To do just about anything of interest in a program, we need a group of data to work with.
For example, our program might need:
The need for storing a collection of data is endless.
We are familiar with data types like
double, but how do we store a group of
ints or a group of
In this lesson, we will start with one of the simplest, and arguably the most useful, ways of storing data in C++: a vector.
A vector is a sequence of elements that you can access by index.
Click Next to continue.