Cod sursa(job #607240)
| Utilizator | Data | 11 august 2011 12:35:39 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.43 kb |
#include<stdio.h>
#define N 250001
long n,m,i,x,y,v[N],p[19][N],j,k;
int main()
{freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%ld%ld",&n,&m);
for(k=1;(1<<k)<=n;k++);
p[0][0]=0;
for(i=1;i<=n;i++)
scanf("%ld",&v[i]),p[0][i]=v[i];
for(i=1;i<=k;i++)
for(j=1;j<=n;j++)
p[i][j]=v[p[i-1][j]];
while(m--)
{scanf("%ld%ld",&x,&y);
printf("%ld\n",p[y-1][x]);}
return 0;}
