C++ arrays

Question

In C++ is there a way to get the arrays length like in JS when you use .length.

Thank you for your help.

Answer 1

Arrays don't really know their own sizes. Use std::vector, or std::array.

https://www.sololearn.com/learn/261/?ref=app
http://en.cppreference.com/w/cpp/container/array

Answer 2

...For what you're doing, you can really just do...

cin >> arr2[0];

Answer 3

Well, is there a way to make arrays dynamic like, could I cin a int into a array?

Answer 4

I got it https://code.sololearn.com/c2De6iIvu0m3/#cpp

Answer 5

So vecters are like the arrays in JS