C语言程序设计教程（第三版）课后习题9.8 （C语言代码）

#include<stdio.h>

#define Y(a,b,c) (((a>b)?a:b)>c)?((a>b)?a:b):c

double hanshu(double a,double b,double c)

{

return (((a>b)?a:b)>c)?((a>b)?a:b):c;

}

int main()

{

double a,b,c;

scanf("%lf%lf%lf",&a,&b,&c);

printf("%0.3lf\n",hanshu(a,b,c));

printf("%0.3lf",Y(a,b,c));

}