Alien Dictionary | LeetCode #269 | Build Character Order Pairs | Step-by-Step Python Explanation
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Alien Dictionary | LeetCode #269 | Build Character Order Pairs | Step-by-Step Python Explanation
In this video, we solve the Alien Dictionary problem (LeetCode #269) 🛸 and understand how to build the character precedence relationships from a sorted list of alien words. We focus on Step 1: Building order pairs (edges) that form the base for the final topological sort. Concepts Covered: Comparing adjacent words to find the first differing ...
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