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  1. #include <time.h>
  2.  
  3. #define TAMANHO_DO_ARRAY(x) (sizeof (x) / sizeof *(x))
  4.  
  5. int numero_faixa(int *faixa, int quantidade) {
  6.     srand(time(NULL));
  7.     return faixa[rand() % quantidade];
  8. }
  9.  
  10. int numero_10a15_e_20a25() {
  11.     int faixas[] = {10, 11, 12, 13, 14, 15, 20, 21, 22, 23, 24, 25};
  12.     return numero_faixa(faixas, TAMANHO_DO_ARRAY(faixas));
  13. }
  14.  
  15. int main(void) {
  16.     printf("%d", numero_10a15_e_20a25());
  17. }
Success #stdin #stdout 0s 4552KB
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https://ideone.com/7x0jO9
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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