| 
          
         | 
        18203 | 
                
              luoguB3729
  [信息与未来 2017] 龟兔赛跑
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        18204 | 
                
              luoguB3730
  [信息与未来 2017] 密码锁
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        18205 | 
                
              luoguB3731
  [信息与未来 2017] 房屋积水
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        18206 | 
                
              luoguB3732
  [信息与未来 2017] 任务调度
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        18207 | 
                
              luoguB3733
  [信息与未来 2017] 基因组分析
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        18208 | 
                
              luoguB3734
  [信息与未来 2017] 加强版密码锁
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        14852 | 
                
              luoguP3561
  [POI 2017] Turysta
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12350 | 
                
              luoguP3605
  [USACO17JAN] Promotion Counting P
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12351 | 
                
              luoguP3606
  [USACO17JAN] Building a Tall Barn P
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12352 | 
                
              luoguP3607
  [USACO17JAN] Subsequence Reversal P
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12353 | 
                
              luoguP3608
  [USACO17JAN] Balanced Photo G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12354 | 
                
              luoguP3609
  [USACO17JAN] Hoof, Paper, Scissor G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12355 | 
                
              luoguP3610
  [USACO17JAN] Cow Navigation G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12356 | 
                
              luoguP3611
  [USACO17JAN] Cow Dance Show S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12358 | 
                
              luoguP3612
  [USACO17JAN] Secret Cow Code S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        10951 | 
                
              luoguP3656
  [USACO17FEB] Why Did the Cow Cross the Road I P
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10960 | 
                
              luoguP3657
  [USACO17FEB] Why Did the Cow Cross the Road II P
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10961 | 
                
              luoguP3658
  [USACO17FEB] Why Did the Cow Cross the Road III P
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10962 | 
                
              luoguP3659
  [USACO17FEB] Why Did the Cow Cross the Road I G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10967 | 
                
              luoguP3660
  [USACO17FEB] Why Did the Cow Cross the Road III G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10977 | 
                
              luoguP3661
  [USACO17FEB] Why Did the Cow Cross the Road I S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10981 | 
                
              luoguP3662
  [USACO17FEB] Why Did the Cow Cross the Road II S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10986 | 
                
              luoguP3663
  [USACO17FEB] Why Did the Cow Cross the Road III S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10987 | 
                
              luoguP3664
  [USACO17OPEN] Modern Art P
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10988 | 
                
              luoguP3665
  [USACO17OPEN] Switch Grass P
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11005 | 
                
              luoguP3666
  [USACO17OPEN] COWBASIC P
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11006 | 
                
              luoguP3667
  [USACO17OPEN] Bovine Genomics G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11007 | 
                
              luoguP3668
  [USACO17OPEN] Modern Art 2 G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11013 | 
                
              luoguP3669
  [USACO17OPEN] Paired Up S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11016 | 
                
              luoguP3670
  [USACO17OPEN] Bovine Genomics S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11021 | 
                
              luoguP3671
  [USACO17OPEN] Where's Bessie? S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12571 | 
                
              luoguP3687
  [ZJOI2017] 仙人掌
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12572 | 
                
              luoguP3688
  [ZJOI2017] 树状数组
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12573 | 
                
              luoguP3689
  [ZJOI2017] 多项式
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11172 | 
                
              luoguP3698
  [CQOI2017] 小Q的棋盘
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11173 | 
                
              luoguP3699
  [CQOI2017] 小Q的草稿
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11174 | 
                
              luoguP3700
  [CQOI2017] 小 Q 的表格
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11614 | 
                
              luoguP3702
  [SDOI2017] 序列计数
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11350 | 
                
              luoguP3703
  [SDOI2017] 树点涂色
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11175 | 
                
              luoguP3704
  [SDOI2017] 数字表格
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11236 | 
                
              luoguP3705
  [SDOI2017] 新生舞会
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11239 | 
                
              luoguP3706
  [SDOI2017] 硬币游戏
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11240 | 
                
              luoguP3707
  [SDOI2017] 相关分析
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11253 | 
                
              luoguP3713
  [BJOI2017] 机动训练
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11263 | 
                
              luoguP3714
  [BJOI2017] 树的难题
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11264 | 
                
              luoguP3715
  [BJOI2017] 魔法咒语
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12588 | 
                
              luoguP3717
  [AHOI2017初中组] cover
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        12589 | 
                
              luoguP3718
  [AHOI2017初中组] alter
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12590 | 
                
