Subject Computer Science Data Structures and Algorithms

Question

Design a simple algorithm to find all the common elements in two sorted lists of numbers.
For example, for the lists 2, 5, 5, 5 and 2, 2, 3, 5, 5, 7, the output should be 2, 5, 5.

What is the maximum number of comparisons your algorithm makes if the lengths of the two given lists are m and n respectively?

Solution Preview

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Solving idea:
Let’s say |A|=m and |B|=n.
We use two variables i and j. The first iterates through the first sorted list and the second iterates through the second sorted list....

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