| 
          
         | 
        8677 | 
                
              8677
  「一本通 2.1 练习 4」A Horrible Poem
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8697 | 
                
              8697
  「一本通 2.4 练习 1」玄武密码
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8738 | 
                
              8738
  「一本通 3.6 例 2」矿场搭建
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8826 | 
                
              8826
  「一本通 5.6 例 3」任务安排 3
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        8838 | 
                
              8838
  「一本通 6.2 练习 1」质因数分解
         | 
        1 / 4 | 
        10 | 
      
      
        | 
          
         | 
        8880 | 
                
              8880
  「一本通 6.6 练习 11」树屋阶梯
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9957 | 
                
              luoguP1075
  [NOIP 2012 普及组] 质因数分解
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9958 | 
                
              luoguP1076
  [NOIP 2012 普及组] 寻宝
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9959 | 
                
              luoguP1077
  [NOIP 2012 普及组] 摆花
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9960 | 
                
              luoguP1078
  [NOIP 2012 普及组] 文化之旅
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9961 | 
                
              luoguP1079
  [NOIP 2012 提高组] Vigenère 密码
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9962 | 
                
              luoguP1080
  [NOIP 2012 提高组] 国王游戏
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9963 | 
                
              luoguP1081
  [NOIP 2012 提高组] 开车旅行
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9964 | 
                
              luoguP1082
  [NOIP 2012 提高组] 同余方程
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9965 | 
                
              luoguP1083
  [NOIP 2012 提高组] 借教室
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9966 | 
                
              luoguP1084
  [NOIP 2012 提高组] 疫情控制
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10425 | 
                
              luoguP1552
  [APIO2012] 派遣
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10434 | 
                
              luoguP1561
  [USACO12JAN] Mountain Climbing S
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10698 | 
                
              luoguP1848
  [USACO12OPEN] Bookshelf G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10699 | 
                
              luoguP1849
  [USACO12MAR] Tractor S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10726 | 
                
              luoguP1877
  [HAOI2012] 音量调节
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        10733 | 
                
              luoguP1884
  [USACO12FEB] Overplanting S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10887 | 
                
              luoguP2044
  [NOI2012] 随机数生成器
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10893 | 
                
              luoguP2050
  [NOI2012] 美食节
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10922 | 
                
              luoguP2081
  [NOI2012] 迷失游乐园
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10927 | 
                
              luoguP2086
  [NOI2012] 魔幻棋盘
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11012 | 
                
              luoguP2173
  [ZJOI2012] 网络
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11014 | 
                
              luoguP2179
  [NOI2012] 骑行川藏
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11095 | 
                
              luoguP2220
  [HAOI2012] 容易题
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11096 | 
                
              luoguP2221
  [HAOI2012] 高速公路
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11123 | 
                
              luoguP2260
  [清华集训 2012] 模积和
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11232 | 
                
              luoguP2303
  [SDOI2012] Longge 的问题
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11213 | 
                
              luoguP2336
  [SCOI2012] 喵星球上的点名
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11214 | 
                
              luoguP2337
  [SCOI2012] 喵星人的入侵
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11225 | 
                
              luoguP2350
  [HAOI2012] 外星人
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11231 | 
                
              luoguP2351
  [SDOI2012] 吊灯
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11329 | 
                
              luoguP2423
  [HEOI2012] 朋友圈
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11410 | 
                
              luoguP2496
  [SDOI2012] 体育课
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11411 | 
                
              luoguP2497
  [SDOI2012] 基站建设
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11412 | 
                
              luoguP2498
  [SDOI2012] 拯救小云公主
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11413 | 
                
              luoguP2499
  [SDOI2012] 象棋
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11414 | 
                
              luoguP2500
  [SDOI2012] 集合
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11420 | 
                
              luoguP2505
  [HAOI2012] 道路
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11446 | 
                
              luoguP2532
  [AHOI2012] 树屋阶梯
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11447 | 
                
              luoguP2533
  [AHOI2012] 信号塔
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11448 | 
                
              luoguP2534
  [AHOI2012] 铁盘整理
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11449 | 
                
              luoguP2535
  [AHOI2012] 收集资源
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11489 | 
                
              luoguP2573
  [SCOI2012] 滑雪
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11509 | 
                
              luoguP2597
  [ZJOI2012] 灾难
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11521 | 
                
