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Interview problems drawn from Lawrence Wu & Alex Miller, *Daily Coding Problem: Get Exceptionally Good at Coding Interviews* (2019). Each issue cites the source problem number. Items selected to not duplicate existing modules or open issues.
No due date•22/22 issues closedAlgorithms drawn from Christoph Dürr & Jill-Jênn Vie, *Competitive Programming in Python* (Cambridge University Press, 2021). Each issue cites the chapter/section it comes from. Items selected to not duplicate existing modules or open issues.
No due date•20/20 issues closedClassic interview problems drawn from Mongan, Suojanen & Giguère, *Programming Interviews Exposed* — linked lists, binary trees, arrays/matrices, strings, bits, and recursion. Items selected to not duplicate existing modules or open issues.
No due date•26/26 issues closedAlgorithms drawn from Jon Bentley, *Programming Pearls* 2nd ed. Each issue cites the column it comes from. Items selected to not duplicate existing modules or open issues.
No due date•12/12 issues closedHeavyweight algorithms: persistent / wavelet structures, blossom matching, Ukkonen suffix tree, Delaunay, half-plane intersection, Tonelli-Shanks, advanced DP optimisations.
No due date•12/12 issues closedBalanced BSTs, multidimensional BITs, offline range tooling.
No due date•18/18 issues closedGreedy schedulers, matching, approximation algorithms.
No due date•5/5 issues closedAdvanced DP techniques (CHT, digit DP, bitmask, rerooting) and adversarial search.
No due date•7/7 issues closedNumber-theoretic algorithms and arbitrary-precision arithmetic.
No due date•29/29 issues closed2-D primitives, hulls, polygon clipping, intersection tests.
No due date•16/16 issues closedLinear-time string structures: suffix array / automaton, palindromic tree, Aho-Corasick.
No due date•20/20 issues closedHeavy graph machinery: max-flow variants, decomposition, 2-SAT, advanced bipartite.
No due date•34/34 issues closedStandard competitive-programming algorithms every contestant uses.
No due date•32/32 issues closedBite-size additions and good first issues. Broad coverage of small but useful algorithms and conversion utilities.
No due date•69/69 issues closed