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Cod sursa(job #33631)
#include<stdio.h>
int a[250001],n,m,q,b[250001];
int main()
{freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d %d",&n,&m);
for(q=1;q<=n;q++)
scanf("%d",&a[q]);
for(;m;m--)
{scanf("%d %d",&q,&n);
if(!b[q]) b[q]=a[a[q]];
for(;n/2&&q;n=n-2,q=b[q]);
for(;n&&q;n--,q=a[q]);
printf("%d\n",q);}
fclose(stdout);
return 0;}