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Cod sursa(job #22621)
#include<iostream.h>
#include<fstream.h>
main()
{
long n,m,q,p,a[300000][5],v[300000],s[300000],r,i,j,k,x,sp,aux,valid;
fstream f("stramosi.in",ios::in);
fstream g("stramosi.out",ios::out);
f>>n;
f>>m;
for(i=1;i<=n;i++)
f>>v[i];
for(i=1;i<=m;i++)
for(j=1;j<=2;j++)
f>>a[i][j];
i=1;j=1;sp=1;r=1;
do{
k=a[i][1];
sp=1;valid=1;
do{
k=v[k];
if(k==0){valid=0;k=0;}
sp++;
}while((sp<=a[i][2])&&(valid!=0));
g<<k<<endl;
i++;
}while(i<=m);
f.close();
g.close();
return 0;
}