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  1. int db_char_malloc(int x, int y) 
  2. { 
  3.     int i;
  4.  
  5.     i = 0;
  6.     char **db_char = (char **)malloc(y * sizeof(char *)); 
  7.     while (i<y)
  8.     {
  9.       db_char[i] = (char *)malloc(x * sizeof(char)); 
  10.       i++;
  11.     }
  12.    return (db_char);
  13. } 
  14.  
  15. int db_int_malloc(int y) 
  16. { 
  17.   int *db_int = (int *)malloc(y * sizeof(int));   
  18.   return (db_int); 
  19. }
  20.  
  21. int count_elems(char *str)
  22. {
  23.      int count;
  24.     int i;
  25.  
  26.     count = 0;
  27.     i = 0;
  28.     while(str[i] != '\0')
  29.     {
  30.         if (str[i] <= '9' && str[i] >= '0')
  31.         {
  32.             while (str[i] <= '9' && str[i] >= '0')
  33.                 i++;
  34.             count++;
  35.         }
  36.         else if (str[i] == ' ')
  37.             i++;
  38.         else
  39.         {
  40.             count++;
  41.             i++;
  42.         }
  43.     }
  44.     return (count);
  45. }
  46.  
  47. #include <unistd.h>
  48.  
  49.  
  50. char main()
  51. {
  52.     int i;
  53.     int j;
  54.     int count_elem;
  55.     int i_v_str;
  56.     char str[] = "1 + 2 * ((34 - 4 * 3))";
  57.     i = 0;
  58.     j = 0;
  59.     i_v_str = 0;
  60.     count_elem = count_elems(str);
  61.     char **db_char = db_char_malloc(10, count_elem);
  62.     int *db_int = db_int_malloc(count_elem);
  63.     while (str[i_v_str] != '\0')
  64.     {
  65.         i = 0;
  66.         if (str[i_v_str] <= '9' && str[i_v_str] >= '0')
  67.         {            
  68.             while (str[i_v_str] <= '9' && str[i_v_str] >= '0')
  69.             {
  70.                 db_char[j][i] = str[i_v_str];
  71.                 i++;
  72.                 i_v_str++;
  73.             }
  74.             db_char[j][i] = '\0';
  75.             j++;
  76.         }
  77.         else if (str[i_v_str] == ' ')
  78.             i_v_str++;
  79.         else
  80.         {
  81.             db_char[j][i] = str[i_v_str];
  82.             i++;
  83.             db_char[j][i] = '\0';
  84.             i_v_str++;
  85.             j++;
  86.         }
  87.     }
  88.     j = 0;
  89.     while (j < count_elems)
  90.     {
  91.       db_int[j] = atoi(db_char[j]);
  92.  
  93.     }
  94.  
  95.  
  96.  
  97.  
  98.  
  99.  
  100.     return(db_char);
  101. }
Runtime error #stdin #stdout 0s 9424KB
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Standard input is empty
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Standard output is empty
https://ideone.com/CrVPrJ
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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