uva难度分级列表

#IDTitleSolved byDifficulty1100The 3n + 1 problem2648512102Ecological Bin Packing106082310071Back to High School Physics95543410055Hashmat the Brave Warrior943235272TEX Quotes819236458The Decoder728947136Ugly Numbers67294810038Jolly Jumpers63194910035Primary Arithmetic626841010018Reverse and Add6061411108Maximum Sum6022412113Power of Cryptography5804513494Kindergarten Counting Game5784514299Train Swapping575251510082WERTYU5481516101The Blocks Problem5225517591Box of Bricks511351810008What's Cryptanalysis?494251910300Ecological Premium4839520575Skew Binary4732621369Combinations4543622151Power Crisis4470623382Perfection439362410370Above Average4377625160Factors and Factorials431462610189Minesweeper4303627579ClockHands4293628264Count on Cantor4237629424Integer Inquiry4214630499What's The Frequency, Kenneth?419463110110Light, More Light4189632541Error Correction4096633543Goldbach's Conjecture402173410004Bicoloring393973510107What is the Median?3891736374Big Mod3876737686Goldbach's Conjecture (II)3852738105The Skyline Problem3839739495Fibonacci Freeze3827740483Word Scramble379374110041Vito's Family378574210019Funny Encryption Method3773743256Quirksome Squares3713744138Street Numbers366174510079Pizza Cutting3627746530Binomial Showdown360974710696f913552748111History Grading353374910340All in All350185010783Odd Sum3500851476Points in Figures: Rectangles3481852344Roman Digititis3443853673Parentheses Balance343685410346Peter's Smoke3367855120Stacks of Flapjacks335985610469To Carry or not to Carry333885710127Ones3329858492Pig-Latin3265859438The Circumference of the Circle325286010327Flip Sort3214861401Palindromes321286210050Hartals3211863103Stacking Boxes3207864324Factorial Frequencies3191865146ID Codes3138866350Pseudo-Random Numbers311596710106Product308396810222Decode the Mad man303796910006Carmichael Numbers3036970568Just the Facts3033971440Eeny Meeny Moo3023972305Joseph298697310405Longest Common Subsequence2954974583Prime Factors2952975484The Department of Redundancy Department294797610302Summation of Polynomials2934977477Points in Figures: Rectangles and Circles2933978412Pi2898979446Kibbles ``n'' Bits ``n'' Bits ``n'' Bits2890980406Prime Cuts288598110260Soundex2848982640Self Numbers2846983572Oil Deposits2835984294Divisors2832985118Mutant Flatworld Explorers2816986107The Cat in the Hat2791987445Marvelous Mazes27751088112Tree Summing27551089694The Collatz Sequence27411090706LCD Display2736109110013Super long sums27021092439Knight Moves26991093443Humble Numbers26801094674Coin Change2644109510812Beat the Spread!25961096371Ackermann Functions25731097834Continued Fractions25651098119Greedy Gift Givers2552109910220I Love Big Numbers !253210100386Perfect Cubes252910101167The Sultan's Successors248411102444Encoder and Decoder247711103713Adding Reversed Numbers247111104195Anagram246411105392Polynomial Showdown24581110610424Love Calculator245311107190Circle Through Three Points243011108291The House Of Santa Claus24251110910161Ant on a Chessboard241011110489Hangman Judge237311111128Software CRC235911112133The Dole Queue233411113490Rotating Sentences23231111410003Cutting Sticks231211115573The Snail22771211610098Generating Fast, Sorted Permutation226612117488Triangle Wave225212118408Uniform Generator22431211910324Zeros and Ones22251212010235Simply Emirp222012121441Lotto220012122106Fermat vs. Pythagoras219612123414Machined Surfaces218112124623500!21741212510323Factorial! You Must be Kidding!!!214112126576Haiku Review213812127200Rare Order21191212810209Is This Integration ?21181312910252Common Permutation21141313010432Polygon Inside A Circle21081313110062Tell me the frequencies!210113132116Unidirectional TSP207613133536Tree