ID Problem Show tags Hide tags AC / Tried Difficulty
12855 P13050  [GCJ 2020 Qualification] Parenting Partnering Returns 0 / 0 3
12861 P13056  [GCJ 2020 #1B] Expogo 0 / 0 4
12866 P13061  [GCJ 2020 #1C] Oversized Pancake Choppers 0 / 0 6
12872 P13067  [GCJ 2020 #3] Thermometers 0 / 0 6
12710 P13080  [NOISG 2017] Best Places / 最佳选址 0 / 0 2
12896 P13112  [GCJ 2019 #1C] Robot Programming Strategy 0 / 0 4
12900 P13116  [GCJ 2019 #2] Pottery Lottery 0 / 0 5
13134 P13132  [GCJ 2018 Qualification] Saving The Universe Again 0 / 0 2
13141 P13139  [GCJ 2018 #1B] Rounding Error 0 / 0 4
13147 P13145  [GCJ 2018 #2] Falling Balls 0 / 0 3
13162 P13158  [GCJ 2017 Qualification] Oversized Pancake Flipper 0 / 0 3
13163 P13159  [GCJ 2017 Qualification] Tidy Numbers 0 / 0 3
13165 P13161  [GCJ 2017 Qualification] Fashion Show 0 / 0 6
13166 P13162  [GCJ 2017 #1A] Alphabet Cake 0 / 0 3
13167 P13163  [GCJ 2017 #1A] Ratatouille 0 / 0 4
13173 P13169  [GCJ 2017 #1C] Parenting Partnering 0 / 0 4
13175 P13171  [GCJ 2017 #2] Fresh Chocolate 0 / 0 3
13176 P13172  [GCJ 2017 #2] Roller Coaster Scheduling 0 / 0 4
13181 P13177  [GCJ 2017 #3] Mountain Tour 0 / 0 6
13185 P13180  [GCJ 2017 Finals] Operation 0 / 0 6
13195 P13189  [GCJ 2016 #1A] The Last Word 0 / 0 2
13198 P13192  [GCJ 2016 #1B] Getting the Digits 0 / 0 2
13199 P13193  [GCJ 2016 #1B] Close Match 0 / 0 4
13204 P13198  [GCJ 2016 #2] Rather Perplexing Showdown 0 / 0 3
13206 P13200  [GCJ 2016 #2] The Gardener of Seville 0 / 0 6
13208 P13202  [GCJ 2016 #3] Teaching Assistant 0 / 0 3
13215 P13209  [GCJ 2016 Finals] Map Reduce 0 / 0 7
13218 P13211  [GCJ 2015 Qualification] Standing Ovation 0 / 0 2
13219 P13212  [GCJ 2015 Qualification] Infinite House of Pancakes 0 / 0 3
13222 P13215  [GCJ 2015 #1A] Mushroom Monster 0 / 0 2
13225 P13218  [GCJ 2015 #1B] Counter Culture 0 / 0 4
13226 P13219  [GCJ 2015 #1B] Noisy Neighbors 0 / 0 4
13228 P13221  [GCJ 2015 #1C] Brattleship 0 / 0 2
13230 P13223  [GCJ 2015 #1C] Less Money, More Problems 0 / 0 4
13232 P13225  [GCJ 2015 #2] Kiddie Pool 0 / 0 4
13236 P13229  [GCJ 2015 #3] Smoothing Window 0 / 0 5
12957 P13239  「2.48sOI R1」化妆品 0 / 0 3
13247 P13244  [GCJ 2014 Qualification] Cookie Clicker Alpha 0 / 0 3
13249 P13246  [GCJ 2014 Qualification] Deceitful War 0 / 0 4
13253 P13250  [GCJ 2014 #1B] The Repeater 0 / 0 3
13255 P13252  [GCJ 2014 #1B] The Bored Traveling Salesman 0 / 0 6
13258 P13255  [GCJ 2014 #1C] Enclosure 0 / 0 6
13259 P13256  [GCJ 2014 #2] Data Packing 0 / 0 2
13260 P13257  [GCJ 2014 #2] Up and Down 0 / 0 3
13265 P13262  [GCJ 2014 #3] Crime House 0 / 0 6
13267 P13264  [GCJ 2014 Finals] Checkerboard Matrix 0 / 0 5
13270 P13267  [GCJ 2014 Finals] Paradox Sort 0 / 0 6
13081 P13279  「CZOI-R4」生长的树 0 / 0 4
