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Cod sursa(job #384862)
#include<cstdio>
#include<fstream>
using namespace std;
int t[250005], n, m,r,nu=1;
void intrebare(int q, int p)
{
int i;
for(i=1;i<=p && nu==1;i++)
{
if(t[q]==0)
nu=0;
else
q=t[q];
}
if(nu==1)
r=q;
else
r=0;
}
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d%d", &n, &m);
int i,q,p;
for(i=1;i<=n;i++)
scanf("%d", &t[i]);
for(i=1;i<=m;i++)
{
scanf("%d%d", &q, &p);
intrebare(q,p);
nu=1;
printf("%d\n",r);
}
return 0;
}