| 
          
         | 
        9887 | 
                
              luoguP1005
  [NOIP 2007 提高组] 矩阵取数游戏
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9975 | 
                
              luoguP1093
  [NOIP 2007 普及组] 奖学金
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9976 | 
                
              luoguP1094
  [NOIP 2007 普及组] 纪念品分组
         | 
        0 / 1 | 
        2 | 
      
      
        | 
          
         | 
        9977 | 
                
              luoguP1095
  [NOIP 2007 普及组] 守望者的逃离
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9978 | 
                
              luoguP1096
  [NOIP 2007 普及组] Hanoi 双塔问题
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9979 | 
                
              luoguP1097
  [NOIP 2007 提高组] 统计数字
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9980 | 
                
              luoguP1098
  [NOIP 2007 提高组] 字符串的展开
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9981 | 
                
              luoguP1099
  [NOIP 2007 提高组] 树网的核
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9992 | 
                
              luoguP1110
  [ZJOI2007] 报表统计
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10011 | 
                
              luoguP1129
  [ZJOI2007] 矩阵游戏
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10013 | 
                
              luoguP1131
  [ZJOI2007] 时态同步
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10051 | 
                
              luoguP1169
  [ZJOI2007] 棋盘制作
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10238 | 
                
              luoguP1360
  [USACO07MAR] Gold Balanced Lineup G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10337 | 
                
              luoguP1463
  [POI 2001 ] [HAOI2007] 反素数
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10347 | 
                
              luoguP1474
  [USACO2.3] Money System / [USACO07OCT] Cow Cash G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10461 | 
                
              luoguP1588
  [USACO07OPEN] Catch That Cow S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        10479 | 
                
              luoguP1606
  [USACO07FEB] Lilypad Pond G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10496 | 
                
              luoguP1623
  [CEOI 2007] 树的匹配 Treasury
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10521 | 
                
              luoguP1649
  [USACO07OCT] Obstacle Course S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10671 | 
                
              luoguP1821
  [USACO07FEB] Cow Party S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10673 | 
                
              luoguP1823
  [COI 2007] Patrik 音乐会的等待
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10691 | 
                
              luoguP1841
  [JSOI2007] 重要的城市
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10890 | 
                
              luoguP2047
  [NOI2007] 社交网络
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10896 | 
                
              luoguP2053
  [SCOI2007] 修车
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10899 | 
                
              luoguP2056
  [ZJOI2007] 捉迷藏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10900 | 
                
              luoguP2057
  [SHOI2007] 善意的投票 / [JLOI2010] 冠军调查
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10904 | 
                
              luoguP2061
  [USACO07OPEN] City Horizon S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12867 | 
                
              luoguP2099
  [NOI2007] 调兵遣将
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12893 | 
                
              luoguP2109
  [NOI2007] 生成树计数
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11230 | 
                
              luoguP2120
  [ZJOI2007] 仓库建设
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11023 | 
                
              luoguP2144
  [FJOI2007] 轮状病毒
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11024 | 
                
              luoguP2145
  [JSOI2007] 祖玛
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11039 | 
                
              luoguP2160
  [SHOI2007] 书柜的尺寸
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11041 | 
                
              luoguP2162
  [SHOI2007] 宝石纪念币
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11043 | 
                
              luoguP2163
  [SHOI2007] 园丁的烦恼
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11042 | 
                
              luoguP2164
  [SHOI2007] 交通网络
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11090 | 
                
              luoguP2215
  [HAOI2007] 上升序列
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11091 | 
                
              luoguP2216
  [HAOI2007] 理想的正方形
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11092 | 
                
              luoguP2217
  [HAOI2007] 分割矩阵
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11093 | 
                
              luoguP2218
  [HAOI2007] 覆盖问题
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11094 | 
                
              luoguP2219
  [HAOI2007] 修筑绿化带
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11122 | 
                
              luoguP2261
  [CQOI2007] 余数求和
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10936 | 
                
              luoguP2272
  [ZJOI2007] 最大半连通子图
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11276 | 
                
              luoguP2385
  [USACO07FEB] Bronze Lilypad Pond B
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11316 | 
                
              luoguP2411
  [USACO07FEB] Silver Lilypad Pond S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11366 | 
                
              luoguP2459
  [SDOI2007] 立体分割
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11367 | 
                
              luoguP2460
  [SDOI2007] 科比的比赛
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11369 | 
                
              luoguP2462
  [SDOI2007] 游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11382 | 
                
              luoguP2470
  [SCOI2007] 压缩
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11384 | 
                
              luoguP2471
  [SCOI2007] 降雨量
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11385 | 
                
