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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
3126 P4177  [CEOI2008] order 0 / 0 6
3310 P4360  [CEOI2004] 锯木厂选址 1 / 1 6
3613 P4652  [CEOI2017] One-Way Streets 0 / 0 6
3614 P4653  [CEOI2017] Sure Bet 0 / 0 4
3615 P4654  [CEOI2017] Mousetrap 0 / 0 7
3616 P4655  [CEOI2017] Building Bridges 0 / 0 6
3617 P4656  [CEOI2017] Palindromic Partitions 0 / 0 4
3618 P4657  [CEOI2017] Chase 0 / 0 6
3672 P4696  [CEOI2011] Matching 0 / 0 6
3673 P4697  [CEOI2011] Balloons 0 / 0 6
3674 P4698  [CEOI2011] Hotel 0 / 0 6
3675 P4699  [CEOI2011] Teams 0 / 0 6
3676 P4700  [CEOI2011] Traffic 0 / 0 6
3812 P4797  [CEOI2015 Day1] 波将金的路径 0 / 0 6
3813 P4798  [CEOI2015 Day1] 卡尔文球锦标赛 0 / 0 4
3814 P4799  [CEOI2015 Day2] 世界冰球锦标赛 1 / 2 4
3815 P4800  [CEOI2015 Day2] 核能国度 0 / 0 6
4499 P5513  [CEOI2013] Board 0 / 0 6
5052 P5697  [CEOI2018] toy 0 / 0 3
4928 P5937  [CEOI1999] Parity Game 0 / 0 4
4997 P5974  [CEOI2006] ANTENNA 0 / 0 6
4996 P5975  [CEOI2009] photo 0 / 0 (None)
4995 P5976  [CEOI2008] Dominance 0 / 0 4
4994 P5977  [CEOI2008] Fence 0 / 0 6
4993 P5978  [CEOI2018] Global warming 0 / 0 4
4990 P5999  [CEOI2016] kangaroo 0 / 0 6
4991 P6000  [CEOI2016] match 0 / 0 6
4992 P6001  [CEOI2016] popeala 0 / 0 6
5038 P6078  [CEOI2004] Sweets 0 / 0 6
5103 P6090  [CEOI2019] 立方填词 0 / 0 6
5104 P6092  [CEOI2012] 工作规划 0 / 0 3
5189 P6237  [CEOI2012] Printed Circuit Board 0 / 0 6
5365 P6359  [CEOI2018] Cloud computing 0 / 0 4
5366 P6360  [CEOI2018] Lottery 0 / 0 4
5364 P6361  [CEOI2018] Fibonacci representations 0 / 0 7
5529 P6517  [CEOI2010 day1] alliances 1 / 1 6
5530 P6518  [CEOI2010 day1] arithmetic 0 / 0 (None)
5531 P6519  [CEOI2010 day1] bodyguards 0 / 0 (None)
5532 P6520  [CEOI2010 day2] mp3player 0 / 0 6
5533 P6521  [CEOI2010 day2] pin 0 / 0 5
5534 P6522  [CEOI2010 day2] tower 0 / 0 4
5558 P6543  [CEOI2014] 007 0 / 0 6
5559 P6544  [CEOI2014] Cake 0 / 0 6
5560 P6545  [CEOI2014] The Wall 0 / 0 7
5879 P6801  [CEOI2020] 花式围栏 0 / 0 4
5887 P6802  [CEOI2020] 道路 0 / 0 6
5888 P6803  [CEOI2020] 星际迷航 0 / 0 6
5889 P6804  [CEOI2020] 权力药水 0 / 0 6
5890 P6805  [CEOI2020] 春季大扫除 0 / 0 6
5891 P6806  [CEOI2020] 象棋世界 0 / 0 7
5880 P6844  [CEOI2019] Building Skyscrapers 0 / 0 7
5884 P6845  [CEOI2019] Dynamic Diameter 0 / 0 6
5885 P6846  [CEOI2019] Amusement Park 1 / 1 6
5892 P6847  [CEOI2019] Magic Tree 0 / 0 6
5896 P6848  [CEOI2019] Scissors and Tape 0 / 0 7
5872 P6887  [CEOI2006] Queue 0 / 0 (None)
5875 P6888  [CEOI2006] Walk 0 / 0 (None)
5873 P6889  [CEOI2006] CONNECT 0 / 0 (None)
5874 P6890  [CEOI2006] Link 0 / 0 5
6577 P7543  [CEOI2011] Treasure Hunt 0 / 0 6
6975 P7684  [CEOI2005] Depot Rearrangement 0 / 0 6
6979 P7685  [CEOI2005] Mobile Service 0 / 0 5
6980 P7686  [CEOI2005] Multi-key Sorting 0 / 0 2
6981 P7687  [CEOI2005] Critical Network Lines 0 / 0 5
6982 P7688  [CEOI2005] Ticket Office 0 / 0 5
6983 P7689  [CEOI2002] Bugs Integrated,Inc. 0 / 0 6
6984 P7690  [CEOI2002] A decorative fence 0 / 0 4
6992 P7692  [CEOI2003] The Race 0 / 0 5
6995 P7693  [CEOI2003] Shift Register 0 / 0 (None)
7243 P8171  [CEOI2021] Diversity 0 / 0 6
7244 P8172  [CEOI2021] L-triominoes 0 / 0 6
7249 P8173  [CEOI2021] Newspapers 0 / 0 7
7254 P8174  [CEOI2021] Stones 0 / 0 5
7441 P8175  [CEOI2021] Tortoise 0 / 0 7
7442 P8176  [CEOI2021] Wells 0 / 0 7
8226 P8996  [CEOI2022] Abracadabra 0 / 0 6
8227 P8997  [CEOI2022] Homework 0 / 0 4
8228 P8998  [CEOI2022] Prize(交互,不可提交) 0 / 0 (None)
8229 P8999  [CEOI2022] Drawing 0 / 0 7
8230 P9000  [CEOI2022] Measures 0 / 0 5
8231 P9001  [CEOI2022] Parking 0 / 0 6
8460 P9269  [CEOI 2013] 新宝岛 / Treasure 0 / 0 4
8454 P9270  [CEOI 2013] 有轨电车 / Tram 0 / 0 6
8455 P9271  [CEOI 2013] 停车场 / Splot 0 / 0 6
8456 P9272  [CEOI 2013] 千岛之国 / Adritic 0 / 0 5
8457 P9273  [CEOI 2013] 灌水 / Watering 0 / 0 3
8958 P9732  [CEOI2023] Trade 0 / 0 7
10042 P10602  [CEOI 2009] Harbingers 0 / 0 6
10118 P10680  [COTS 2024] 双双决斗 Dvoboj 0 / 0 5
10119 P10681  [COTS 2024] 奇偶矩阵 Tablica 0 / 0 6
10120 P10682  [COTS 2024] 奇偶南瓜 Tikvani 0 / 0 6
10121 P10683  [COTS 2024] 划分 Particija 0 / 0 6
10122 P10684  [COTS 2024] 分割 Segregacija 0 / 0 7
10124 P10685  [COTS 2024] 兔子 Zečevi 0 / 0 6
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