program2_10.c

来自「C语言入门经典一书的所有代码。书上面的所有代码均在此。希望大家喜欢」· C语言 代码 · 共 18 行

/* Program 2.10 Round tables again but shorter */
#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 the table:");
  scanf("%f", &diameter);
  radius = diameter/2.0f;
  printf("\nThe circumference is %.2f", 2.0f*Pi*radius);
  printf("\nThe area is %.2f", Pi*radius*radius);
  return 0;
}