              luoguP2609
  [ZJOI2012] 数列
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11241 | 
                
              luoguP2610
  [ZJOI2012] 旅游
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11523 | 
                
              luoguP2611
  [ZJOI2012] 小蓝的好友
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11524 | 
                
              luoguP2612
  [ZJOI2012] 波浪
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11577 | 
                
              luoguP2667
  [TJOI2012] 防御
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11604 | 
                
              luoguP2685
  [TJOI2012] 桥
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11615 | 
                
              luoguP2698
  [USACO12MAR] Flowerpot S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11979 | 
                
              luoguP3039
  [USACO12JAN] Delivery Route S
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11980 | 
                
              luoguP3040
  [USACO12JAN] Bale Share S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11981 | 
                
              luoguP3041
  [USACO12JAN] Video Game G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11982 | 
                
              luoguP3042
  [USACO12JAN] Cow Run G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11983 | 
                
              luoguP3043
  [USACO12JAN] Bovine Alliance G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11984 | 
                
              luoguP3044
  [USACO12FEB] Relocation S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11985 | 
                
              luoguP3045
  [USACO12FEB] Cow Coupons G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11986 | 
                
              luoguP3046
  [USACO12FEB] Symmetry G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11987 | 
                
              luoguP3047
  [USACO12FEB] Nearby Cows G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11988 | 
                
              luoguP3048
  [USACO12FEB] Cow IDs S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11989 | 
                
              luoguP3049
  [USACO12MAR] Landscaping S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11990 | 
                
              luoguP3050
  [USACO12MAR] Large Banner G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11991 | 
                
              luoguP3051
  [USACO12MAR] Haybale Restacking G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11992 | 
                
              luoguP3052
  [USACO12MAR] Cows in a Skyscraper G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11993 | 
                
              luoguP3053
  [USACO12OPEN] Unlocking Blocks S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11994 | 
                
              luoguP3054
  [USACO12OPEN] Running Laps S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11995 | 
                
              luoguP3055
  [USACO12OPEN] Tied Down G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11996 | 
                
              luoguP3056
  [USACO12NOV] Clumsy Cows S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11997 | 
                
              luoguP3057
  [USACO12NOV] Distant Pastures S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11998 | 
                
              luoguP3058
  [USACO12NOV] Balanced Cow Breeds G/S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11999 | 
                
              luoguP3059
  [USACO12NOV] Concurrently Balanced Strings G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12000 | 
                
              luoguP3060
  [USACO12NOV] Balanced Trees G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12001 | 
                
              luoguP3061
  [USACO12DEC] Crazy Fences S
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12002 | 
                
              luoguP3062
  [USACO12DEC] Wifi Setup S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        12003 | 
                
              luoguP3063
  [USACO12DEC] Milk Routing S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12004 | 
                
              luoguP3064
  [USACO12DEC] Gangs of Istanbull/Cowstantinople G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12005 | 
                
              luoguP3065
  [USACO12DEC] First! G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12006 | 
                
              luoguP3066
  [USACO12DEC] Running Away From the Barn G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12007 | 
                
              luoguP3067
  [USACO12OPEN] Balanced Cow Subsets G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12108 | 
                
              luoguP3159
  [CQOI2012] 交换棋子
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12109 | 
                
              luoguP3160
  [CQOI2012] 局部极小值
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12110 | 
                
              luoguP3161
  [CQOI2012] 模拟工厂
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12111 | 
                
              luoguP3162
  [CQOI2012] 组装
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12168 | 
                
              luoguP3219
  [HNOI2012] 三角形覆盖问题
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12169 | 
                
              luoguP3220
  [HNOI2012] 与非
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12170 | 
                
              luoguP3221
  [HNOI2012] 双十字
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12171 | 
                
              luoguP3222
  [HNOI2012] 射箭
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12172 | 
                
              luoguP3223
  [HNOI2012] 排队
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12173 | 
                
              luoguP3224
  [HNOI2012] 永无乡
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12174 | 
                
              luoguP3225
  [HNOI2012] 矿场搭建
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12175 | 
                
              luoguP3226
  [HNOI2012] 集合选数
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12200 | 
                
              luoguP3251
  [JLOI2012] 时间流逝
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12201 | 
                
              luoguP3252
  [JLOI2012] 树
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        12483 | 
                
              luoguP3530
  [POI 2012] FES-Festival
         | 
        0 / 0 | 
        5 |