Write a template function that takes two bags $($maybe holding different types of

elements$)$ and returns the size of the bigger bag, i$.$e$.,$ if bag$1$ has $5$ elements and

bag$2$ has $7$ elements, the function returns $7.$

What are the iterator invalidation rules for a data structure that stores items in a

linked list?

What are the iterator invalidation rules for STL$\text{'}$s vector class?

What are the features of a random access iterator? Present the name of two STL

data structures that offer random access iterators.

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