any idea

Question

double a=4.0;
double b=4.0;
double r=a+b;
cout>>r;
the answer will be 8
how to get it as 8.0

Answer 1

for this you dont need double...use float

Answer 2

or use
double a = 4.0f;
double b = 4.0f;
double r = a + b;
using f after the number to warrant that will be a floating point number...

Answer 3

double a = 4.0;
double b = 4.0;
double r = a+b;
cout << (float)r;

Answer 4

tnk u ...

Answer 5

oops still it's 8 😑

Answer 6

Xddddddd