In short
The most fundamental data structures — the majority of coding interview problems, including many ML-adjacent ones, reduce to array/string manipulation.
How to learn this
- 1Practice two-pointer and prefix-sum patterns on array problems.
- 2Solve string-manipulation problems (substrings, palindromes, anagrams).
- 3Aim for clean, bug-free code on easy problems before moving to medium difficulty.
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