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  1. #include <stdio.h>
  2. #include <signal.h>
  3. #include <time.h>
  4. #include <unistd.h>
  5.  
  6. int     n=0;
  7.  
  8. void beep(int sig)
  9. {
  10.         printf("%d x %d = %d\n", n/8+2, n%8+2, (n/8+2)*(n%8+2));
  11.         n++;
  12.         if (n<64) { alarm(1); }         /* rearm alarm */
  13. }
  14.  
  15. int main(void)
  16. {
  17.         signal(SIGALRM, beep);
  18.         alarm(1);
  19.         printf("Press ENTER to stop the program.\n");
  20.         getchar();
  21.  
  22.         return 0;
  23. }
  24.  
Success #stdin #stdout 0s 4472KB
comments (?)
stdin 
Standard input is empty
stdout 
Press ENTER to stop the program.
https://ideone.com/yz26vP
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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