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Algorithms Fundamentals

Build the core algorithm vocabulary: growth rates, arrays, linked structures, hash lookups, search, sorting, and shortest-path intuition.

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1 topic · Growth-rate vocabulary · 5 min read

Step 2

1 topic · Indexing, shifting, amortized append · 6 min read

Step 3

1 topic · Nodes, pointers, O(1) splices · 6 min read

Step 4

1 topic · Hashing, collisions, load factor · 7 min read

Step 5

1 topic · Halving sorted search space · 6 min read

Step 6

1 visualizer · Comparisons, swaps, stability

Step 7

1 visualizer · Breadth-first search on a maze grid

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