What should the dry run track?

Question

What should the dry run track?

Option A — Correct answer

Track current row, previous row, and character matches.

Option B

Only the final answer, not the state transition

Option C

The alphabetical order of variable names

Option D

Only whether input contains duplicates

Explanation

Track current row, previous row, and character matches.

Longest Common Subsequence - 2D DP Pattern Practice Quiz