Recovery20461313410473Simple Base Conversion20341313510131Is Bigger Smarter?201713136847A Multiplication Game20121313710699Count the factors201013138104Arbitrage20051313910924Prime Words200413140417Word Index199213141156Ananagrams198613142496Simply Subsets19821314310409Die Game198213144478Points in Figures: Rectangles, Circles, Triangles19731314510530Guessing Game19661314610929You can say 11196313147621Secret Research19601414810195The Knights Of The Round Table19601414910338Mischievous Children19541415010066The Twin Towers193514151130Roman Roulette193314152352The Seasonal War19291415310921Find the Telephone[phone]Unix ls19141415510579Fibonacci Numbers18491415610192Vacation18431415710515Powers Et Al.182914158117The Postal Worker Rings Once18271415910000Longest Paths182215160147Dollars180515161846Steps18041516210550Combination Lock180315163155All Squares179715164191Intersection17961516510104Euclid Problem17961516610499The Land of Justice17621516710591Happy Number17441516810137The Trip173315169122Trees on the level172915170121Pipe Fitters17141517110310Dog and Gopher17141517210193All You Need Is Love16911617310305Ordering Tasks16891617410034Freckles167916175357Let Me Count The Ways165316176389Basically Speaking16521617710334Ray Through Glasses16371617810931Parity16341617910010Where's Waldorf?161516180271Simply Syntax16041718110099The Tourist Guide160417182300Maya Calendar16011718310450World Cup Noise159117184532Dungeon Master159017185562Dividing coins158517186514Rails157117187498Polly the Polynomial156917188612DNA Sorting15611718910105Polynomial Coefficients156017190534Frogger15551719110282Babelfish155517192594One Little, Two Little, Three Little Endians154917193348Optimal Array Multiplication Sequence154617194442Matrix Chain Multiplication153917195336A Node Too Far15321719610015Joseph's Cousin15211719710789Prime Frequency15071819810033Interpreter15051819910168Summation of Four Primes149918200340Master-Mind Hints149618201144Student Grants14821820210042Smith Numbers147718203154Recycling14601820410533Digit Primes14561820510420List of Conquests145518206109SCUD Busters144618207740Baudot Data Communication Code14311920810361Automatic Poetry14181920910394Twin Primes141719210216Getting in Line141319211544Heavy Cargo14061921210183How Many Fibs?139619213378Intersecting Lines13951921410286Trouble with a Pentagon139319215624CD13831921610074Take the Land13821921711000Bee138119218661Blowing Fuses137419219109222 the 9s13741922010116Robot Motion13711922110608Friends136919222278Chess13671922310295Hay Points13651922410336Rank the Languages135919225537Artificial Intelligence?13532022610221Satellites135120227642Word Amalgamation13492022810191Longest Nap13392022911172Relational Operator13342023010276Hanoi Tower Troubles Again!132320231587There's treasure everywhere!13212023210970Big Chocolate132020233524Prime Ring Problem13162023410219Find the ways !131620235343What Base Is This?131120236516Prime Land13112023710152ShellSort130020238315Network129420239574Sum It Up129220240567Risk128921241474Heads / Tails Probability128721242355The Bases Are Loaded12852124310049Self-describing Sequence12732124410070Leap Year or Not Leap Year and ...12722124510182Bee Maja12672124610223How many nodes ?126221247636Squares (III)125021248202Repeating Decimals12472124910130SuperSale12452125010196Check The Check12432125110190Divide, But Not Quite Conquer!12412125210198Counting124121253123Searching Quickly123921254729The Hamming Distance Problem12072225510297Beavergnaw12062225610700Camel trading119522257320Border118922258465Overflow118722259497Strategic Defense Initiative118722260153Permalex118622261739Soundex Indexing118122262637Booklet Printing11772326310067Playing