Mai intai trebuie sa te autentifici.
Cod sursa(job #372007)
Utilizator | Data | 8 decembrie 2009 10:46:46 | |
---|---|---|---|
Problema | Cerere | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.63 kb |
#include <fstream>
#include <vector>
using namespace std;
ifstream fi("cerere.in");
ofstream fo("cerere.out");
vector<int> G[100010];
int K[100010],rez[100010],dst[100010],vf=1,N,x,y;
char is[100010];
void dfs(int nod){
dst[++vf]=nod;
if (K[nod]==0) rez[nod]=0; else rez[nod]=rez[dst[vf-K[nod]]]+1;
for (unsigned int i=0;i<G[nod].size();++i) dfs(G[nod][i]);
--vf;
}
int main(){
fi>>N;
for (int i=1;i<=N;++i) fi>>K[i];
for (int i=1;i<N;++i){
fi>>x>>y;
G[x].push_back(y);
++is[y];
}
for (int i=1;i<=N;++i) if (!is[i])dfs(i);
for (int i=1;i<=N;++i) fo<<rez[i]<<" ";
fo<<"\n";fo.close();
return 0;
}