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Cod sursa(job #496750)
#include<cstdio>
int nx,n,m,q,p,a[21][250011];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d%d",&n,&m);
int i,j;
for(i=1;i<=n;i++)
scanf("%d",&a[0][i]);
for(i=1;i<=20;i++)
{
nx=0;
for(j=1;j<=n;j++)
{
a[i][j]=a[0][a[i-1][j]];
if(a[i][j]>0)
nx=1;
}
if(!nx)
break;
}
for(i=1;i<=m;i++)
{
scanf("%d%d",&q,&p);
p--;
/*j=0;
while(p!=0)
{
if(!(p%2))
q=a[i][q];
p/=2;
j++;
}
printf("%d\n",q);*/
printf("%d\n",a[p][q]);
}
return 0;
}