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a guest Jan 18th, 2019 51 Never
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  1. #include <stdio.h>
  2. #include <sys/types.h>
  3. #include <stdlib.h>
  4. #include <unistd.h>
  5. #include <errno.h>
  6.  
  7. #define SIZE 16
  8.  
  9. int main(int argc, char *argv[])
  10. {
  11.     int data[SIZE] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
  12.        
  13.     if (argc != 2)
  14.     {
  15.         printf("Not the correct number of arguments\n");
  16.     }
  17.     else
  18.     {
  19.         printf("Answer: %d\n", search(data, 2, 0, 15));
  20.     }
  21.     return 0;
  22. }
  23.  
  24. int search(int a[], int find, int begin, int end)
  25. {
  26.     if(begin == end)
  27.     {
  28.         printf("%d, %d, %d\n", find, begin ,end);
  29.         if(*(a + end) != find)
  30.         {
  31.             exit(0);
  32.             return end;
  33.         }
  34.     }
  35.     else
  36.     {
  37.         pid_t child = fork();
  38.        
  39.         if(child == 0)
  40.         {
  41.             return search(a, find, begin, (begin + end)/2);
  42.         }
  43.         else
  44.         {
  45.             return search(a, find, (begin + end)/2 + 1, end);
  46.         }
  47.     }
  48. }
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