#include "stdio.h"
#include "math.h"
void main()
{
float x,y;
printf("x=");
scanf("%f",&x);
if(x>=0)
y=x*x-2;
else
y=sqrt(5-x);
printf("y=%0.2f\n",y);
}
#include
#include
void main()
{
float x,y;
printf("input x:");
scanf("%f",&x);
if(x>=0)
y=x*x-2;
else
y=sqrt(5-x);
printf("y=%f\n",y);
}