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Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
1600Centipede Collisions26%(89/338)Jan 8, 2026
1601Pizza Anyone?35%(294/822)Dec 10, 2025
1602Zip18%(223/1208)Dec 9, 2025
1603Risk44%(1608/3589)Nov 20, 2025
1604Just the Facts52%(5144/9859)Jan 8, 2026
1605Horse Shoe Scoring23%(40/171)Dec 9, 2025
1606Jugs52%(3464/6657)Nov 21, 2025
1607Deck42%(3889/9096)Dec 9, 2025
1608Banal Tickets12%(221/1828)Jan 7, 2026
1609Tiling Up Blocks39%(2556/6520)Nov 20, 2025
1610Quad Trees47%(564/1192)Dec 9, 2025
1611The Suspects47%(37770/80160)Jan 8, 2026
1612The Geodetic Set Problem34%(332/954)Nov 21, 2025
1613Cave Raider33%(413/1221)Jan 7, 2026
1614Space AI Bombs19%(69/346)Dec 9, 2025
1615Merging Sequences Problem15%(96/605)Jan 7, 2026
1616Harmonic Periods33%(148/443)Nov 21, 2025
1617Crypto Columns61%(1759/2844)Jan 7, 2026
1618Decorations44%(496/1126)Jan 8, 2026
1619EKG Sequence46%(364/777)Dec 9, 2025
1620Phone Home50%(415/829)Nov 20, 2025
1621Polly Nomials46%(275/586)Jan 8, 2026
1622Pushing Boxes42%(234/547)Dec 1, 2025
1623Squadtrees39%(228/574)Dec 9, 2025
1624This Takes the Cake50%(411/815)Dec 9, 2025
1625Censored!26%(3605/13702)Jan 8, 2026
1626Chapayev25%(117/465)Jan 7, 2026
1627Experiment "X": Explosions Expected12%(95/750)Jan 9, 2026
1628Deduction31%(209/658)Dec 1, 2025
1629Fillword51%(733/1436)Dec 9, 2025
1630Max Separation22%(31/137)Jan 8, 2026
1631Bridging signals53%(10393/19607)Dec 17, 2025
1632Vase collection39%(955/2433)Dec 9, 2025
1633Gladiators46%(267/570)Dec 9, 2025
1634Who's the boss?41%(1312/3183)Nov 20, 2025
1635Subway tree systems40%(3800/9284)Dec 9, 2025
1636Prison rearrangement42%(2775/6512)Jan 8, 2026
1637Sightseeing tour41%(4992/12003)Jan 8, 2026
1638A number game18%(130/689)Jan 8, 2026
1639Picnic Planning35%(4808/13457)Dec 14, 2025
1640Poly-polygonal Numbers34%(190/552)Dec 9, 2025
1641Rational Approximation28%(58/201)Jan 7, 2026
1642Stacking Cubes36%(644/1754)Dec 9, 2025
1643Checker's Check34%(76/223)Dec 9, 2025
1644To Bet or Not To Bet33%(708/2125)Dec 9, 2025
1645BSP Trees49%(124/253)Nov 21, 2025
1646Double Trouble40%(248/610)Dec 29, 2025
1647One-move checkmate24%(476/1957)Jan 8, 2026
1648Countryside Highway31%(418/1327)Jan 8, 2026
1649Market Place29%(234/799)Jan 8, 2026
1650Integer Approximation33%(2421/7223)Jan 7, 2026
1651Multiplication Puzzle60%(12732/20936)Jan 8, 2026
1652Holey Cloth37%(172/462)Jan 7, 2026
1653Compacting Stickers35%(144/407)Dec 1, 2025
1654Area25%(6817/26505)Jan 6, 2026
1655Balancing Act38%(10932/28422)Jan 8, 2026
1656Counting Black64%(7762/12054)Nov 20, 2025
1657Distance on Chessboard33%(10007/30244)Dec 22, 2025
1658Eva's Problem61%(11909/19445)Jan 9, 2026
1659Frogs' Neighborhood39%(6144/15602)Dec 6, 2025
1660Princess FroG38%(486/1249)Dec 9, 2025
1661Help Jimmy33%(7032/20973)Dec 29, 2025
1662CoIns23%(264/1125)Dec 9, 2025
1663Number Steps53%(8094/15191)Dec 9, 2025
1664放苹果58%(31254/53379)Jan 8, 2026
1665Biker's Trip Odometer62%(3736/5990)Jan 8, 2026
1666Candy Sharing Game64%(2910/4505)Jan 8, 2026
1667Peg Game21%(174/792)Dec 9, 2025
1668Taxation With Representation Overdone23%(60/252)Dec 9, 2025
1669It's Logical28%(193/683)Dec 9, 2025
1670Obstructed Rook Circuits25%(55/217)Dec 9, 2025
1671Rhyme Schemes52%(1238/2349)Nov 21, 2025
1672Fully Diversified Sequences of Sets48%(254/520)Dec 9, 2025
1673EXOCENTER OF A TRIANGLE40%(1576/3932)Dec 9, 2025
1674Sorting by Swapping53%(5432/10214)Jan 8, 2026
1675Happy Birthday!25%(1173/4593)Dec 9, 2025
1676What time is it?39%(866/2212)Dec 9, 2025
1677Girls' Day20%(729/3507)Nov 21, 2025
1678I Love this Game!39%(1078/2701)Jan 8, 2026
1679The Unique MST35%(18698/52354)Jan 9, 2026
1680Fork() Makes Trouble58%(410/701)Jan 7, 2026
1681Painter's Problem46%(4371/9392)Jan 9, 2026
1682Clans on the Three Gorges46%(465/1001)Dec 9, 2025
1683Puzzlestan32%(452/1375)Jan 8, 2026
1684Dynamic Declaration Language (DDL)24%(342/1374)Dec 9, 2025
1685Color Tunnels49%(332/675)Jan 8, 2026
1686Lazy Math Instructor34%(1564/4544)Nov 21, 2025
1687Buggy Sat45%(673/1486)Dec 24, 2025
1688Dolphin Pool37%(209/551)Jan 8, 2026
16893002 Rubbery44%(125/281)Nov 21, 2025
1690(Your)((Term)((Project)))38%(1446/3798)Jan 8, 2026
1691Painting A Board48%(2284/4717)Dec 9, 2025
1692Crossed Matchings60%(2312/3853)Dec 9, 2025
1693Counting Rectangles52%(639/1222)Nov 21, 2025
1694An Old Stone Game45%(1777/3895)Jan 8, 2026
1695Magazine Delivery49%(1245/2534)Jan 8, 2026
1696Space Ant56%(4521/7998)Dec 19, 2025
1697The Erythea Campaign36%(266/720)Jan 8, 2026
1698Alice's Chance40%(3331/8226)Jan 8, 2026
1699Best Sequence40%(5197/12901)Nov 21, 2025

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