134 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
16899 P11967   [GESP202503 八级] 割裂 0 / 0 6
16864 P11983   [JOIST 2025] 展览会 3 / Exhibition 3 0 / 0 9
16081 P12008   【MX-X10-T4】[LSOT-4] Fragment of Memories 0 / 0 7
16065 P12393   「RiOI-6」flos 0 / 0 7
17379 P12473   [集训队互测 2024] 基础 01? 练习题 0 / 0 9
17448 P12561   [UTS 2024] Matrix 0 / 0 7
17455 P12568   [UOI 2023] An Array and Range Additions 0 / 0 7
17587 P12730   [KOI 2021 Round 2] 美食推荐 0 / 0 8
17588 P12736   [POI 2016 R2] 圣诞灯链 Christmas chain 0 / 0 8
17884 P13019   [GESP202506 八级] 树上旅行 0 / 0 6
18908 P13397   [GCJ 2010 #1C] Load Testing 0 / 0 5
18934 P13417   [COCI 2012/2013 #4] DLAKAVAC 0 / 0 5
19037 P13508   [OOI 2024] Burenka and Pether 0 / 0 9
19028 P13522   [KOI 2025 #2] 机器人 0 / 0 7
19040 P13528   [OOI 2023] Gasoline prices / 油价 0 / 0 9
18821 P13691   [CEOI 2025] highest 0 / 0 8
18421 P13790   「CZOI-R6」Border 0 / 0 7
19339 P13858   [SWERC 2020] Rule 110 0 / 0 9
19465 P13999   [eJOI 2025] Collecting Diamonds 0 / 0 7
19474 P14013   [POCamp 2023] 送钱 / The Generous Traveler 0 / 0 7
19558 P14080   [GESP202509 八级] 最小生成树 0 / 0 7
19748 P14302   基础倍增练习题 6 / 小 U 的树 0 / 0 8
19820 P14387   [JOISC 2017] 火车旅行 / Railway Trip 0 / 0 8
19860 P14422   [JOISC 2014] 水壶 / Water Bottle 0 / 0 7
19918 P14467   [COCI 2025/2026 #1] 扔球 / Krugomet 0 / 0 6
19919 P14468   [COCI 2025/2026 #1] 和谐 / Harmonija 0 / 0 8
19925 P14473   [集训队互测 2025] 少年汹涌 0 / 0 9
19309 P14507   缺零分治 mexdnc 0 / 0 6
19985 P14563   跳跃 0 / 0 7
20023 P14638   [NOIP2025] 序列询问 0 / 0 9
20299 P14924   [GESP202512 八级] 宝石项链 0 / 0 6
18347 P14939   「FAOI-R10」异或矩阵 0 / 0 8
18366 P14989   传送 0 / 0 6
19951 P15113   [Aboi 2077] Hero 0 / 0 9

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