#include <stdio.h>
int main(void)
{
float diameter = 0.0f; // The diameter of a table
float radius = 0.0f; // The radius of a table
const float Pi = 3.14159f; // Defines the value of Pi as fixed
printf("Input the diameter of a circle:");
scanf("%f", &diameter);
radius = diameter/2.0f;
printf("/nThe circumference is %.2f.", 2.0f*Pi*radius);
printf("/nThe area is %.2f./n", Pi*radius*radius);
return 0;
}
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/pnotes/266435.html