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  1. #include <stdio.h>
  2. #include <math.h> 
  3.  
  4. int main()
  5. {
  6. 	double num;
  7.  
  8. 	while (!feof(stdin) && !ferror(stdin))
  9. 	{
  10. 		if (scanf("%lf", &num))
  11. 		{
  12. 			printf("%lf\n", num);
  13. 		}
  14. 		else
  15. 		{
  16. 			printf("Error!\n");
  17. 			scanf("%*[^\n]\n");
  18. 		}
  19. 	}
  20.  
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 2012KB
comments (?)
stdin 
12
43
c
34
gfg
c
3432
stdout 
12.000000
43.000000
Error!
34.000000
Error!
Error!
3432.000000
https://ideone.com/EwRgQ4
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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