symbol &

[zelandra]

Hello,

What is the meaning of

  (1&3)

Have you some example where it is good to use such a condition?

Thanks

[ResidentBiscuit]

It's a bit wise AND.

[vlad from moscow]

For example to determine whether an integer value is odd or even.

if ( x & 1 ) std::cout << "x is odd\n";
else std::cout << "x is even";