Cod sursa(job #502118)

Utilizator rdumitruDumitru Remus Claudiu rdumitru Data 17 noiembrie 2010 19:47:42
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <iostream>
#include <stdio.h>
#include <string.h>

int n, m, i, j, q, p, temp;
int f[31][250001];

int main(){
  freopen("stramosi.in", "r", stdin);
  freopen("stramosi.out", "w", stdout);

  scanf("%d%d", &n, &m);

  for(i = 1; i <= n; i++ ){
	scanf("%d", &f[0][i]);
  }

  for(i = 1; i <= 30; i++){
	for(j = 1; j <= n; j++){
	  f[i][j] = f[i-1][f[i-1][j]];
	}
  }

  for(j = 0; j < m; j++){
	scanf("%d%d", &q, &p);
	temp = 0;
	while(p){
		if(p%2){
		  q=f[temp][q];
		}
		p/=2;
		temp++;
	  }
	  printf("%d\n", q);
  }

  fclose(stdin);
  fclose(stdout);

  return 0;
}