Pagini recente » Cod sursa (job #3168146) | Cod sursa (job #43286) | Cod sursa (job #2925698) | Cod sursa (job #2590502) | Cod sursa (job #1887529)
#include <fstream>
#include <cstdio>
#include <vector>
#define Nmax 100001
using namespace std;
ofstream g("cerere.out");
int n,K[Nmax],str[Nmax],rez[Nmax],R;
bool uz[Nmax],viz[Nmax];
vector<int> V[Nmax],st;
void dfs(int nod)
{
viz[nod] = 1;
st.push_back(nod);
str[nod] = st[st.size()-K[nod]-1];
for (int i=0;i<V[nod].size();i++)
{
if (!viz[V[nod][i]])
dfs(V[nod][i]);
}
st.pop_back();
}
int check(int nod)
{
if (rez[nod]==0 && K[nod]!=0)
rez[nod] = check(str[nod]);
return rez[nod]+1;
}
int main()
{
freopen("cerere.in","r",stdin);
scanf("%d",&n);
for (int i=1;i<=n;i++)
scanf("%d",&K[i]);
for (int i=1;i<n;i++)
{
int x,y;
scanf("%d%d",&x,&y);
uz[y] = 1;
V[y].push_back(x);
V[x].push_back(y);
}
for (int i=1;i<=n;i++)
{
if (uz[i]==0)
{
R = i;
break;
}
}
dfs(R);
for (int i=1;i<=n;i++)
{
if (rez[i]==0 && K[i]!=0)
rez[i] = check(i)-1;
g<<rez[i]<<' ';
}
return 0;
}