Does anyone know why this code always returns 0 ?

Question

This is a simple linear function
https://code.sololearn.com/cfukJ8ine050/?ref=app

Answer 1

(1/2)*x
=0*x
=0
When both operands of the division are integers, the result is an integer division which produces the quotient.
Adding the decimal point makes it a floating point literal:
(1.0/2.0)*x
or
x/2.0

Answer 2

add a type cast to this line like this:
double y=((double)1/2)*x;

Answer 3

Thank you . Solved