              luoguP2472
  [SCOI2007] 蜥蜴
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11573 | 
                
              luoguP2666
  [USACO07OCT] Bessie's Secret Pasture S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11596 | 
                
              luoguP2676
  [USACO07DEC] Bookshelf B
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        11597 | 
                
              luoguP2677
  [USACO07DEC] Bookshelf 2 B
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        12570 | 
                
              luoguP2776
  [SDOI2007] 小组队列
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11809 | 
                
              luoguP2868
  [USACO07DEC] Sightseeing Cows G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11810 | 
                
              luoguP2869
  [USACO07DEC] Gourmet Grazers G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11811 | 
                
              luoguP2870
  [USACO07DEC] Best Cow Line G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11812 | 
                
              luoguP2871
  [USACO07DEC] Charm Bracelet S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11813 | 
                
              luoguP2872
  [USACO07DEC] Building Roads S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11814 | 
                
              luoguP2873
  [USACO07DEC] Mud Puddles S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11815 | 
                
              luoguP2874
  [USACO07FEB] Building A New Barn G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11816 | 
                
              luoguP2875
  [USACO07FEB] The Cow Lexicon S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11817 | 
                
              luoguP2876
  [USACO07JAN] Problem Solving G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11818 | 
                
              luoguP2877
  [USACO07JAN] Cow School G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11819 | 
                
              luoguP2878
  [USACO07JAN] Protecting the Flowers S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11820 | 
                
              luoguP2879
  [USACO07JAN] Tallest Cow S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11821 | 
                
              luoguP2880
  [USACO07JAN] Balanced Lineup G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11822 | 
                
              luoguP2881
  [USACO07MAR] Ranking the Cows G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11823 | 
                
              luoguP2882
  [USACO07MAR] Face The Right Way G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11824 | 
                
              luoguP2883
  [USACO07MAR] Cow Traffic S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11825 | 
                
              luoguP2884
  [USACO07MAR] Monthly Expense S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11826 | 
                
              luoguP2885
  [USACO07NOV] Telephone Wire G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11827 | 
                
              luoguP2886
  [USACO07NOV] Cow Relays G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11828 | 
                
              luoguP2887
  [USACO07NOV] Sunscreen G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11829 | 
                
              luoguP2888
  [USACO07NOV] Cow Hurdles S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11830 | 
                
              luoguP2889
  [USACO07NOV] Milking Time S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11831 | 
                
              luoguP2890
  [USACO07OPEN] Cheapest Palindrome G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11832 | 
                
              luoguP2891
  [USACO07OPEN] Dining G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12894 | 
                
              luoguP2892
  [NOI2007] 追捕盗贼
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12134 | 
                
              luoguP3185
  [HNOI2007] 分裂游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12135 | 
                
              luoguP3186
  [HNOI2007] 所罗门的咒语
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12136 | 
                
              luoguP3187
  [HNOI2007] 最小矩形覆盖
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12137 | 
                
              luoguP3188
  [HNOI2007] 梦幻岛宝珠
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12138 | 
                
              luoguP3189
  [HNOI2007] 海盗分宝
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        12139 | 
                
              luoguP3190
  [HNOI2007] 神奇游乐园
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12140 | 
                
              luoguP3191
  [HNOI2007] 紧急疏散(EVACUATE)
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12141 | 
                
              luoguP3192
  [HNOI2007] 胜负一子
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        12405 | 
                
              luoguP3451
  [POI 2007] ATR-Tourist Attractions
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12406 | 
                
              luoguP3452
  [POI 2007] BIU-Offices
         | 
        0 / 1 | 
        5 | 
      
      
        | 
          
         | 
        12407 | 
                
              luoguP3453
  [POI 2007] DRZ-Trees
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12408 | 
                
              luoguP3454
  [POI 2007] OSI-Axes of Symmetry
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12409 | 
                
              luoguP3455
  [POI 2007] ZAP-Queries
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12410 | 
                
              luoguP3456
  [POI 2007] GRZ-Ridges and Valleys
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12411 | 
                
              luoguP3457
  [POI 2007] POW-The Flood
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12412 | 
                
              luoguP3458
  [POI 2007] SKA-Rock Garden
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12413 | 
                
              luoguP3459
  [POI 2007] MEG-Megalopolis
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12414 | 
                
              luoguP3460
  [POI 2007] TET-Tetris Attack
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12415 | 
                
              luoguP3461
  [POI 2007] KOL-Railway
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        12416 | 
                
              luoguP3462
  [POI 2007] ODW-Weights
         | 
        0 / 0 | 
        6 |