Solution: Interleaving String
Explore the dynamic programming approach to determine whether one string can be formed by interleaving two others while preserving character order. This lesson teaches you to implement a space-optimized solution in C++, helping you understand how to efficiently handle prefix combinations and verify interleaving with a 1D DP array. By completing this lesson, you will gain the skills to solve this classic problem and improve your grasp of optimization techniques in coding interviews.
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Statement
You’re given three strings: s1, s2, and s3. Your task is to determine whether s3 can be formed by interleaving s1 and s2.
Interleaving means you take both strings and break them into smaller pieces (substrings), then merge those pieces while preserving the left-to-right order of characters within each original string.
The final mixed string might look like any of the following:
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