ID 题目 显示标签 隐藏标签 AC / 尝试 难度
67 P1067   [NOIP2009 普及组] 多项式输出 0 / 0 2
68 P1068   [NOIP2009 普及组] 分数线划定 0 / 0 2
69 P1069   [NOIP2009 普及组] 细胞分裂 0 / 0 4
70 P1070   [NOIP2009 普及组] 道路游戏 0 / 0 5
71 P1071   [NOIP2009 提高组] 潜伏者 0 / 0 2
72 P1072   [NOIP2009 提高组] Hankson 的趣味题 0 / 0 4
73 P1073   [NOIP2009 提高组] 最优贸易 0 / 0 4
74 P1074   [NOIP2009 提高组] 靶形数独 0 / 0 5
336 P1339   [USACO09OCT] Heat Wave G 0 / 0 3
599 P1607   [USACO09FEB] Fair Shuttle G 0 / 0 5
619 P1627   [CQOI2009] 中位数 0 / 0 4
729 P1756   [NOI2009] 描边 0 / 0 7
731 P1758   [NOI2009] 管道取珠 0 / 0 5
830 P1864   [NOI2009] 二叉查找树 0 / 0 6
877 P1912   [NOI2009] 诗人小G 0 / 0 6
900 P1938   [USACO09NOV] Job Hunt S 0 / 0 3
923 P1963   [NOI2009] 变换序列 0 / 0 6
932 P1972   [SDOI2009] HH的项链 0 / 0 5
975 P2017   [USACO09DEC] Dizzy Cows G 0 / 0 4
980 P2023   [AHOI2009] 维护序列 0 / 0 4
995 P2039   [AHOI2009] 跳棋 0 / 0 4
1007 P2051   [AHOI2009] 中国象棋 0 / 0 5
1011 P2055   [ZJOI2009] 假期的宿舍 0 / 0 5
1139 P2148   [SDOI2009] E&D 0 / 0 5
1140 P2149   [SDOI2009] Elaxia的路线 0 / 0 5
1142 P2151   [SDOI2009] HH去散步 0 / 0 6
1143 P2152   [SDOI2009] SuperGCD 0 / 0 5
1144 P2153   [SDOI2009] 晨跑 0 / 0 6
1145 P2154   [SDOI2009] 虔诚的墓主人 0 / 0 6
1147 P2156   [SDOI2009] 细胞探索 0 / 0 6
1148 P2157   [SDOI2009] 学校食堂 0 / 0 6
1150 P2159   [SHOI2009] 舞会 0 / 0 6
1152 P2161   [SHOI2009] 会场预约 0 / 0 5
1053 P2165   [AHOI2009] 飞行棋 0 / 0 3
1159 P2167   [SDOI2009] Bill的挑战 0 / 0 5
1371 P2376   [USACO09OCT] Allowance G 0 / 0 4
1487 P2407   [SDOI2009] 地图复原 0 / 0 5
1486 P2410   [SDOI2009] 最优图像 0 / 0 6
1540 P2513   [HAOI2009] 逆序对数列 0 / 0 3
1592 P2564   [SCOI2009] 生日礼物 0 / 0 5
1593 P2565   [SCOI2009] 骰子的学问 0 / 0 7
1594 P2566   [SCOI2009] 围豆豆 0 / 0 6
1616 P2591   [ZJOI2009] 函数 0 / 0 5
1619 P2594   [ZJOI2009] 染色游戏 0 / 0 6
1620 P2595   [ZJOI2009] 多米诺骨牌 0 / 0 7
1623 P2598   [ZJOI2009] 狼和羊的故事 0 / 0 6
1624 P2599   [ZJOI2009] 取石子游戏 0 / 0 6
1626 P2601   [ZJOI2009] 对称的正方形 0 / 0 6
1671 P2639   [USACO09OCT] Bessie's Weight Problem G 0 / 0 2
1682 P2657   [SCOI2009] windy 数 0 / 0 5
1865 P2805   [NOI2009] 植物大战僵尸 0 / 0 6
1982 P2928   [USACO09HOL] Cattle Bruisers G 0 / 0 6
1983 P2929   [USACO09HOL] Transmission Delay G 0 / 0 5
1984 P2930   [USACO09HOL] Holiday Painting G 0 / 0 6
1985 P2931   [USACO09HOL] Pearl Bracelet G【征集 SPJ】 0 / 0 (无)
