P13690 [CEOI 2025] boardgames 题解

P11696 [JRKSJ ExR] 七影蝶 题解

CF2138E2 Determinant Construction (Hard Version) 题解

LOJ #3834. 「IOI2022」最罕见的昆虫 题解

LOJ #3538. 「JOI Open 2018」冒泡排序 2 题解

CF1326F2 Wise Men (Hard Version) 题解

CF480E Parking Lot 题解

LOJ #3831. 「IOI2022」囚徒挑战 题解

QOJ #4424. Babushka and her pierogi 题解

P10055 [CCO 2022] Good Game 题解