include <stdio.h>#include <stdlib.h>#define PI 3.14 //宏定义pi等于3.14int main(){ float r,h; float c1;//保存计算圆的周长 float Sb;//保存圆的表面积 float Vb;//保存圆柱的体积 printf("请输入圆的半径r=：\n"); scanf("%f",&r);//输入圆的半径 ...