c语言：编写程序可计算如下分段函数

Question

Q1. 编写程序可计算如下分段函数：

Answer 1

#inlude<math.h>
#include<fstream.h>
#define pi=3.1415926
int main()
{
float x,y;
cin>>x;
if(x>0)
{
   y=(pow(x,0.5)+exp(x))/(5*x+5);
}
else
{
   y=(2/3.0+sin(60*pi/180.0))*fabs(x);
}
cout<<"y="<<y<<endl;
return 0;
}

具体的你再调试下

Answer 2

#include <stdio.h>
#include <math.h>

double Value(double x)
{
if(x>0)
{
return (sqrt(x)+ pow(M_E,x))/(5*x+5);
}
else
{
return ((double)2/3+sqrt(3)/2)*(-x);
}
}

Answer 3

#include <math.h>
#include <stdio.h>
#define E 2.71828
double func (double x)
{
if (x > 0)
{
return ((sqrt(x) + pow(E, x))/(5 * x + 5));
}
else
{
return ((double(2/3) + sin(60)) * fabs(x));
}
}

int main()
{
double x;
printf ( "Enter a number: ");
scanf ( "%lf",&x);
double a = func (x);
printf ( "%lf \n", a);
return 0;
}