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Cod sursa(job #938406)
#include<stdio.h>
int v[20][250001];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
int n,m,p,q,i,j;
scanf("%d%d",&n,&m);
for(i=1;i<=n;i++)
scanf("%d",&v[0][i]);
for(i=1;i<=17;i++)
for(j=1;j<=n;j++)
v[i][j]=v[i-1][v[i-1][j]];
/////
while(m)
{
m--;
scanf("%d%d",&q,&p);
i=0;
//for(i=0;p;++i)
while(i<=p)
{
if(p&(1<<i))
{
q=v[i][q];
p-=(1<<i);
}
i++;
}
printf("%d\n",q);
}
return 0;
}