#include <stdio.h>
int main() {
char op;
double first, second;
printf("Enter an operator (+, -, *, /): "); scanf("%c", &op);
printf("Enter two operands: "); scanf("%lf %lf", &first, &second);
switch (op) {
case '+':
printf("%.1lf + %.1lf = %.1lf", first
, second
, first
+ second
); break;
case '-':
printf("%.1lf - %.1lf = %.1lf", first
, second
, first
- second
); break;
case '*':
printf("%.1lf * %.1lf = %.1lf", first
, second
, first
* second
); break;
case '/':
printf("%.1lf / %.1lf = %.1lf", first
, second
, first
/ second
); break;
// operator doesn't match any case constant
default:
printf("Error! operator is not correct"); }
return 0;
}
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#include <stdio.h>
int main() {
char op;
double first, second;
printf("Enter an operator (+, -, *, /): ");
scanf("%c", &op);
printf("Enter two operands: ");
scanf("%lf %lf", &first, &second);
switch (op) {
case '+':
printf("%.1lf + %.1lf = %.1lf", first, second, first + second);
break;
case '-':
printf("%.1lf - %.1lf = %.1lf", first, second, first - second);
break;
case '*':
printf("%.1lf * %.1lf = %.1lf", first, second, first * second);
break;
case '/':
printf("%.1lf / %.1lf = %.1lf", first, second, first / second);
break;
// operator doesn't match any case constant
default:
printf("Error! operator is not correct");
}
return 0;
}