State whether each of the following is true or false. If false, explain why. a) Many of the Standard l.ibr.uy algorithms can be applied to various container, independently of the underlying container implementation. b) arrays are fixed in size and offer direct access to any element. c) forward_ lists are singly linked lists. that offer rapid insertion and deletion only the front and the back. d) sets offer rapid lookup and duplicates are allowed. c) In a priority_ queue, the lowest-priority element is always the first element out. t) The sequence containers represent non-linear data structures. g) As of C++11, there is now a non-member function version of swap that swaps the contents of its two arguments (which must be of different container types) using move operations rather than copy operations. h) Container member function erase removes all elements from the container. i) An object of type iterator refers to a container element that can be modified. j) We use const versions of the iterators for traversing read-only containers. k) For input iterators and output iterators, it's common to save the iterator, then use the saved value later. l) Class templates array, vector and deque are based on built-in arrays. m) Attempting to dereference an iterator positioned outside its container is a compilation error. In particular, the iterator returned by end should not be dereferenced or incremented. n) Insertions and deletions in the middle of a deque are optimized to minimize the number of elements copied, so it's more efficient than a vector but less efficient than a list for this kind of modification. o) Container set docs not allow duplicates. p) Class stack (from header <stack>) enables into and deletions from the underlying data structure at one end (commonly referred to as a last-in, first-out data structure). q) Function is available in all containers except the deque.

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