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Cod sursa(job #428688)
#include <iostream>
#include <cstring>
#include <cstdio>
#include <algorithm>
using namespace std;
int n,m,par[250010][19],Q,P;
int main(){
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d%d",&n,&m);
for (int i=1;i<=n;i++){
scanf("%d",&par[i][0]);
}
for (int i=1;(1<<i)<=n;i++){
for (int j=1;j<=n;j++){
par[j][i]=par[par[j][i-1]][i-1];
}
}
while (m--){
scanf("%d%d",&Q,&P);
int j=0;
while (P){
if (P&1){
Q=par[Q][j];
}
j++;
P>>=1;
}
printf("%d\n",Q);
}
//system("pause");
return 0;
}