GATE DA 2024 | Question: 22 The fundamental operations in a double-ended queue D are:insertFirst(e)
GATE DA 2024 | Question: 22
The fundamental operations in a double-ended queue D are:
insertFirst(e) – Insert a new element e at the beginning of D.
insertLast(e) – Insert a new element e at the end of D.
removeFirst() – Remove and return the first element of D.
removeLast() – Remove and return the last element of D.
In an empty double-ended queue, the following operations are performed:
insertFirst(10)
insertLast(32)
a ←removeFirst()
insertLast(28)
insertLast(17)
a ←removeFirst()
a ← removeLast()
The value of a is ______.
Ans: 17
0:00 Intro & Question
0:59 Solution
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