Speedrun DSA

CSES problem set

Work through the classic CSES sections, solved on this judge — stdin in, verdict out.

Graph Algorithms

Flood fill, shortest paths, cycles, flows and tours.

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Warm-up problems covering the basics.

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Binary search, sorting and order statistics.

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Classic recurrences, knapsack and counting.

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Segment trees, BITs and sparse tables.

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LCA, subtrees and tree DP.

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Number theory, combinatorics and primes.

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Hashing, Z-function and suffix structures.

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Points, lines, polygons and convex hulls.

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Meet in the middle, sqrt decomposition and more.

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