with Wheels117723264124Following Orders116923265409Excuses, Excuses!116923266423MPI Maelstrom116323267422Word-Search Wonder115623268459Graph Connectivity115323269486English-Number Translator11492327010026Shoemaker's Problem11462327110611The Playboy Chimp114023272253Cube painting11392327310474Where is the Marble?11352327410701Pre, in and post11322327510048Audiophobia112823276482Permutation Arrays112724277555Bridge Hands11212427810509R U Kidding Mr. Feynman!11202427910077The Stern-Brocot Number System111824280311Packets11132428110784Diagonal11132428210258Contest Scoreboard111124283485Pascal's Triangle of Death110924284748Exponentiation110524285413Up and Down Sequences110324286531Compromise110224287558Wormholes11022428810573Geometry Paradox11022428910945Mother bear110224290145Gondwanaland Telecom10942429110407Simple division10942429210170The Hotel with Infinite Rooms108624293114Simulation Wizardry10802529410025The ? 1 ? 2 ? ... ? n = k problem10782529510242Fourth Point !!107825296201Squares10772529710465Homer Simpson107625298297Quadtrees107325299326Extrapolation Using a Difference Table10732530010102The path in the colored field107125301170Clock Patience10632530210179Irreducable Basic Fractions10622530310162Last Digit106125304161Traffic Lights105825305140Bandwidth10532530610036Divisibility10522530710487Closest Sums104925308356Square Pegs And Round Holes104525309231Testing the CATCHER10372631010622Perfect P-th Powers10342631110678The Grazing Cow102826312784Maze Exploration10272631310009All Roads Lead Where?10232631410285Longest Run on a Snowboard10152631510056What is the Probability ?10102631610139Factovisors10102631710347Medians10092631810489Boxes of Chocolates100926319639Don't Get Rooked100726320615Is It A Tree?100626321836Largest Submatrix10062632210642Can You Solve It?100326323539The Settlers of Catan100126324701The Archeologists' Dilemma10012632510684The jackpot10012632610451Ancient Village Sports99427327115Climbing Trees9932732810703Free spots9932732910427Naughty Sleepy Boys9842733010633Rare Easy Problem98127331325Identifying Legal Pascal Real Constants97727332166Making Change97327333455Periodic Strings97327334152Tree's a Crowd97127335275Expanding Fractions97027336507Jill Rides Again9682733710408Farey sequences9672733810502Counting Rectangles9672733910014Simple calculations96427340384Slurpys9622834110093An Easy Problem!96128342125Numbering Paths95828343141The Spot Game9582834410125Sumsets9582834510229Modular Fibonacci95728346437The Tower of Babylon95328347333Recognizing Good ISBNs9522834810878Decode the tape9492834910815Andy's First Dictionary9442835010188Automated Judge Script9402835110267Graphical Editor94028352608Counterfeit Dollar93428353110Meta-Loopless Sorts92829354193Graph Coloring9242935510299Relatives91929356628Passwords9162935710491Cows and Cars9162935810365Blocks9142935910080Gopher II91329360580Critical Mass91029361337Interpreting Control Sequences9072936210020Minimal coverage90229363164String Computer9002936410714Ants90029365377Cowculations8992936610583Ubiquitous Religions89929367700Date Bugs8982936810176Ocean Deep ! - Make it shallow !!89630369450Little Black Book89030370436Arbitrage (II)8853037110490Mr. Azad and his Son!!!!!8843037210281Average Speed88230373280Vertex8793037410007Count the Trees8773037510140Prime Distance87330376725Division87130377793Network Connections8713037810298Power Strings8693037910452Marcus, help!8663138010404Bachet's Game8613138110100Longest Match8593138211185Ternary85931383619Numerically Speaking8543138410205Stack 'em Up85331385644Immediate Decodability8493138610508Word Morphing84931387542France '988483138810673Play with Floor and