lind4-8.c

谭浩强第二版的课后习题的答案的源程序

#include<stdio.h>
#define PI 3.1416
main()         /*shang mian shi ge hong*/
{
	float r=0,h=0,ol,os,qv,zv,qs;     /*bao liu liang wei xiao shu*/
	printf("Please input r&h.\n");
	scanf("%f%f",&r,&h);     /*r=1.5,h=3*/
	ol=PI*2*r;
	os=PI*r*r;
	qs=4*PI*r*r;
	qv=qs*r/3;
	zv=h*os;
	printf("\nThe yuan zhou chang is%.2f.\nThe yuan mian ji is%.2f\n",ol,os);
	printf("The qiu biao mian ji is%.2f.\nThe qiu ti ji is%.2f\n",qs,qv);
	printf("The yuan zhu ti ji is%.2f\n",zv);
}