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Cod sursa(job #116884)
#include <fstream.h>
#define NMAX 101
long t[NMAX],v[NMAX],x[NMAX],n;
long det(long k)
{ long s;
if (v[k]!=-1) return v[k];
s=k;
while (x[k]>0)
{ s=t[s];
x[k]--;
}
return v[s]+1;
}
int main()
{ long i,z,y;
ifstream f("cerere.in");
ofstream g("cerere.out");
f>>n;
for (i=1;i<=n;i++) v[i]=-1;
for (i=1;i<=n;i++) f>>x[i];
for (i=1;i<n;i++)
{ f>>y>>z;
t[z]=y;
}
f.close();
for (i=1;i<=n;i++) if (x[i]==0) v[i]=0;
for (i=1;i<=n;i++) v[i]=det(i);
for (i=1;i<=n;i++)
g<<v[i]<<' ';
g.close();
return 0;
}