Ceil84831389127``Accordian'' Patience84431390571Jugs84431391332Rational Numbers from Repeating Fractions8413139210359Tiling8393239310078The Art Gallery8383239410539Almost Prime Numbers83232395696How Many Knights8313239610002Center of Masses8303239710948The primary problem83032398263Number Chains82432399353Pesky Palindromes82132400712S-Trees8193240110656Maximum Sum (II)8123340210400Game Show Math81033403466Mirror, Mirror8073340410115Automatic Editing80533405727Equation80333406129Krypton Factor79933407448OOPS!7973340810664Luggage79633409232Crossword Answers79433410131The Psychic Poker Player7933341110129Play on Words7843441210194Football (aka Soccer)7843441310081Tight Words7833441410142Australian Voting7803441510363Tic Tac Toe7803441610303How Many Trees?7743441710397Connect the Campus7733441810935Throwing cards away I77334419895Word Problem7723442010293Word Length and Frequency7673542110301Rings and Glue76435422679Dropping Balls76235423641Do the Untwist76035424620Cellular Structure7553542510311Goldbach and Euler75535426383Shipping Routes7513542710790How Many Points of Intersection?7513542810954Add All74636429126The Errant Physicist7433643010800Not That Kind of Graph74336431260Il Gioco dell'X7413643210415Eb Alto Saxophone Player74036433227Puzzle7393643410443Rock, Scissors, Paper73936435755487--327973836436913Joana and the Odd Numbers73736437602What Day Is It?7343643810940Throwing cards away II73436439681Convex Hull Finding73036440301Transportation72936441306Cipher7253744210112Myacm Triangles7193744310341Solve It7173744410494If We Were a Child Again71737445585Triangles716374467508 Queens Chess Problem7133744711044Searching for Nessy71337448850Crypt Kicker II7113744910315Poker Hands7053845010852Less Prime7053845110279Mine Sweeper70438452394Mapmaker7023845310496Collecting Beepers7003845410903Rock-Paper-Scissors Tournament7003845510283The Kissing Circles69438456900Brick Wall Patterns69138457460Overlapping Rectangles69038458699The Falling Leaves68739459402M*A*S*H6853946010037Bridge6843946110128Queue6843946210101Bangla Numbers6813946310693Traffic Volume67939464825Walking on the Safe Side6773946510057A mid-summer night's dream.6753946610063Knuth's Permutation6723946711059Maximum Product6723946810069Distinct Subsequences67040469213Message Decoding66940470481What Goes Up66640471785Grid Colouring665404721034423 out of 56644047310377Maze Traversal6594047410551Basic Remains6584047511192Group Reverse6554047610245The Closest Pair Problem6544047710706Number Sequence65440478762We Ship Cheap6514147910141Request for Proposal6504148010600ACM Contest and Blackout64741481159Word Crosses6434148210810Ultra-QuickSort64241483187Transaction Processing64041484397Equation Elation64041485808Bee Breeding64041486861Little Bishops64041487188Perfect Hash63941488331Mapping the Swaps63941489821Page Hopping6354249010392Factoring Large Numbers63342491469Wetlands of Florida63242492839Not so Mobile[phone]Internet Bandwidth6304249411057Exact Sum6294249510054The Necklace62542496884Factorial Factors6184349710375Choose and divide6184349810976Fractions Again?!6154349910523Very Easy !!!6134350010589Area61243501218Moth Eradication6114350210519!! Really Strange !!6084450310368Euclid's Game6044450410918Tri Tiling6024450510919Prerequisites?60144506134Loglan-A Logical Language59744507142Mouse Clicks59644508391Mark-up5944550910719Quotient Polynomial5944551010177(2/3/4)-D Sqr/Rects/Cubes/Boxes?5934551110730Antiarithmetic?59245512254Towers of Hanoi5874551310534Wavio Sequence58545514148Anagram checker58445515651Deck58445516626Ecosystem5834551710683The decadary watch58246518435Block Voting5814651910943How do you add?5814652011121Base -258146521630Anagrams (II)58046522634Polygon5794652310500Robot