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Pass array to function

Jun 16th, 2014
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C 0.89 KB | None | 0 0
  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4. #include <time.h>
  5. #define SIZ 3
  6.  
  7. void _e(int *, int);
  8. void _ee(int **, int);
  9.  
  10. void _e(int *tab, int size) {
  11.  
  12.     int  j;
  13.     for (j = 0; j < size * size; ++j)
  14.         printf("%d ", (*tab + j));
  15.     printf("\n");
  16. }
  17.  
  18. void _ee(int **tab, int size) {
  19.     int i, j;
  20.     for (i = 0; i < size; ++i)
  21.     for (j = 0; j < size; ++j)
  22.         printf("%d ", tab[i][j]);
  23.     printf("\n");
  24. }
  25.  
  26. int main(int argc, char *argv[])
  27. {
  28.     srand(time(NULL));
  29.     int tab[SIZ][SIZ] = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };  // na stacku
  30.     _e(tab, SIZ);
  31.  
  32.     int i, j, k;
  33.     int **arr = (int **)calloc(SIZ, sizeof(int *)); // na heapie ( Y )
  34.    
  35.     for (i = 0; i < SIZ; ++i) {
  36.         int *tmp = (int *)calloc(SIZ, sizeof(int)); // na heapie ( X )
  37.        
  38.         for (j = 0; j < SIZ; ++j)
  39.             tmp[j] = rand() % 20;
  40.  
  41.         arr[i] = tmp;
  42.     }
  43.     _ee(arr, SIZ);
  44.    
  45.     getchar();
  46.  
  47.     return EXIT_SUCCESS;
  48. }
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