Question

想用这个办法开算术平方根,但是没法通过编译,大家帮我看看.

Answer 1

#include

double kaifang(double x);

main()

{

double x, y;

printf("请输入一个正数n");

scanf("%lf",&x);

y=kaifang(x);

printf("%lfn",y);

}

double kaifang(double x)/*采用二分法*/

{

double y,a,b,c=1;

a=0;b=x;

while(c)

{

y=(a+b)/2.0;

if((y*y-x)*(a*a-x)