Cod sursa(job #614609)

Utilizator Magnuscont cu nume gresit sau fals Magnus Data 6 octombrie 2011 21:57:02
Problema Cerere Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.79 kb
#include <cstdio>
#include <vector>

using namespace std;

int cnt,d[100001],v[100001],q[100001];
vector <int> g[100001];

void dfs(int x)
{
    vector <int>::iterator i;
    ++cnt;
    q[cnt]=x;
    if (v[x])
        d[x]=d[q[cnt-v[x]]]+1;
    else
        d[x]=0;
    for (i=g[x].begin();i!=g[x].end();++i)
        dfs(*i);
    q[cnt]=0;
    --cnt;
}

int main()
{
    int n,i,x,y,root;
    freopen("cerere.in","r",stdin);
    freopen("cerere.out","w",stdout);
    scanf("%d\n",&n);
    root=n*(n+1)/2;
    for (i=1;i<=n;++i)
        scanf("%d ",&v[i]);
    for (i=1;i<n;++i)
    {
        scanf("%d %d\n",&x,&y);
        g[x].push_back(y);
        root-=y;
    }
    dfs(root);
    for (i=1;i<=n;++i)
        printf("%d ",d[i]);
    printf("\n");
    return 0;
}