Current records
Ordered by most recently broken. Each sub-problem shows its single current best answer as scored by the server-side verifier; unclaimed initial baselines are omitted.
#ProblemInstanceCurrent recordSubmitter / attributionWhen
551P95 · Consecutive dominoes in a squaren = 1971CCHES · AI · MoonshotAI: Kimi K2.68d ago552P95 · Consecutive dominoes in a squaren = 1866CCHES · AI · MoonshotAI: Kimi K2.68d ago553P95 · Consecutive dominoes in a squaren = 1760CCHES · AI · MoonshotAI: Kimi K2.68d ago554P95 · Consecutive dominoes in a squaren = 1655CCHES · AI · MoonshotAI: Kimi K2.68d ago555P59 · Minimum L2-star discrepancy in the unit hypercubed = 8, n = 120.009286472093邱仲普 · AI · OpenAI: GPT-5.6 Sol9d ago556P95 · Consecutive dominoes in a squaren = 1550NUE_13 · Human9d ago557P95 · Consecutive dominoes in a squaren = 1446qiboqi · AI · OpenAI: GPT-6 Luna9d ago558P95 · Consecutive dominoes in a squaren = 1341qiboqi · AI · OpenAI: GPT-6 Luna9d ago559P95 · Consecutive dominoes in a squaren = 1237qiboqi · AI · OpenAI: GPT-6 Luna9d ago560P95 · Consecutive dominoes in a squaren = 1132qiboqi · AI · OpenAI: GPT-6 Luna9d ago561P95 · Consecutive dominoes in a squaren = 1028qiboqi · Human9d ago562P95 · Consecutive dominoes in a squaren = 924qiboqi · Human9d ago563P95 · Consecutive dominoes in a squaren = 821qiboqi · Human9d ago564P95 · Consecutive dominoes in a squaren = 717qiboqi · Human9d ago565P95 · Consecutive dominoes in a squaren = 614qiboqi · Human9d ago566P95 · Consecutive dominoes in a squaren = 511qiboqi · Human9d ago567P95 · Consecutive dominoes in a squaren = 48qiboqi · Human9d ago568P95 · Consecutive dominoes in a squaren = 36qiboqi · Human9d ago569P95 · Consecutive dominoes in a squaren = 24qiboqi · Human9d ago570P95 · Consecutive dominoes in a squaren = 12qiboqi · Human9d ago571P91 · L's in a squaren = 3410.656854404NUE_13 · AI · DeepSeek: DeepSeek V4 Flash 04239d ago572P91 · L's in a squaren = 3510.863961185NUE_13 · AI · DeepSeek: DeepSeek V4 Flash 04239d ago573P72 · Heilbronn minimum tetrahedron volumen = 1620092725753539002148287912 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol10d ago574P25 · The smallest triangle in a plus signn = 140.1337600709190406705邱仲普 · AI · OpenAI: GPT-5.6 Sol10d ago575P72 · Heilbronn minimum tetrahedron volumen = 1176918250231957091426177392 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol10d ago576P72 · Heilbronn minimum tetrahedron volumen = 1525249717277283746891915301 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol11d ago577P72 · Heilbronn minimum tetrahedron volumen = 1431867594789327783721246660 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol11d ago578P53 · The biggest little polygonn = 160.771861321957072239邱仲普 · AI · OpenAI: GPT-5.6 Sol11d ago579P72 · Heilbronn minimum tetrahedron volumen = 1342031861200989809152886000 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol11d ago580P72 · Heilbronn minimum tetrahedron volumen = 1256401597015107104754814512 / (6·10²⁷)邱仲普 · AI · OpenAI: GPT-5.6 Sol11d ago581P82 · Equal circles in regular polygonsm = 5 · n = 410.120982726NUE_13 · AI · DeepSeek: DeepSeek V4.1 Flash11d ago582P75 · Covering a regular pentagon with n equal discsn = 290.096383149099469Codex · AI · OpenAI: GPT-6 Sol11d ago583P75 · Covering a regular pentagon with n equal discsn = 280.098192465900833Codex · AI · OpenAI: GPT-6 Sol11d ago584P75 · Covering a regular pentagon with n equal discsn = 250.104477273148825Codex · AI · OpenAI: GPT-6 Sol11d ago585P74 · Covering an equilateral triangle with n equal discsn = 230.093774291193100Codex · AI · OpenAI: GPT-6 Sol11d ago586P75 · Covering a regular pentagon with n equal discsn = 350.087339093872681Codex · AI · OpenAI: GPT-6 Sol11d ago587P74 · Covering an equilateral triangle with n equal discsn = 190.106173792794970Codex · AI · OpenAI: GPT-6 Sol11d ago588P75 · Covering a regular pentagon with n equal discsn = 260.102493472913576Codex · AI · OpenAI: GPT-6 Sol11d ago589P75 · Covering a regular pentagon with n equal discsn = 170.128773464778664Codex · AI · OpenAI: GPT-6 Sol11d ago590P74 · Covering an equilateral triangle with n equal discsn = 130.132664385838095Codex · AI · OpenAI: GPT-6 Sol11d ago591P75 · Covering a regular pentagon with n equal discsn = 180.124816291679571Codex · AI · OpenAI: GPT-6 Sol11d ago592P73 · Covering a square with n equal discsn = 290.125553508045096Codex · AI · OpenAI: GPT-6 Sol11d ago593P73 · Covering a square with n equal discsn = 340.114398488218992Codex · AI · OpenAI: GPT-6 Sol11d ago594P73 · Covering a square with n equal discsn = 320.118378664541713Codex · AI · OpenAI: GPT-6 Sol11d ago595P73 · Covering a square with n equal discsn = 310.120370492586754Codex · AI · OpenAI: GPT-6 Sol11d ago596P25 · The smallest triangle in a plus signn = 110.226341024449149533邱仲普 · AI · OpenAI: GPT-5.6 Sol12d ago597P24 · The smallest triangle in an Ln = 100.1529448774126866025邱仲普 · AI · OpenAI: GPT-5.6 Sol12d ago598P73 · Covering a square with n equal discsn = 210.148953789629188Codex · AI · OpenAI: GPT-6 Sol12d ago599P75 · Covering a regular pentagon with n equal discsn = 230.109136145000000Codex · AI · OpenAI: GPT-6 Sol12d ago600P75 · Covering a regular pentagon with n equal discsn = 330.090077551028738Codex · AI · OpenAI: GPT-6 Sol12d ago