6 min read A decision procedure for recognizing which algorithm pattern a problem wants, with the trigger phrase, data structure, and canonical problems to drill for each. Read article
7 min read A reference for the common sorting algorithms, their time and space costs, whether each is stable, and which one to name when an interview constraint changes. Read article
7 min read The per-operation cost of every common data structure, the amortized-versus-worst-case traps, and how to state complexity out loud without getting corrected. Read article
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