| 
          
         | 
        8793 | 
                
              8793
  「一本通 5.2 例 1」二叉苹果树
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8794 | 
                
              8794
  「一本通 5.2 例 2」选课
         | 
        1 / 1 | 
        10 | 
      
      
        | 
          
         | 
        8796 | 
                
              8796
  「一本通 5.2 例 4」战略游戏
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8797 | 
                
              8797
  「一本通 5.2 例 5」皇宫看守
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8798 | 
                
              8798
  「一本通 5.2 练习 1」加分二叉树
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8799 | 
                
              8799
  「一本通 5.2 练习 2」旅游规划
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8800 | 
                
              8800
  「一本通 5.2 练习 3」周年纪念晚会
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8801 | 
                
              8801
  「一本通 5.2 练习 4」叶子的染色
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8802 | 
                
              8802
  「一本通 5.2 练习 5」骑士
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        21592 | 
                
              luoguB4275
  [蓝桥杯青少年组省赛 2023] 活动人数
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21627 | 
                
              luoguB4311
  [蓝桥杯青少年组国赛 2024] 第六题
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10004 | 
                
              luoguP1122
  最大子树和
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10013 | 
                
              luoguP1131
  [ZJOI2007] 时态同步
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10149 | 
                
              luoguP1269
  信号放大器
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10150 | 
                
              luoguP1270
  “访问”美术馆
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10151 | 
                
              luoguP1272
  重建道路
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10229 | 
                
              luoguP1351
  [NOIP 2014 提高组] 联合权值
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10230 | 
                
              luoguP1352
  没有上司的舞会
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10354 | 
                
              luoguP1481
  魔族密码
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10416 | 
                
              luoguP1543
  [POI 2004] SZP
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10857 | 
                
              luoguP2014
  [CTSC1997] 选课
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10858 | 
                
              luoguP2015
  二叉苹果树
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10859 | 
                
              luoguP2016
  战略游戏
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10861 | 
                
              luoguP2018
  消息传递
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11151 | 
                
              luoguP2279
  [HNOI2003] 消防局的设立
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11519 | 
                
              luoguP2607
  [ZJOI2008] 骑士
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11241 | 
                
              luoguP2610
  [ZJOI2012] 旅游
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11840 | 
                
              luoguP2899
  [USACO08JAN] Cell Phone Network G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11927 | 
                
              luoguP2986
  [USACO10MAR] Great Cow Gathering G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11963 | 
                
              luoguP3023
  [USACO11OPEN] Soldering G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11987 | 
                
              luoguP3047
  [USACO12FEB] Nearby Cows G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12105 | 
                
              luoguP3155
  [CQOI2009] 叶子的染色
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12123 | 
                
              luoguP3174
  [HAOI2009] 毛毛虫
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12126 | 
                
              luoguP3177
  [HAOI2015] 树上染色
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12186 | 
                
              luoguP3237
  [HNOI2014] 米特运输
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12318 | 
                
              luoguP3360
  偷天换日
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12476 | 
                
              luoguP3523
  [POI 2011] DYN-Dynamite
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12506 | 
                
              luoguP3554
  [POI 2013] LUK-Triumphal arch
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12515 | 
                
              luoguP3565
  [POI 2014] HOT-Hotels
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12524 | 
                
              luoguP3574
  [POI 2014] FAR-FarmCraft
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12526 | 
                
              luoguP3576
  [POI 2014] MRO-Ant colony
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12544 | 
                
              luoguP3596
  [POI 2015] MOD
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11244 | 
                
              luoguP3757
  [CQOI2017] 老C的键盘
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12768 | 
                
              luoguP3931
  SAC E#1 - 一道难题 Tree
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12919 | 
                
              luoguP4084
  [USACO17DEC] Barn Painting G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        13093 | 
                
              luoguP4253
  [SCOI2015] 小凸玩密室
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        13112 | 
                
              luoguP4268
  [USACO18FEB] Directory Traversal G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        13205 | 
                
              luoguP4362
  [NOI2002] 贪吃的九头龙
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        13258 | 
                
              luoguP4438
  [HNOI/AHOI2018] 道路
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        13355 | 
                
              luoguP4492
  [HAOI2018] 苹果树
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        13472 | 
                
              luoguP4620
  [SDOI2018] 荣誉称号
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        13360 | 
                
              luoguP4701
  粘骨牌
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        13835 | 
                
