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Cod sursa(job #797180)
#include<cstdio>
int a[19][250001];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
int n,m,i,j,x,p,q;
scanf("%d%d",&n,&m);
for(i=1;i<=n;++i)
scanf("%d",&a[0][i]);
for(i=1;i<=18;++i)
for(j=1;j<=n;++j)
a[i][j]=a[i-1][a[i-1][j]];
for(i=1;i<=m;++i)
{
scanf("%d%d",&q,&p);
x=q;j=0;
while(p!=0)
{
if(p%2!=0)
x=a[j][x];
++j;
p/=2;
}
printf("%d\n",x);
}
return 0;
}