请问各位,这个代码有问题吗
```c
#include<stdio.h>
int main(void)
{
float radius = 0.0f;
float diameter = 0.0f;
float circumference = 0.0f;
float area = 0.0f;
float pi = 3.14159265;printf("Input the diameter of the table:");
scanf("%f", &diameter);radius = diameter / 2.0f;
circumference = 2.0f * pi * radius;
area = pi * radius * radius;printf("\nThe circumference is %.2f", circumference);
printf("\nThe area is %.2f\n", area);
return 0;
}
```