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Cod sursa(job #304975)
#include<fstream.h>
#include<math.h>
int main()
{int (*b)[20000]=new int[20][20000],*a=new int[20000],k;
int i,j,m,n,p,q;
ofstream g("stramosi.out");
ifstream f("stramosi.in");
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=n;i++)
b[1][i]=a[i];
k=2;
while((1<<k)<=n){
for(i=1;i<=n;++i) b[k][i]=a[b[k-1][i]];
++k;
}
for(i=1;i<=m;i++)
{f>>q>>p;
g<<b[p][q]<<'\n'; }
f.close();
g.close();
return 0;
}