maps57946524737Gleaming the Cubes5774652510360Rat Attack5764652610287Gifts in a Hexagonal Box57546527711Dividing up57346528183Bit Maps5714652936218,000 Seconds Remaining5704653010051Tower of Cubes57046531132Bumpy Objects5694753210165Stone Game5684753310213How Many Pieces of Land ?5644753410369Arctic Network5644753510916Factstone Benchmark5644753610905Children's Game56247537416LED Test5614753810012How Big Is It?5614753910879Code Refactoring56047540540Team Queue5594754110566Crossed Ladders5584754210702Travelling Salesman55648543880Cantor Fractions55448544429Word Transformation5534854510596Morning Walk5514854610249The Grand Dinner5504854710422Knights in FEN55048548535Globetrotter5484854910001Garden of Eden5474855010326The Polynomial Equation54748551703Triple Ties: The Organizer's Nightmare54649552184Laser Lines5444955310493Cats, with or without Hats5444955410393The One-Handed Typist5424955511005Cheapest Base53949556379Hi-Q53849557617Nonstop Travel53749558714Copying Books5364955910065Useless Tile Packers5364956011063B2-Sequence5364956110016Flip-Flop the Squarelotron5345056210651Pebble Solitaire5345056310803Thunder Mountain5345056410364Square5325056511069A Graph Problem53250566601The PATH5305056710813Traditional BINGO53050568434Matty's Blocks5295056910680LCM5275057010930A-Sequence5275057110653Bombs! NO they are Mines!!5265057210210Romeo and Juliet !5255057310926How Many Dependencies?5255057411040Add bricks in the wall5255057510199Tourist Guide5235157610908Largest Square52351577550Multiplying by Rotation52151578590Always on the run51651579208Firetruck5155158010374Election5145258110667Largest Block5145258210200Prime Time5135258310330Power Transmission5125258410518How Many Calls?5115258510147Highways51052586273Jack Straws50852587347Run, Run, Runaround Numbers5085258810910Marks Distribution5085258910061How many zero's and how many digits ?5065259010088Trees on My Island50652591855Lunch in Grid City5055259210849Move the bishop5055259310507Waking up brain5025359410946You want what filled?50253595165Stamps50153596454Anagrams5015359710306e-Coins50153598327Evaluating Simple C Expressions4995359910171Meeting Prof. Miguel...4985360010791Minimum Sum LCM4975360110044Erdos Numbers4965360210763Foreign Exchange49554603688Mobile Phone Coverage4945460410739String to Palindrome4935460510880Colin and Ryan4905460610780Again Prime? No Time.4895460710371Time Zones48854608843Crypt Kicker4855560910620A Flea on a Chessboard48555610318Domino Effect48355611471Magic Numbers4825561210602Editor Nottobad4815561311074Draw Grid481556141101505-2 Rendezvous47955615186Trip Routing4785561610391Compound Words4775661710484Divisibility of Factors47756618381Making the Grade47656619677All Walks of length ``n'' from the first node4765662010446The Marriage Interview :-)4765662110773Back to Intermediate Math47656622255Correct Move4755662310527Persistent Numbers4755662410202Pairsumonious Numbers4745662510497Sweet Child Makes Trouble47456626457Linear Cellular Automata47356627556Amazing47356628741Burrows Wheeler Decoder47256629796Critical Links4725663010304Optimal Binary Search Tree47156631743The MTM Machine4705663210689Yet another Number Sequence46956633526String Distance and Transform Process4675763410268498-bis4675763510271Chopsticks46757636162Beggar My Neighbour4655763710126Zipf's Law46557638627The Net46457639584Bowling4625764010705The Fun Number System4625764110522Height to Area4605864211001Necklace4605864311150Cola4595864410738Riemann vs Mertens45858645705Slash Maze4575864610820Send a Table45758647622Grammar Evaluation4565864810928My Dear Neighbours45658649245Uncompress45458650314Robot4545865110005Packing polygons4545865210617Again Palindrome45159653638Finding