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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. 	int a, b;
  6. 	char op;
  7.  
  8. 	printf("수식? ");
  9. 	scanf("%d %c d%", &a, &op, &b);
  10.  
  11. 	switch (op) {
  12. 	case '+':
  13. 		printf("%d + %d = %d\n", a, b, a + b);
  14. 		break;
  15. 	case '-':
  16. 		printf("%d - %d = %d\n", a, b, a - b);
  17. 		break;
  18. 	case '*':
  19. 		printf("%d * %d = %d\n", a, b, a * b);
  20. 		break;
  21. 	case '/':
  22. 		if (b != 0)
  23. 				printf("%d / %d = %.2f\n", a, b, (double)a / b);
  24. 			else
  25. 				printf("0으로 나눌 수 없습니다.\n");
  26. 			break;
  27. 	default:
  28. 		printf("잘못된 수식입니다.\n");
  29. 		break;
  30. 	}
  31.  
  32. 	return 0;
  33. }
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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수식? 잘못된 수식입니다.
https://ideone.com/p8xRbh
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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