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  1. #include <stdio.h>
  2. int main ()
  3. {
  4. 	float value1, value2;
  5. 	char operator;
  6.  
  7. 	printf ("Type in your expression.\n");
  8. 	scanf ("%f %c %f", &value1, &operator, &value2);
  9.  
  10. 	if ( operator == '+' )
  11. 		printf ("%.2f\n", value1 + value2);
  12. 	else if ( operator == '-' )
  13. 		printf ("%.2f\n", value1 - value2);
  14. 	else if ( operator == '*' )
  15. 		printf ("%.2f\n", value1 * value2);
  16. 	else if ( operator == '/' )
  17. 		 if ( value2 == 0 )
  18. 			printf ("Division by zero.\n");
  19. 		else
  20. 			printf ("%.2f\n", value1 / value2);
  21. 		else
  22. 			printf ("Unknown operator.\n");
  23. 		printf ("%.2f\n", value1 / value2);
  24.  
  25.  
  26. 	return(0);
  27.  
  28. }
Success #stdin #stdout 0s 5312KB
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stdin
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125 $ 28
stdout
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Type in your expression.
Unknown operator.
4.46
https://ideone.com/h4qTWI
language:
C (clang 8.0)
created:
2 hours ago
visibility:
public

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