Q31

(a) merge([1,2],[3,4,5])

• Output of the given code: [1,2]
• Correct merged output: [1,2,3,4,5]

(b) merge([1,4,6],[2,3])

• Output of the given code: [1,2,3,4,6]
• Correct merged output: [1,2,3,4,6]

Q32

Bug: After the main merge loop, the algorithm appends only the remaining elements of A. If B still has leftover elements, they are never copied.

Effect: The output is incorrect only when B has remaining elements after the first loop. Otherwise, the merged list is correct.

Q33

Fix:

while j < length(B):
    append B[j] to out
    j = j + 1

Reason: The main merge loop stops as soon as one list is exhausted. This additional loop copies any remaining elements from B, ensuring no elements are lost.

Q34

The algorithm should append the remaining elements from both lists after the main merge loop. Since it currently handles only A, any leftover elements in B are omitted. Adding the missing loop for B guarantees that the merged output contains every element in sorted order.