Cod sursa(job #1253286)
| Utilizator | Data | 1 noiembrie 2014 00:20:12 | |
|---|---|---|---|
| Problema | Stramosi | Scor | 80 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.63 kb |
#include <iostream>
#include <cstdio>
using namespace std;
#define maxN 250005
#define maxLog 25
#define maxLLog 19
long n,m,i,j,q,p,tmp;
long dp[maxN][maxLog];
int main()
{
freopen("stramosi.in","r",stdin);
freopen("stramosi.out","w",stdout);
scanf("%ld %ld\n",&n,&m);
for(i=1;i<=n;i++) scanf("%ld",&dp[i][0]);
for(j=1;j<=18;j++)
for(i=1;i<=n;i++)
dp[i][j] = dp[dp[i][j-1]][j-1];
for(;m;m--){
scanf("%ld %ld",&q,&p);
for(i=0;p;p/=2,i++)
if(p%2==1)
q = dp[q][i];
printf("%ld\n",q);
}
return 0;
}
