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1.18

P7219 [JOISC 2020] 星座 3

P4501 [ZJOI2018] 胖

P14960 「KWOI R1」XOR and Sliding Window

[ABC386G] Many MST

P14384 [JOISC 2017] 烟花棒 / Sparklers

信友队 1.16 棒棒糖

信友队 1.16 划分

信友队 1.16 打表

CF1774G Segment Covering

AT_jsc2019_qual_f Candy Retribution

P6276 [USACO20OPEN] Exercise P

CF1158F Density of subarrays

P11844 [USACO25FEB] Friendship Editing G

P12563 [UTS 2024] Remove Node

P14829 [THUPC 2026 初赛] Asian Soul

P14830 [THUPC 2026 初赛] 回响形态

P14832 [THUPC 2026 初赛] Unpair Ampere