Kicking Off: The First Day of the Grind
π» Problems Solved:β
Contains Duplicate (Easy)β
Valid Anagram (Easy)β
Two Sum (Easy)β
Group Anagrams (Medium)
π Key Takeaways:
Hashing is powerful! Used HashMaps (or Sets) for quick lookups in most problems.
Sorting can simplify things. In "Valid ...
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