In C++, which STL container is implemented as a doubly-linked list?Group of answer choicesvectormaplistdeque
Question
In C++, which STL container is implemented as a doubly-linked list?
Group of answer choices
vector
map
list
deque
Solution
Correct Answer
The STL container in C++ that is implemented as a doubly-linked list is list.
Explanation
- Vector is implemented as a dynamic array and does not utilize a linked structure.
- Map is typically implemented as a balanced binary tree, providing key-value storage.
- Deque (double-ended queue) is implemented using a dynamic array, allowing fast insertions and deletions at both ends but is not a linked list.
- List, on the other hand, explicitly uses a doubly-linked list, which allows for efficient insertion and deletion of elements from both ends as well as from the middle of the list.
Thus, the correct choice among the options provided is list.
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