C++ Omit Array Size
Omit Array Size
In C++, you don't have to specify the size of the array. The compiler is smart enough to determine the size of the array based on the number of inserted values:
string cars[] = {"Volvo", "BMW", "Ford"}; //
Three arrays
The example above is equal to:
string cars[3] = {"Volvo", "BMW", "Ford"}; //
Also three arrays
However, the last approach is considered as "good practice", because it will reduce the chance of errors in your program.
Omit Elements on Declaration
It is also possible to declare an array without specifying the elements on declaration, and add them later: