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Cod sursa(job #108306)
#include <fstream.h>
long t[2500];
long str(long p,long q)
{ if (p==0) return q;
if (q==0) return 0;
return str(p-1,t[q]);
}
int main()
{ long n,m,i,p,q;
ifstream f("stramosi.in");
ofstream g("stramosi.out");
f>>n>>m;
for (i=1;i<=n;i++) f>>t[i];
for (i=1;i<=m;i++)
{ f>>p>>q;
p=str(p,q);
g<<p<<'\n';
}
f.close();
g.close();
return 0;
}