Question

计算分段函数y=x(x

Answer 1

#include

#include

double Fun(double x)

{

if(x > 0)

return sqrt(x);

if(x < 0)

return x;

return 0;

}

int main()

{

double x;

while(scanf("%lf", x) != EOF)

{

printf("%.1fn", Fun(x));

}

return 0;

}