写一段加减乘除计算机的c语言程序
时间: 2023-12-26 16:11:32 浏览: 39
#include <stdio.h>
int main() {
float num1, num2, result;
char op;
printf("Enter first number: ");
scanf("%f", &num1);
printf("Enter operator (+, -, *, /): ");
scanf(" %c", &op);
printf("Enter second number: ");
scanf("%f", &num2);
switch(op) {
case '+':
result = num1 + num2;
printf("%.2f + %.2f = %.2f", num1, num2, result);
break;
case '-':
result = num1 - num2;
printf("%.2f - %.2f = %.2f", num1, num2, result);
break;
case '*':
result = num1 * num2;
printf("%.2f * %.2f = %.2f", num1, num2, result);
break;
case '/':
if(num2 != 0) {
result = num1 / num2;
printf("%.2f / %.2f = %.2f", num1, num2, result);
} else {
printf("Error: Division by zero");
}
break;
default:
printf("Error: Invalid operator");
}
return 0;
}
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