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  1.    #include <stdio.h>
  2.  
  3. int digitCount (int);
  4. int reverseNumber (int);
  5.  
  6. int main(void)
  7. {
  8.     //Chapter 6 Problem 6
  9.     int x, numberValue,itemp=0;
  10.  
  11.     printf("Enter the number you'd like converted to words\n");
  12.     scanf("%d", &x);
  13.  
  14.     do {
  15.         itemp = x % 10;
  16.     //printf("itemp is %d\n", itemp);
  17.  
  18.         switch (itemp) {
  19.             case 0:
  20.                 printf("zero\t");
  21.                 break;
  22.  
  23.             case 1:
  24.                 printf("one\t");
  25.                 break;
  26.  
  27.             case 2:
  28.                 printf("two\t");
  29.                 break;
  30.  
  31.             case 3:
  32.                 printf("three\t");
  33.                 break;
  34.  
  35.             case 4:
  36.                 printf("four\t");
  37.                 break;
  38.             case 5:
  39.                 printf("five\t");
  40.                 break;
  41.  
  42.             case 6:
  43.                 printf("six\t");
  44.                 break;
  45.  
  46.             case 7:
  47.                 printf("seven\t");
  48.                 break;
  49.  
  50.             case 8:
  51.                 printf("eight\t");
  52.                 break;
  53.  
  54.             case 9:
  55.                 printf("nine\t");
  56.                 break;
  57.  
  58.             default:
  59.                 break;
  60.         }
  61.  
  62.         x = x / 10;
  63.  
  64.     } while (x > 0);
  65.  
  66.     return 0;
  67. }
  68. int reverseNumber (int y)
  69. {
  70.     int cnt, Rev=0;
  71.     cnt = digitCount(y);  //returns number of digits
  72.  
  73.     printf("Digit count %d\n", cnt);
  74.     while (cnt != 0) {
  75.         Rev = Rev * 10 + y % 10;
  76.         y = y / 10;
  77.         cnt--;
  78.     }
  79.  
  80.     return Rev;
  81. }
  82. int digitCount (int u)
  83. {
  84.     int cnt = 0;
  85.  
  86.     do {
  87.         u = u / 10;
  88.         cnt++;
  89.  
  90.     } while (u != 0);
  91.  
  92.     return cnt;
  93. }
  94.  
Success #stdin #stdout 0s 2296KB
comments (?)
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stdout
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Enter the number you'd like converted to words
four	three	two
https://ideone.com/5GS8al
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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