GATE 2024 · session-1
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 _____