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IDTitleRatio(AC/submit) Date
1200Crazy Search26%(10650/40177)Jan 16, 2026
1201Intervals36%(15715/42525)Jan 28, 2026
1202Family17%(150/864)Jan 16, 2026
1203Timetable22%(138/603)Jan 8, 2026
1204Word Puzzles37%(5227/13838)Feb 25, 2026
1205Water Treatment Plants53%(658/1231)Oct 14, 2025
1206Servers26%(203/778)Jan 16, 2026
1207The 3n + 1 problem30%(22399/72773)Dec 24, 2025
1208The Blocks Problem40%(5961/14640)Feb 25, 2026
1209Calendar17%(187/1059)Oct 14, 2025
1210City Directions11%(36/323)Dec 9, 2025
1211Traffic Lights32%(224/687)Oct 14, 2025
1212Eeny Meeny30%(118/381)Nov 18, 2025
1213Roman Numerals48%(203/419)Nov 21, 2025
1214"Accordian" Patience27%(662/2407)Jan 7, 2026
1215Gondwanaland Telecom31%(229/727)Jan 8, 2026
1216Simulation Wizardry52%(182/344)Oct 14, 2025
1217FOUR QUARTERS39%(521/1335)Oct 19, 2025
1218THE DRUNK JAILER59%(19451/32639)Jan 31, 2026
1219L-I-N-G-O: LINGO21%(259/1207)Oct 21, 2025
1220NUMBER BASE CONVERSION45%(3314/7350)Jan 15, 2026
1221UNIMODAL PALINDROMIC DECOMPOSITIONS49%(2974/6056)Oct 14, 2025
1222EXTENDED LIGHTS OUT58%(10803/18351)Jan 31, 2026
1223DEHUFF31%(113/363)Dec 1, 2025
1224PICTURE PUZZLE23%(106/451)Dec 9, 2025
1225STRICTLY INSCRIBED SIMILAR TRIANGLES19%(35/183)Dec 9, 2025
1226Substrings34%(6042/17375)Jan 12, 2026
1227RoboContest32%(224/681)Jan 8, 2026
1228Grandpa's Estate27%(5259/18900)Jan 28, 2026
1229Wild Domains33%(414/1225)Nov 13, 2025
1230Pass-Muraille31%(4403/13989)Oct 20, 2025
1231The Alphabet Game41%(752/1822)Oct 14, 2025
1232Microfiches17%(59/346)Dec 9, 2025
1233Street Crossing16%(102/615)Dec 9, 2025
1234Ball Toss42%(595/1392)Oct 14, 2025
1235Galactic Breakup33%(131/387)Nov 21, 2025
1236Network of Schools38%(13136/33789)Feb 25, 2026
1237The Postal Worker Rings Once53%(611/1132)Jan 8, 2026
1238Arbitrage32%(282/858)Jan 8, 2026
1239Increasing Sequences42%(2224/5216)Nov 16, 2025
1240Pre-Post-erous!60%(1766/2917)Jan 7, 2026
1241Knockout Tournament59%(584/989)Oct 14, 2025
1242Plugged In44%(224/505)Oct 14, 2025
1243One Person64%(1868/2899)Jan 8, 2026
1244Slots of Fun57%(772/1333)Oct 14, 2025
1245Programmer, Rank Thyself35%(527/1472)Jan 8, 2026
1246Hilbert Curve Intersections25%(96/374)Dec 9, 2025
1247Magnificent Meatballs64%(5139/7996)Oct 14, 2025
1248Safecracker49%(2060/4134)Nov 19, 2025
1249Oil Pipeline25%(112/439)Dec 9, 2025
1250Tanning Salon52%(4959/9445)Oct 14, 2025
1251Jungle Roads47%(22421/47657)Feb 3, 2026
1252Euro Efficiency41%(2171/5181)Jan 8, 2026
1253Markov Trains13%(71/509)Jan 8, 2026
1254Hansel and Grethel44%(1054/2365)Oct 14, 2025
1255Floors35%(212/600)Dec 9, 2025
1256Anagram39%(12047/30364)Jan 25, 2026
1257Cross-stitch.32%(154/475)Dec 9, 2025
1258Agri-Net40%(37927/93836)Feb 25, 2026
1259The Picnic29%(504/1728)Oct 14, 2025
1260Pearls49%(6670/13476)Feb 25, 2026
1261Huffman Trees17%(161/946)Dec 9, 2025
1262Input41%(347/827)Oct 14, 2025
1263Reflections40%(570/1405)Oct 14, 2025
1264SCUD Busters40%(557/1380)Jan 8, 2026
1265Area38%(3928/10168)Feb 26, 2026
1266Cover an Arc.38%(370/961)Oct 14, 2025
1267Fence23%(220/940)Jan 7, 2026
1268Forests18%(51/277)Dec 9, 2025
1269Intersecting Lines40%(10637/26318)Feb 25, 2026
1270Following Orders39%(3577/9057)Feb 26, 2026
1271Nice Milk22%(482/2147)Nov 27, 2025
1272Synchronous Design21%(94/446)Nov 21, 2025
1273Drainage Ditches39%(38898/99513)Feb 25, 2026
1274The Perfect Stall43%(14677/33913)Jan 8, 2026
1275Cashier Employment38%(4909/12781)Dec 24, 2025
1276Cash Machine37%(20709/55895)Feb 25, 2026
1277Beer Land45%(308/671)Oct 23, 2025
1278BOAT27%(169/615)Jan 7, 2026
1279Art Gallery37%(4365/11729)Jan 24, 2026
1280Game31%(222/704)Jan 7, 2026
1281MANAGER34%(1606/4713)Feb 26, 2026
1282庆典的日期14%(412/2864)Nov 17, 2025
1283Moving Computer43%(1215/2825)Jan 8, 2026
1284Primitive Roots57%(4070/7086)Feb 26, 2026
1285Combinations, Once Again33%(716/2138)Jan 7, 2026
1286Necklace of Beads38%(4793/12347)Jan 23, 2026
1287Networking50%(16176/32174)Feb 25, 2026
1288Sly Number36%(188/515)Oct 23, 2025
1289The Cat in the Hat34%(617/1769)Jan 8, 2026
1290Grandpa's Rubik Cube51%(234/454)Dec 9, 2025
1291This Sentence is False44%(593/1324)Oct 14, 2025
1292Will Indiana Jones Get There?26%(616/2359)Oct 14, 2025
1293Duty Free Shop38%(865/2259)Jan 8, 2026
1294Not Too Convex Hull21%(141/655)Dec 9, 2025
1295I hate SPAM, but some people love it43%(187/431)Oct 14, 2025
1296Noise Effect39%(157/402)Nov 20, 2025
1297Supermarket36%(683/1889)Oct 14, 2025
1298The Hardest Problem Ever52%(16187/30953)Jan 10, 2026
1299Polar Explorer34%(1539/4499)Oct 14, 2025

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