1986 P2932   [USACO09JAN] Earthquake Damage G 0 / 0 3
1987 P2933   [USACO09JAN] The Baric Bovine G 0 / 0 5
1988 P2934   [USACO09JAN] Safe Travel G 0 / 0 6
1989 P2935   [USACO09JAN] Best Spot S 0 / 1 3
9464 P2935   [USACO09JAN] Best Spot S 0 / 0 (无)
1990 P2936   [USACO09JAN] Total Flow S 0 / 0 5
1991 P2937   [USACO09JAN] Laserphones S 0 / 0 4
1992 P2938   [USACO09FEB] Stock Market G 0 / 0 4
1993 P2939   [USACO09FEB] Revamping Trails G 0 / 0 5
1994 P2940   [USACO09FEB] The Leprechaun S 0 / 0 5
1995 P2941   [USACO09FEB] Surround the Islands S 0 / 0 5
1996 P2942   [USACO09MAR] Moon Mooing G 0 / 0 3
1997 P2943   [USACO09MAR] Cleaning Up G 0 / 0 5
1998 P2944   [USACO09MAR] Earthquake Damage 2 G 0 / 0 6
1999 P2945   [USACO09MAR] Sand Castle S 0 / 0 2
2000 P2946   [USACO09MAR] Cow Frisbee Team S 0 / 0 3
2001 P2947   [USACO09MAR] Look Up S 0 / 0 3
2002 P2948   [USACO09OPEN] Ski Lessons G 0 / 0 5
2003 P2949   [USACO09OPEN] Work Scheduling G 0 / 0 4
2004 P2950   [USACO09OPEN] Bovine Embroidery G 0 / 0 5
2005 P2951   [USACO09OPEN] Hide and Seek S 0 / 0 3
2006 P2952   [USACO09OPEN] Cow Line S 0 / 0 2
2007 P2953   [USACO09OPEN] Cow Digit Game S 0 / 0 4
2008 P2954   [USACO09OPEN] Grazing2 S 0 / 0 4
2009 P2955   [USACO09OCT] Even? Odd? G 0 / 0 1
2010 P2956   [USACO09OCT] The Robot Plow G 0 / 0 1
2011 P2957   [USACO09OCT] Barn Echoes G 0 / 0 2
2012 P2958   [USACO09OCT] Papaya Jungle G 0 / 0 2
2013 P2959   [USACO09OCT] The Leisurely Stroll G 0 / 0 2
2014 P2960   [USACO09OCT] Invasion of the Milkweed G 0 / 0 3
2015 P2961   [USACO09NOV] Who Brings the Cookies? G 0 / 0 6
2016 P2962   [USACO09NOV] Lights G 0 / 0 5
2017 P2963   [USACO09NOV] Cow Rescue G 0 / 0 6
2018 P2964   [USACO09NOV] A Coin Game S 0 / 0 5
2019 P2965   [USACO09NOV] The Grand Farm-off S 0 / 0 2
2020 P2966   [USACO09DEC] Cow Toll Paths G 0 / 0 5
2021 P2967   [USACO09DEC] Video Game Troubles G 0 / 0 5
2022 P2968   [USACO09DEC] Bobsledding S 0 / 0 4
2023 P2969   [USACO09DEC] Music Notes S 0 / 0 2
2024 P2970   [USACO09DEC] Selfish Grazing S 0 / 0 3
2215 P3153   [CQOI2009] 跳舞 0 / 0 6
2216 P3154   [CQOI2009] 循环赛 0 / 0 6
2217 P3155   [CQOI2009] 叶子的染色 0 / 0 5
2234 P3173   [HAOI2009] 巧克力 0 / 0 3
2235 P3174   [HAOI2009] 毛毛虫 0 / 0 5

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