i=0 ; i<vec ; i++)
    {
        depth_first(V[nod][i]);
    }
    ultim --;
}

int main()
{
    f = fopen("cerere.in","r");
    int i,N,x,y;
    fscanf(f,"%d\n",&N);
    for(i=1 ; i<=N ; i++)
    {
        fscanf(f,"%d ",&C[i]);
    }
    for(i=1 ; i<N ; i++)
    {
        fscanf(f,"%d %d\n",&x,&y);
        V[x].push_back(y);
        T[y] = x;
    }
    fclose(f);
    for(i=1 ; i<=N ; i++)
    {
        if(!T[i])
        {
            radacina = i;
            break;
        }
    }
    prim = 1;
    depth_first(radacina);
    g = fopen("cerere.out","w");
    for(i=1 ; i<=N ; i++)
        fprintf(g,"%d ",NR[i]-1);
    fclose(g);
    return 0;
}