Solution: Interleaving String
Explore how to solve the interleaving string problem using dynamic programming. Understand the step-by-step approach to check if s3 can be formed by merging s1 and s2 while preserving character order. This lesson teaches efficient space optimization with a 1D DP array and explains the logic behind each state update, helping you apply it to similar string interleaving challenges.
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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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