              luoguP3719
  [AHOI2017初中组] rexp
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12584 | 
                
              luoguP3720
  [AHOI2017初中组] guide
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12593 | 
                
              luoguP3721
  [AH2017/HNOI2017] 单旋
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12594 | 
                
              luoguP3722
  [AH2017/HNOI2017] 影魔
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11265 | 
                
              luoguP3723
  [AH2017/HNOI2017] 礼物
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11266 | 
                
              luoguP3724
  [AHOI2017/HNOI2017] 大佬
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11271 | 
                
              luoguP3725
  [AH2017/HNOI2017] 队长快跑
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11272 | 
                
              luoguP3726
  [AH2017/HNOI2017] 抛硬币
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11176 | 
                
              luoguP3731
  [HAOI2017] 新型城市化
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11178 | 
                
              luoguP3732
  [HAOI2017] 供给侧改革
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11180 | 
                
              luoguP3733
  [HAOI2017] 八纵八横
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11181 | 
                
              luoguP3734
  [HAOI2017] 方案数
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11194 | 
                
              luoguP3735
  [HAOI2017] 字符串
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11200 | 
                
              luoguP3745
  [六省联考 2017] 期末考试
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11216 | 
                
              luoguP3746
  [六省联考 2017] 组合数问题
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11201 | 
                
              luoguP3747
  [六省联考 2017] 相逢是问候
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11222 | 
                
              luoguP3748
  [六省联考 2017] 摧毁“树状图”
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11227 | 
                
              luoguP3749
  [六省联考 2017] 寿司餐厅
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11223 | 
                
              luoguP3750
  [六省联考 2017] 分手是祝愿
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11242 | 
                
              luoguP3755
  [CQOI2017] 老C的任务
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11243 | 
                
              luoguP3756
  [CQOI2017] 老C的方块
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11244 | 
                
              luoguP3757
  [CQOI2017] 老C的键盘
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11270 | 
                
              luoguP3758
  [TJOI2017] 可乐
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11282 | 
                
              luoguP3759
  [TJOI2017] 不勤劳的图书管理员
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11273 | 
                
              luoguP3760
  [TJOI2017] 异或和
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11228 | 
                
              luoguP3761
  [TJOI2017] 城市
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11284 | 
                
              luoguP3762
  [TJOI2017] 龙舟
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11289 | 
                
              luoguP3763
  [TJOI2017] DNA
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12613 | 
                
              luoguP3770
  [CTSC2017] 密钥
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12614 | 
                
              luoguP3771
  [CTSC2017] 网络
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12615 | 
                
              luoguP3772
  [CTSC2017] 游戏
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11292 | 
                
              luoguP3773
  [CTSC2017] 吉夫特
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11293 | 
                
              luoguP3774
  [CTSC2017] 最长上升子序列
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11383 | 
                
              luoguP3775
  [CTSC2017] 投影
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12617 | 
                
              luoguP3776
  [APIO2017] 斑斓之地
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        15455 | 
                
              luoguP3777
  [APIO2017] 考拉的游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12618 | 
                
              luoguP3778
  [APIO2017] 商旅
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12620 | 
                
              luoguP3779
  [SDOI2017] 龙与地下城
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12621 | 
                
              luoguP3780
  [SDOI2017] 苹果树
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12622 | 
                
              luoguP3781
  [SDOI2017] 切树游戏
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12616 | 
                
              luoguP3782
  [WC2017] 排序
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12623 | 
                
              luoguP3783
  [SDOI2017] 天才黑客
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12624 | 
                
              luoguP3784
  [SDOI2017] 遗忘的集合
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12625 | 
                
              luoguP3785
  [SDOI2017] 文本校正
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12651 | 
                
              luoguP3813
  [FJOI2017] 矩阵填数
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12652 | 
                
              luoguP3814
  [FJOI2017] 远古山脉问题
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        12653 | 
                
              luoguP3815
  [FJOI2017] 回文子序列问题
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        12654 | 
                
              luoguP3816
  [FJOI2017] 树的平均路长问题
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12677 | 
                
              luoguP3822
  [NOI2017] 整数
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12678 | 
                
              luoguP3823
  [NOI2017] 蚯蚓排队
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12679 | 
                
              luoguP3824
  [NOI2017] 泳池
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12680 | 
                
              luoguP3825
  [NOI2017] 游戏
         | 
        0 / 0 | 
        6 |