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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	int n1, n2, ans;
  5. 	char op;
  6. 	scanf("%d %c %d", &n1, &op, &n2);
  7. 	switch (op) {
  8. 	case '+':
  9. 		ans = n1 + n2;
  10. 		break;
  11. 	case '-':
  12. 		ans = n1 - n2;
  13. 		break;
  14. 	case '*':
  15. 		ans = n1 * n2;
  16. 		break;
  17. 	case '/':
  18. 		if (n2) {
  19. 			ans = n1 / n2;
  20. 			break;
  21. 		}
  22. 	default:
  23. 		fprintf(stderr, "Invalid Input\n");
  24. 		return 1;
  25. 	}
  26. 	printf("%d", ans);
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 2012KB
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https://ideone.com/y2nnWF
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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