I did notice a lot of problems from previous contests were easier than I had assumed (for example, the unchunking one, as the constraint goes to at most 10⁵ for O (m+n) string matching in a hash map, ...
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The truth is: 👉 Most Data Structures & Algorithms problems are just variations of a limited set of patterns. Once you recognize the pattern, the solution becomes significantly easier. Here’s a ...
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