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Que. A data structure is required for storing a set of integers such that each of the following operations can be done in (log n) time, where n is the number of elements in the set.

-Delection of the smallest element
-Insertion of an element if it is not already present in the set

Which of the following data structures can be used for this purpose?
a. A heap can be used but not a balanced binary search tree
b. A balanced binary search tree can be used but not a heap
c. Both balanced binary search tree and heap can be used
d. Neither balanced binary search tree nor heap can be used
Answer:A balanced binary search tree can be used but not a heap
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