Algorithmics
Static diagrams show a state. Algorithms are transitions between states — the interesting part is exactly what a diagram omits.
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Data Structures & Algorithms
- Binary Search Why halving beats scanning, and what the loop invariant actually guarantees.binary searcharray6 min
- Next Greater Element How a monotonic stack turns a quadratic scan into one pass, and why the stack is always decreasing.easy monotonic stackstackhash maparray496 7 min