Tags: #solution collection

March-June 2024, primarily based on original solution records, including ABC 340 F, 341 D, 346 D/E/F, 356 D/E/F.

April~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.

Solutions from Dec 2023 to Jul 2024, covering prefix sums, strings, and transformation-oriented Codeforces problems.

Primarily based on original solution records, including Zhengzhou Invitational, Kunming Invitational, HDU 2973, and Luogu B3645.

December 2023 to August 2024, primarily based on original solution records, covering bookmarked winter contests, weekly contests, and multi-school problems.