Deque stl doubt

#1
  1. why i can’t insert in middle in deque stl. why it is prefered to use list for this operation… 2 . and random access operator gives value at any index in 0(1). then is deque using hashmap or something to work like a vector.
#2

hi @Rajan_42 all your queries related to deque can be answered through the documentation http://www.cplusplus.com/reference/deque/deque/
Let me know if you have trouble understanding anything

#3

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