Help in c++

Question

Please help me. In c++ if int a=2, and int b=0. Which was a value of !a?

Answer 1

!a should be 0

Answer 2

!b should be 1

Answer 3

int a = 2;
int b = 0;
// !a is 0
// !b is 1

Answer 4

Thanks you very much for the reply

Answer 5

You're WELCOME!!!

Answer 6

But I have another problem