Cod sursa(job #1452124)

Utilizator DrumeaVDrumea Vasile DrumeaV Data 19 iunie 2015 22:00:46
Problema Stramosi Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <stdio.h>

const int Dim = 260000;

int N,M,DP[20][Dim];

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",&DP[0][i]);

      for (int i = 1;(1 << i) <= N;i++)
        for (int j = 1;j <= N;j++)
             DP[i][j] = DP[i-1][DP[i-1][j]];

      while(M--)
      {
          int P,Q,i = 0;

          scanf("%d%d",&Q,&P);
          while (P)
          {
              if (P % 2)
                Q = DP[i][Q];
              i++;
              P /= 2;
          }
          printf("%d\n",Q);
      }
      return 0;
}