Pagini recente » Cod sursa (job #2987254) | Cod sursa (job #503933) | Cod sursa (job #2835559) | Cod sursa (job #2066674) | Cod sursa (job #428705)
Cod sursa(job #428705)
#include <cstdio>
int p[18][250000];
int cnt(int x,int y){
int i=0;
while (y){
if (y&1) x=p[i][x];
i++;
y>>=1;
}
return x;
}
int main(){
int n,m;
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%d%d",&n,&m);
for (int i=1;i<=n;i++) scanf("%d",&p[0][i]);
for (int i=1;(1<<i)<=n;i++)
for (int j=1;j<=n;j++)
p[i][j]=p[i-1][p[i-1][j]];
while (m--){
int Q,P;
scanf("%d%d",&Q,&P);
printf("%d\n",cnt(Q,P));
}
return 0;
}