Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

Volume 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Language:
Search: IN   Find problems that your team haven't solved
IDTitleRatio(AC/submit) Date
1600Centipede Collisions26%(89/334)Oct 15, 2025
1601Pizza Anyone?35%(294/818)Oct 15, 2025
1602Zip18%(223/1206)Oct 15, 2025
1603Risk44%(1607/3588)Oct 15, 2025
1604Just the Facts52%(5142/9855)Oct 15, 2025
1605Horse Shoe Scoring23%(40/170)Nov 6, 2025
1606Jugs52%(3463/6656)Oct 15, 2025
1607Deck42%(3888/9092)Oct 15, 2025
1608Banal Tickets12%(221/1824)Oct 15, 2025
1609Tiling Up Blocks39%(2555/6519)Oct 15, 2025
1610Quad Trees47%(564/1190)Oct 15, 2025
1611The Suspects47%(37753/80113)Oct 27, 2025
1612The Geodetic Set Problem34%(331/952)Oct 15, 2025
1613Cave Raider33%(412/1217)Oct 21, 2025
1614Space AI Bombs20%(69/345)Oct 15, 2025
1615Merging Sequences Problem15%(96/602)Oct 15, 2025
1616Harmonic Periods33%(147/442)Oct 15, 2025
1617Crypto Columns61%(1758/2841)Oct 21, 2025
1618Decorations44%(496/1123)Oct 15, 2025
1619EKG Sequence47%(364/774)Oct 15, 2025
1620Phone Home50%(414/828)Oct 15, 2025
1621Polly Nomials47%(275/583)Oct 23, 2025
1622Pushing Boxes42%(234/546)Oct 21, 2025
1623Squadtrees39%(228/572)Oct 15, 2025
1624This Takes the Cake50%(411/814)Sep 2, 2025
1625Censored!26%(3604/13700)Oct 26, 2025
1626Chapayev25%(117/462)Oct 21, 2025
1627Experiment "X": Explosions Expected12%(95/745)Oct 15, 2025
1628Deduction31%(209/655)Oct 21, 2025
1629Fillword51%(733/1434)Oct 15, 2025
1630Max Separation23%(31/134)Oct 15, 2025
1631Bridging signals53%(10386/19596)Oct 23, 2025
1632Vase collection39%(955/2431)Oct 15, 2025
1633Gladiators46%(267/569)Oct 15, 2025
1634Who's the boss?41%(1311/3182)Oct 15, 2025
1635Subway tree systems40%(3799/9280)Oct 15, 2025
1636Prison rearrangement42%(2774/6509)Oct 15, 2025
1637Sightseeing tour41%(4988/11994)Oct 23, 2025
1638A number game18%(130/686)Oct 15, 2025
1639Picnic Planning35%(4805/13439)Oct 23, 2025
1640Poly-polygonal Numbers34%(188/548)Oct 15, 2025
1641Rational Approximation29%(57/195)Oct 23, 2025
1642Stacking Cubes36%(644/1753)Oct 15, 2025
1643Checker's Check34%(76/221)Oct 15, 2025
1644To Bet or Not To Bet33%(708/2110)Oct 15, 2025
1645BSP Trees48%(123/252)Oct 15, 2025
1646Double Trouble40%(248/608)Oct 15, 2025
1647One-move checkmate24%(476/1953)Oct 15, 2025
1648Countryside Highway31%(415/1324)Oct 15, 2025
1649Market Place29%(234/796)Oct 21, 2025
1650Integer Approximation33%(2418/7219)Oct 15, 2025
1651Multiplication Puzzle60%(12712/20889)Oct 28, 2025
1652Holey Cloth37%(172/460)Oct 15, 2025
1653Compacting Stickers35%(144/406)Oct 15, 2025
1654Area25%(6814/26498)Oct 23, 2025
1655Balancing Act38%(10924/28396)Nov 8, 2025
1656Counting Black64%(7761/12053)Oct 23, 2025
1657Distance on Chessboard33%(9984/30172)Oct 23, 2025
1658Eva's Problem61%(11908/19443)Oct 23, 2025
1659Frogs' Neighborhood39%(6143/15596)Oct 28, 2025
1660Princess FroG38%(486/1247)Oct 15, 2025
1661Help Jimmy33%(7022/20913)Oct 23, 2025
1662CoIns23%(264/1124)Oct 15, 2025
1663Number Steps53%(8093/15189)Oct 23, 2025
1664放苹果58%(31193/53290)Nov 8, 2025
1665Biker's Trip Odometer62%(3734/5988)Oct 15, 2025
1666Candy Sharing Game64%(2908/4503)Oct 15, 2025
1667Peg Game22%(174/789)Oct 15, 2025
1668Taxation With Representation Overdone24%(60/250)Oct 15, 2025
1669It's Logical28%(192/681)Oct 15, 2025
1670Obstructed Rook Circuits25%(55/215)Oct 15, 2025
1671Rhyme Schemes52%(1237/2348)Oct 15, 2025
1672Fully Diversified Sequences of Sets49%(254/518)Oct 15, 2025
1673EXOCENTER OF A TRIANGLE40%(1576/3929)Oct 15, 2025
1674Sorting by Swapping53%(5431/10205)Oct 23, 2025
1675Happy Birthday!25%(1173/4592)Oct 15, 2025
1676What time is it?39%(866/2210)Oct 15, 2025
1677Girls' Day20%(728/3506)Oct 16, 2025
1678I Love this Game!39%(1073/2694)Oct 15, 2025
1679The Unique MST35%(18696/52338)Oct 26, 2025
1680Fork() Makes Trouble58%(408/698)Oct 15, 2025
1681Painter's Problem46%(4367/9383)Oct 15, 2025
1682Clans on the Three Gorges46%(465/999)Oct 15, 2025
1683Puzzlestan32%(452/1372)Oct 15, 2025
1684Dynamic Declaration Language (DDL)24%(341/1373)Oct 23, 2025
1685Color Tunnels49%(332/672)Oct 15, 2025
1686Lazy Math Instructor34%(1562/4542)Oct 15, 2025
1687Buggy Sat45%(673/1481)Oct 15, 2025
1688Dolphin Pool38%(209/548)Oct 15, 2025
16893002 Rubbery44%(124/280)Oct 15, 2025
1690(Your)((Term)((Project)))38%(1445/3796)Oct 15, 2025
1691Painting A Board48%(2273/4683)Nov 8, 2025
1692Crossed Matchings60%(2312/3851)Oct 15, 2025
1693Counting Rectangles52%(638/1221)Oct 23, 2025
1694An Old Stone Game45%(1776/3892)Oct 15, 2025
1695Magazine Delivery49%(1244/2531)Oct 15, 2025
1696Space Ant56%(4518/7986)Oct 15, 2025
1697The Erythea Campaign37%(266/717)Oct 15, 2025
1698Alice's Chance40%(3330/8223)Oct 15, 2025
1699Best Sequence40%(5196/12900)Oct 23, 2025

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator