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Cod sursa(job #307841)
#include <cstdio>
int e[20][250001];
int n,m;
void citire()
{
int a,i;
scanf("%d %d",&n,&m);
for(int j=1;j<=n;j++)
{
scanf("%d",&a);
e[0][j]=a;
i=0;
do
{
i++;
e[i][j]=e[i-1][e[i-1][j]];
}
while(e[i][j]);
}
}
void rezolvare()
{
int p,q,i;
for(int j=1;j<=m;j++)
{
scanf("%d %d",&q,&p);
i=0;
while(p)
{
if(p&1)
q=e[i][q];
p=p/2;
i++;
}
printf("%d\n",q);
}
}
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
citire();
rezolvare();
return 0;
}