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ID Problem Show tags Hide tags AC / Tried Difficulty
262 P1263  [CEOI2002] Royal guards 0 / 0 6
615 P1623  [CEOI2007] 树的匹配 Treasury 0 / 0 6
3136 P4177  [CEOI2008] order 0 / 0 6
3320 P4360  [CEOI2004] 锯木厂选址 0 / 0 6
3623 P4652  [CEOI2017] One-Way Streets 0 / 0 6
3625 P4654  [CEOI2017] Mousetrap 0 / 0 7
3626 P4655  [CEOI2017] Building Bridges 0 / 0 6
3627 P4656  [CEOI2017] Palindromic Partitions 0 / 0 4
3628 P4657  [CEOI2017] Chase 0 / 0 6
3683 P4696  [CEOI2011] Matching 0 / 0 6
3684 P4697  [CEOI2011] Balloons 0 / 0 6
3685 P4698  [CEOI2011] Hotel 0 / 0 6
3686 P4699  [CEOI2011] Teams 0 / 0 6
3687 P4700  [CEOI2011] Traffic 0 / 0 6
3823 P4797  [CEOI2015 Day1] 波将金的路径 0 / 0 6
3824 P4798  [CEOI2015 Day1] 卡尔文球锦标赛 0 / 0 4
3825 P4799  [CEOI2015 Day2] 世界冰球锦标赛 1 / 1 4
3826 P4800  [CEOI2015 Day2] 核能国度 0 / 0 6
4511 P5513  [CEOI2013] Board 0 / 0 6
5067 P5697  [CEOI2018] toy 0 / 0 3
4943 P5937  [CEOI1999] Parity Game 0 / 0 4
5012 P5974  [CEOI2006] ANTENNA 0 / 0 6
5011 P5975  [CEOI2009] photo 0 / 0 (None)
5010 P5976  [CEOI2008] Dominance 0 / 0 4
5009 P5977  [CEOI2008] Fence 0 / 0 6
5008 P5978  [CEOI2018] Global warming 0 / 0 4
5005 P5999  [CEOI2016] kangaroo 0 / 0 6
5006 P6000  [CEOI2016] match 0 / 0 6
5007 P6001  [CEOI2016] popeala 0 / 0 6
5053 P6078  [CEOI2004] Sweets 0 / 0 6
5118 P6090  [CEOI2019] 立方填词 0 / 0 6
5119 P6092  [CEOI2012] 工作规划 0 / 0 3
5204 P6237  [CEOI2012] Printed Circuit Board 0 / 0 6
5380 P6359  [CEOI2018] Cloud computing 0 / 0 4
5381 P6360  [CEOI2018] Lottery 0 / 0 4
5379 P6361  [CEOI2018] Fibonacci representations 0 / 0 7
5545 P6517  [CEOI2010 day1] alliances 0 / 0 6
5546 P6518  [CEOI2010 day1] arithmetic 0 / 0 (None)
5547 P6519  [CEOI2010 day1] bodyguards 0 / 0 (None)
5548 P6520  [CEOI2010 day2] mp3player 0 / 0 6
5549 P6521  [CEOI2010 day2] pin 0 / 0 5
5550 P6522  [CEOI2010 day2] tower 0 / 0 4
5574 P6543  [CEOI2014] 007 0 / 0 6
5575 P6544  [CEOI2014] Cake 0 / 0 6
5576 P6545  [CEOI2014] The Wall 0 / 0 7
5895 P6801  [CEOI2020] 花式围栏 0 / 0 4
5903 P6802  [CEOI2020] 道路 0 / 0 6
5904 P6803  [CEOI2020] 星际迷航 0 / 0 6
5905 P6804  [CEOI2020] 权力药水 0 / 0 6
5906 P6805  [CEOI2020] 春季大扫除 0 / 0 6
5907 P6806  [CEOI2020] 象棋世界 0 / 0 7
5896 P6844  [CEOI2019] Building Skyscrapers 0 / 0 7
5900 P6845  [CEOI2019] Dynamic Diameter 0 / 0 6
5901 P6846  [CEOI2019] Amusement Park 0 / 0 6
5908 P6847  [CEOI2019] Magic Tree 0 / 0 6
5912 P6848  [CEOI2019] Scissors and Tape 0 / 0 7
5888 P6887  [CEOI2006] Queue 0 / 0 (None)
5891 P6888  [CEOI2006] Walk 0 / 0 (None)
5889 P6889  [CEOI2006] CONNECT 0 / 0 (None)
5890 P6890  [CEOI2006] Link 0 / 0 5
6605 P7543  [CEOI2011] Treasure Hunt 0 / 0 6
7004 P7684  [CEOI2005] Depot Rearrangement 0 / 0 6
7008 P7685  [CEOI2005] Mobile Service 0 / 0 5
7009 P7686  [CEOI2005] Multi-key Sorting 0 / 0 2
7010 P7687  [CEOI2005] Critical Network Lines 0 / 0 5
7011 P7688  [CEOI2005] Ticket Office 0 / 0 5
7012 P7689  [CEOI2002] Bugs Integrated,Inc. 0 / 0 6
7013 P7690  [CEOI2002] A decorative fence 0 / 0 4
7021 P7692  [CEOI2003] The Race 0 / 0 5
7024 P7693  [CEOI2003] Shift Register 0 / 0 (None)
7272 P8171  [CEOI2021] Diversity 0 / 0 6
7273 P8172  [CEOI2021] L-triominoes 0 / 0 6
7278 P8173  [CEOI2021] Newspapers 0 / 0 7
7283 P8174  [CEOI2021] Stones 0 / 0 5
7470 P8175  [CEOI2021] Tortoise 0 / 0 7
7471 P8176  [CEOI2021] Wells 0 / 0 7
8277 P8996  [CEOI2022] Abracadabra 0 / 0 6
8278 P8997  [CEOI2022] Homework 0 / 0 4
8279 P8998  [CEOI2022] Prize(交互,不可提交) 0 / 0 (None)
8280 P8999  [CEOI2022] Drawing 0 / 0 7
8281 P9000  [CEOI2022] Measures 0 / 0 5
8282 P9001  [CEOI2022] Parking 0 / 0 6
8512 P9269  [CEOI 2013] 新宝岛 / Treasure 0 / 0 4
8502 P9270  [CEOI 2013] 有轨电车 / Tram 0 / 0 6
8503 P9271  [CEOI 2013] 停车场 / Splot 0 / 0 6
8504 P9272  [CEOI 2013] 千岛之国 / Adritic 0 / 0 5
8505 P9273  [CEOI 2013] 灌水 / Watering 0 / 0 3
9018 P9730  [CEOI2023] Grading Server 0 / 0 7
9022 P9731  [CEOI2023] Balance 0 / 0 6
9017 P9732  [CEOI2023] Trade 0 / 0 7
9016 P9733  [CEOI2023] The Ties That Guide Us (incursion) 0 / 0 6
10048 P10602  [CEOI 2009] Harbingers 0 / 0 6
10126 P10680  [COTS 2024] 双双决斗 Dvoboj 0 / 0 5
10127 P10681  [COTS 2024] 奇偶矩阵 Tablica 0 / 0 6
10128 P10682  [COTS 2024] 奇偶南瓜 Tikvani 0 / 0 6
10129 P10683  [COTS 2024] 划分 Particija 0 / 0 6
10130 P10684  [COTS 2024] 分割 Segregacija 0 / 0 7
10132 P10685  [COTS 2024] 兔子 Zečevi 0 / 0 6
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