              luoguP5007
  DDOSvoid 的疑惑
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        14081 | 
                
              luoguP5240
  Derivation
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14159 | 
                
              luoguP5298
  [PKUWC2018] Minimax
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14377 | 
                
              luoguP5521
  [yLOI2019] 梅深不见冬
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        14541 | 
                
              luoguP5666
  [CSP-S2019] 树的重心
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14569 | 
                
              luoguP5680
  [GZOI2017] 共享单车
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14620 | 
                
              luoguP6213
  「SWTR-4」Collecting Coins
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15198 | 
                
              luoguP6287
  [COCI 2016/2017 #1] Mag
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14772 | 
                
              luoguP6419
  [COCI 2014/2015 #1] Kamp
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15378 | 
                
              luoguP6478
  [NOI Online #2 提高组] 游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15164 | 
                
              luoguP6527
  「Wdoi-1」幻能采集
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        15360 | 
                
              luoguP6554
  Promises I Can't Keep
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        15463 | 
                
              luoguP6594
  [YsOI2020] 换寝室
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        15551 | 
                
              luoguP6653
  [YsOI2020] 造林
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15562 | 
                
              luoguP6679
  [COCI 2019/2020 #2] Zvijezda
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        15568 | 
                
              luoguP6793
  [SNOI2020] 字符串
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15781 | 
                
              luoguP6803
  [CEOI 2020] 星际迷航
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        15606 | 
                
              luoguP7103
  「C.E.L.U-01」族谱树
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        16340 | 
                
              luoguP7359
  「JZOI-1」旅行
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        16268 | 
                
              luoguP7498
  磁控法则
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        16440 | 
                
              luoguP7537
  [COCI 2016/2017 #4] Rima
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        16560 | 
                
              luoguP7563
  [JOISC 2021] 最悪の記者 4 (Worst Reporter 4) (Day4)
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        16461 | 
                
              luoguP7574
  「PMOI-3」子树
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        16490 | 
                
              luoguP7581
  「RdOI R2」路径权值(distance)
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17005 | 
                
              luoguP7841
  「C.E.L.U-03」100%不公平的游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        16666 | 
                
              luoguP7846
  「dWoi R2」Arcade hall / 街机厅
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        17077 | 
                
              luoguP7925
  「EVOI-RD2」童年
         | 
        0 / 3 | 
        5 | 
      
      
        | 
          
         | 
        17167 | 
                
              luoguP8009
  「Wdsr-3」船往低处流
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        17308 | 
                
              luoguP8089
  『JROI-5』Color
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        16604 | 
                
              luoguP8127
  [BalticOI 2021] The Xana coup (Day2)
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        17387 | 
                
              luoguP8202
  [传智杯 #4 决赛] [yLOI2021] 染色
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17110 | 
                
              luoguP8227
  「Wdoi-5」建立与摧毁的结界
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17468 | 
                
              luoguP8258
  [CTS2022] 独立集问题
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        16539 | 
                
              luoguP8280
  「MCOI-08」Photoelectric Effect
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        17202 | 
                
              luoguP8288
  「DAOI R1」Fireworks
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17503 | 
                
              luoguP8290
  [省选联考 2022] 填树
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17510 | 
                
              luoguP8294
  [省选联考 2022] 最大权独立集问题
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        16120 | 
                
              luoguP8428
  [COI 2020] Pastiri
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17559 | 
                
              luoguP8595
  「KDOI-02」一个网的路
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        15815 | 
                
              luoguP8625
  [蓝桥杯 2015 省 B] 生命之树
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        15857 | 
                
              luoguP8677
  [蓝桥杯 2018 国 A] 采油
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        17793 | 
                
              luoguP8744
  [蓝桥杯 2021 省 A] 左孩子右兄弟
         | 
        0 / 5 | 
        3 | 
      
      
        | 
          
         | 
        12980 | 
                
              luoguP8867
  [NOIP2022] 建造军营
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        18013 | 
                
              luoguP8877
  [传智杯 #5 初赛] I-不散的宴会
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        18078 | 
                
              luoguP8916
  [DMOI-R2] 暗号
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17895 | 
                
              luoguP8917
  [DMOI-R2] 风神瞳(Anemoculus)
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        17916 | 
                
              luoguP8935
  [JRKSJ R7] 茎
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        18170 | 
                
              luoguP8970
  宿命 | Regulation of Destiny
         | 
        0 / 0 | 
        7 |