从键盘输入一个球的半径 输出球的表面积与体积 c语言编程

#include
int main()
{
\x09double s, v, r;
\x09printf("半径：");
\x09scanf("%lf", &r);
\x09s = 4.0 * 3.14 * r * r;
\x09v = 4.0 * 3.14 / 3 * r * r * r;
\x09printf("S = %lf\n", s);
\x09printf("V = %lf\n", v);
\x09return 0;
}