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AtCoder Solutions 2: DP, Probability, Graphs, and Data StructuresApril~July 2024, primarily based on original solution records, including ABC 348 E/F, 350 D/E, 351 D/E/F, 357 D/E/F, 358 C/E/G, 360 E.
43 min read English -
Nowcoder Solutions: Winter Contests, Weeklies, and Multi-SchoolDecember 2023 to August 2024, primarily based on original solution records, covering bookmarked winter contests, weekly contests, and multi-school problems.
52 min read English -
My Intro to Generating Functions: Let Coefficients Be AnswersBuilt from the original notes, restoring ordinary generating functions, exponential generating functions, modeling intuition, and several typical problems.
12 min read English