Dereference and Advance

A vector v has already been created with the values {10, 20, 30}. Complete the TODOs so the program:
1. creates an iterator it pointing at the first element (v.begin()),
2. prints the element it points at, followed by a newline,
3. advances the iterator by one with ++it,
4. prints the new element it points at, followed by a newline.

Expected Output:

10↵
20↵

= newline. The output ends with a newline — print one after the last line.

Hints3 available

Topics:

STL ContainersIterators

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