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  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <stdbool.h>
  4.  
  5. #define NUMBERS_SIZE 10
  6.  
  7. typedef bool (*number_validator)(int num);
  8.  
  9. bool isEven(int num)
  10. {
  11.     return (num & 1) == 0;
  12. }
  13.  
  14. bool isOdd(int num)
  15. {
  16.     return (num & 1) != 0;
  17. }
  18.  
  19. void print(const char *title, int *array, int array_size, number_validator isValid)
  20. {
  21.     printf("%s", title);
  22.     bool first = true;
  23.     for (int i = 0; i < array_size; ++i)
  24.     {
  25.         if (isValid(array[i]))
  26.         {
  27.             if (!first)
  28.             {
  29.                 printf(", ");
  30.             }
  31.             printf("%d", array[i]);
  32.             first = false;
  33.         }
  34.     }
  35.     printf("\n");
  36. }
  37.  
  38. int main()
  39. {
  40.     int numbers[NUMBERS_SIZE] = { 0 };
  41.  
  42.     for (int i = 0; i < NUMBERS_SIZE; i++)
  43.     {
  44.         printf("Enter a number: ");
  45.         scanf("%d", &numbers[i]);
  46.     }
  47.  
  48.     printf("\n");
  49.     print("Even: ", numbers, NUMBERS_SIZE, isEven);
  50.     print(" Odd: ", numbers, NUMBERS_SIZE, isOdd);
  51.  
  52.     return 0;
  53. }
  54.  
Success #stdin #stdout 0s 5008KB
comments ()
stdin
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1 2 3 4 5 6 7 8 9 10
stdout
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Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: Enter a number: 
Even: 2, 4, 6, 8, 10
 Odd: 1, 3, 5, 7, 9
https://ideone.com/RytxyU
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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