# include & ltstdlib.h & gt
#定義PI 3.14159
int main(void)
{
雙r,c,s1,s2,v;
Printf("輸入圓的半徑:\ n \ a ");
scanf("%lf ",& ampr);//這裏有壹個變化。雙輸入是%lf。
c = PI * 2.0 * r;
s 1 = PI * r * r;
S2 = 4.0 * s 1;
v =(4 * PI * r * r * r)/3.0;
Printf("圓周= %lf\n圓周面積= % lf \ n球面面積= % lf \ n球面體積= % lf \ n ",c,s1,s2,v);
返回0;
}
想保留最後兩個:這個可以。
# include & ltstdio.h & gt
# include & ltstdlib.h & gt
#定義PI 3.14159
int main(void)
{
雙r,c,s1,s2,v;
Printf("輸入圓的半徑:\ n \ a ");
scanf("%lf ",& ampr);//這裏有壹個變化。雙精度浮點(double)輸入移動%lf,% .2lf。
c = PI * 2.0 * r;
s 1 = PI * r * r;
S2 = 4.0 * s 1;
v =(4 * PI * r * r * r)/3.0;
printf(" circumference = % . 2 lf \ n circle area = % . 2 lf \ n sphere area = % . 2 lf \ n sphere volume = % . 2 lf \ n ",c,s1,s2,v);//這裏改了。看% .2lf。
返回0;
}