13276 P13282  [GCJ 2013 Qualification] Lawnmower 0 / 0 3
13280 P13286  [GCJ 2013 #1A] Manage your Energy 0 / 0 4
13288 P13288  [GCJ 2013 #1B] Osmos 0 / 0 2
13294 P13292  [GCJ 2013 #1C] Pogo 0 / 0 5
13296 P13294  [GCJ 2013 #2] Ticket Swapping 0 / 0 3
13297 P13295  [GCJ 2013 #2] Many Prizes 0 / 0 4
13298 P13296  [GCJ 2013 #2] Erdős–Szekeres 0 / 0 5
13300 P13298  [GCJ 2013 #3] Cheaters 0 / 0 4
13311 P13312  [GCJ 2012 Qualification] Dancing With the Googlers 0 / 0 3
13315 P13316  [GCJ 2012 #1A] Kingdom Rush 0 / 0 4
13326 P13324  [GCJ 2012 #2] Swinging Wild 0 / 0 4
13327 P13325  [GCJ 2012 #2] Aerobics 0 / 0 4
13328 P13326  [GCJ 2012 #2] Mountain View 0 / 0 5
13332 P13328  [GCJ 2012 #3] Perfect Game 0 / 0 5
13337 P13333  [GCJ 2012 Finals] Upstairs/Downstairs 0 / 0 5
13343 P13339  [EGOI 2025] Gift Boxes 0 / 0 3
13363 P13359  [GDCPC 2024] 不等式 0 / 0 4
13368 P13363  [GCJ 2011 Qualification] Candy Splitting 0 / 0 3
13374 P13369  [GCJ 2011 #1B] Revenge of the Hot Dogs 0 / 0 4
13376 P13371  [GCJ 2011 #1C] Square Tiles 0 / 0 2
13377 P13372  [GCJ 2011 #1C] Space Emergency 0 / 0 3
13379 P13374  [GCJ 2011 #2] Airport Walkways 0 / 0 3
13384 P13379  [GCJ 2011 #3] Dire Straights 0 / 0 4
13391 P13385  [GCJ 2011 Finals] Ace in the Hole 0 / 0 7
13401 P13394  [GCJ 2010 #1B] Picking Up Chicks 0 / 0 3
13416 P13409  [GCJ 2010 Finals] Candy Store 0 / 0 5
13428 P13416  [COCI 2012/2013 #4] RAZLIKA 0 / 0 3
13434 P13422  [COCI 2019/2020 #4] Pod starim krovovima 0 / 0 2
13449 P13437  [GCJ 2009 #1C] All Your Base 0 / 0 2
13452 P13440  [GCJ 2009 #2] Crazy Rows 0 / 0 2
13467 P13454  [GCJ 2008 Qualification] Saving the Universe 0 / 0 2
13468 P13455  [GCJ 2008 Qualification] Train Timetable 0 / 0 3
13470 P13457  [GCJ 2008 #1A] Minimum Scalar Product 0 / 0 2
13471 P13458  [GCJ 2008 #1A] Milkshakes 0 / 0 4
13476 P13463  [GCJ 2008 #1C] Text Messaging Outrage 0 / 0 2
13491 P13478  [GCJ 2008 AMER SemiFinal] Mixing Bowls 0 / 0 3
13496 P13483  [GCJ 2008 EMEA SemiFinal] Painting a Fence 0 / 0 4
13131 P13500  「Cfz Round 6」Kyu-kurarin 0 / 0 3
13040 P13503  [OOI 2024] Evidence Board 0 / 0 5
13041 P13504  [OOI 2024] More Gifts 0 / 0 5
13514 P13516  [KOI 2025 #1] 快递运输 0 / 0 5
13515 P13517  [KOI 2025 #2] 障碍物 0 / 0 2
13516 P13518  [KOI 2025 #2] 镜子 0 / 0 2
13536 P13532  [OOI 2023] Buying gifts / 购买礼物 0 / 0 4
12935 P13552  鱼类考古学 0 / 0 6
12951 P13565  「CZOI-R5」按位或 0 / 0 4
13593 P13590  [NWRRC 2023] Jumping Frogs 0 / 0 3
13596 P13593  [NWRRC 2023] Missing Vowels 0 / 0 3
13029 P13594  『GTOI - 1A』Bath 0 / 0 2
13617 P13630  [NWRRC 2021] Clean Up! 0 / 0 4
13069 P13642  EERT 0 / 0 4
13641 P13646  [NOISG 2016] LunchBox 0 / 0 2

Categories

Lucky

Pick a problem randomly based on the current filter.