31.
What is the correct syntax for the 'do-while' loop in C++?

33.
What is the syntax for the 'switch' statement in C++?

34.
In C++, what is the purpose of the 'if-else' statement?

36.
What is the purpose of the 'if' statement in C++?

38.
What does the 'continue' statement do in a loop in C++?

40.
What will be the output of the following code: for (int i = 0; i < 3; ++i) { for (int j = 0; j < 2; ++j) { cout << i << j << " "; } } in C++?