vector <int> answer(2);

Question

What is mean of answer(2) here!

Answer 1

no, it says create a vector of type int with a name answer and give initial size 2.

Answer 2

initial size/count of vector answer is 2.

Answer 3

Thank you 🤗
Finally I am understand...

Answer 4

is it is shortend of
vector <int> answer (0),vector <int> answer (1);