Pagini recente » Cod sursa (job #517193) | Cod sursa (job #2251062) | Cod sursa (job #1673610) | Cod sursa (job #1281494) | Cod sursa (job #2485515)
#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>
using namespace std;
ifstream fin("cerere.in");
ofstream fout("cerere.out");
int n, t[100005], k[100005], res[100005];
vector <int> fii[100005];
vector <int> stramosi;
void dfs(int x) {
if(!k[x])
res[x] = 0;
else {
int str = stramosi[stramosi.size()-k[x]];
res[x] = res[str]+1;
}
stramosi.push_back(x);
for(int i = 0; i < fii[x].size(); i++)
dfs(fii[x][i]);
stramosi.pop_back();
}
void citire() {
memset(res, -1, sizeof res);
fin >> n;
for(int i = 1; i <= n; i++) {
fin >> k[i];
if(!k[i])
res[i] = 0;
}
for(int i = 1; i < n; i++) {
int x, y;
fin >> x >> y;
t[y] = x;
fii[x].push_back(y);
}
}
void solve() {
int root = -1;
for(int i = 1; i <= n; i++)
if(t[i] == 0)
root = i;
dfs(root);
}
void afis() {
for(int i = 1; i <= n; i++)
fout << res[i] << ' ';
}
int main() {
citire();
solve();
afis();
}