#include <stdio.h>
#include <ctype.h>
int main(void)
{
double number1 = 3.0;
double number2 = 4.0;
char operation = '+';
char reply = 0;
switch(operation)
{
case '+':
printf("= %lf\n", number1 + number2);
break;
case '-':
printf("= %lf\n", number1 - number2);
break;
case '*':
printf("= %lf\n", number1 * number2);
break;
case '/':
if(number2 == 0)
printf("\n\n\aDivision by zero error!\n");
else
printf("= %lf\n", number1 / number2);
break;
case '%':
if((long)number2 == 0)
printf("\n\n\aDivision by zero error!\n");
else
printf("= %ld\n", (long)number1 % (long)number2);
break;
default:
printf("\n\n\aIllegal operation!\n");
break;
}
return 0;
}
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