AtCoder problems sorted into topics by AtCoder Categories, easy to hard within each topic, with the ones I've solved marked.
2,697 problems · 94 topics · 40 solved
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2,697 problems found
- B. Making TriangleABC175abc175_b0
- C. Kaprekar NumberABC192abc192_c0
- A. Tiny Arithmetic SequenceABC201abc201_a0
- B. Do you know the second highest mountain?ABC201abc201_b0
- B. Permutation CheckABC205abc205_b0Solved
- B. Booby PrizeABC213abc213_b0
- B. How many?ABC214abc214_b0
- C. Inverse of PermutationABC217abc217_c0
- A. Distinct StringsABC225abc225_a0
- B. Count Distinct IntegersABC240abc240_b0
- B. Minimize OrderingABC242abc242_b0
- A. Median?ABC253abc253_a0
- A. A Unique LetterABC260abc260_a0Solved
- A. Full HouseABC263abc263_a0
- B. Adjacency ListABC276abc276_b0
- B. Qualification ContestABC288abc288_b0
- B. Trimmed MeanABC291abc291_b0
- A. Water StationABC305abc305_a0
- B. MissingNo.ABC317abc317_b0
- B. Round-Robin TournamentABC323abc323_b0
- B. Extended ABCABC337abc337_b0
- B. AtCoder Janken 2ABC354abc354_b0
- B. Piano 2ABC355abc355_b0
- B. Japanese Cursed DollABC363abc363_b0
- B. Second BestABC365abc365_b0
- B. Decrease 2 max elementsABC368abc368_b0
- A. Full House 2ABC386abc386_a0
- A. Shuffled EquationABC392abc392_a0
- B. Who is Missing?ABC392abc392_b0
- B. catABC394abc394_b0
- B. Full House 3ABC398abc398_b0
- C. UniquenessABC398abc398_c0
- A. Not FoundABC404abc404_a0
- B. CompressionABC408abc408_b0
- B. CitationABC409abc409_b0
- B. The Odd One OutABC426abc426_b0
- B. Most Frequent SubstringsABC428abc428_b0
- A. Permute to MaximizeABC432abc432_a0
- B. Permute to MinimizeABC432abc432_b0
- B. Bird WatchingABC434abc434_b0
- B. TrifectaABC440abc440_b0
- A. RepdigitABC444abc444_a0
- B. Pepper AddictionABC448abc448_b0
- B. 456ABC456abc456_b0
- A. Fourtune CookiesARC105arc105_a0
- A. Toasts for Breakfast PartyARC167arc167_a3
- C. Chokutter AddictionABC443abc443_c8
- C. DebugABC394abc394_c36
- C. CheeseABC229abc229_c45Solved
- C. Yamanote Line GameABC244abc244_c46
- C. Third Largest NumberABC476abc476_c47
- C. Max EvenABC272abc272_c51
- C. Friends and Travel costsABC203abc203_c54
- C. SwappableABC206abc206_c60Solved
- C. One More aab aba baaABC215abc215_c76
- C. Perfect StandingsABC384abc384_c95
- C. LRUD Instructions 2ABC291abc291_c97
- C. Minimum GluttonABC364abc364_c101
- B. Who is Saikyo?ABC313abc313_b147
- C. Final DayABC228abc228_c149
- B. CutoffABC321abc321_b160
- B. Strictly SuperiorABC310abc310_b171
- C. Min DifferenceABC212abc212_c205
- D. Colorful Bracket SequenceABC394abc394_d216
- C. Repunit TrioABC333abc333_c224
- C. Except and MinABC448abc448_c231
- C. RANDOMABC279abc279_c246
- C. Not EqualABC209abc209_c264
- A. Make MARC161arc161_a265
- C. Sum of Numbers Greater Than MeABC331abc331_c268
- C. Buy BallsABC396abc396_c273
- C. Monotonically IncreasingABC263abc263_c282
- C. Not Covered PointsABC462abc462_c282
- C. FlavorsABC315abc315_c312
- C. VarietyABC461abc461_c325
- C. Make Them NarrowABC361abc361_c337
- C. MedicineABC309abc309_c344
- A. Max Mod MinARC147arc147_a347
- B. Light It UpABC255abc255_b348
- C. World Tour FinalsABC323abc323_c354
- C. Swiss-System TournamentABC222abc222_c366
- C. (K+1)-th Largest NumberABC273abc273_c369
- C. Select MulABC221abc221_c378
- C. SubmaskABC269abc269_c384
- C. Previous PermutationABC276abc276_c389
- C. SortABC350abc350_c394
- C. Sake or WaterABC441abc441_c406
- C. AtCoder MagicsABC354abc354_c441
- C. Cards Query ProblemABC298abc298_c448
- C. Find it!ABC311abc311_c448
- A. Sort Left and RightARC181arc181_a456
- A. 2nd Greatest DistanceARC121arc121_a459
- C. Almost EqualABC302abc302_c469
- C. Reorder CardsABC213abc213_c481
- B. Many OrangesABC195abc195_b483
- C. Reindeer and Sleigh 2ABC437abc437_c489
- D. StampABC185abc185_d490
- C. CrossABC300abc300_c534
- A. Median of Good SequencesARC183arc183_a539
- A. Banned X 2ARC211arc211_a550
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