Rectangles45059654704Colour Hash4505965510060A hole to catch a man4505965610669Three powers4505965710920Spiral Tap44959658143Orchard Trees44859659538Balancing Bank Accounts4465966010132File Fragmentation4446066110650Determinate Prime44460662517Word44260663551Nesting a Bunch of Brackets44260664588Video Surveillance4406066510307Killing Aliens in Borg Maze4406066610309Turn the Lights Off43960667586Instant Complexity4386066810801Lift Hopping4386066910090Marbles4376167010354Avoiding Your Boss4366167110925Krakovia43661672168Theseus and the Minotaur43561673209Triangular Vertices43561674468Key to Success43461675547DDF4336167610022Delta-wave4326167710721Bar Codes4326167810337Flight Planner4316167910460Find the Permuted String4316168010865Brownie Points43161681196Spreadsheet4286268210233Dermuba Triangle4286268310226Hardwood Species4276268410871Primed Subsequence4266268511039Building designing42562686222Budget Travel4246268710197Learning Portuguese42263688290Palindroms <---> smordnilaP4206368910120Gift?!42063690756Biorhythms41963691654Ratio41863692833Water Falls4186369310178Count the Faces.4176469410503The dominoes solitaire4176469511137Ingenuous Cubrency4176469610541Stripe4156469710154Weights and Measures41464698418Molecules41364699632Compression (II)4136470010227Forests41264701647Chutes and Ladders41164702462Bridge Hand Evaluator41065703296Safebreaker40965704380Call Forwarding4096570511219How old are you?40965706501Black Box40865707598Bundling Newspapers4086570810896Known Plaintext Attack40765709270Lining Up4036671010201Adventures in Moving - Part IV4036671110308Roads in the North4036671210290{Sum+=i++} to Reach N4026671310356Rough Roads40266714321The New Villa4016671510774Repeated Josephus4006671610994Simple Addition39966717177Paper Folding39767718403Postscript3976771910554Calories from Fat3956772010092The Problem with the Problem Setter3936772110325The Lottery39367722616Coconuts, Revisited39268723763Fibinary Numbers39068724393The Doors3896872510677Base Equality3896872610776Determine The Combination38968727815Flooded!38868728220Othello3876872911152Colourful Flowers3876873010254The Priest Mathematician38669731157Route Finding3856973210284Chessboard in FEN3856973310892LCM Cardinality38469734139Telephone Tangles3826973510453Make Palindrome3826973610646What is the Card?3826973710717Mint3826973810585Center of symmetry3817073910440Ferry Loading II3767074011078Open Credit System3747174110113Exchange Rates3737174210312Expression Bracketing37371743172Calculator Language3727174411089Fi-binary Number3707274510029Edit Step Ladders3697274610543Traveling Politician3697274710610Gopher and Hawks36972748313Intervals36772749897Anagrammatic Primes36573750670The dog task3647375110959The Party, Part I36373752665False coin3627375310625GNU = GNU'sNotUnix3627375411105Semi-prime H-numbers36273755702The Vindictive Coach3617375610150Doublets3597475710856Recover Factorial3597475810387Billiard35874759341Non-Stop Travel3577476010603Fill3577476110963The Swallowing Ground35774762812Trade on Verweggistan35674763108512D Hieroglyphs decoder3567476410894Save Hridoy3557576510174Couple-Bachelor-Spinster Numbers.3547576610313Pay the Price3547576711115Uncle Jack35475768137Polygons35375769345It's Ir-Resist-Able!353757701018115-Puzzle Problem3537577110806Dijkstra, Dijkstra.3537577211220Decoding the message.3537577311068An Easy Task35275774181Hearts3517577510718Bit Mask35175776657The die is cast3507677710401Injured Queen Problem3507677811076Add Again3507677911067Little Red Riding Hood3487678010891Game of Sum34776781614Mapping the Route3457778210637Coprimes3457778310679I Love Strings!!3457778411173Grey Codes34577785493Rational Spiral3427778610986Sending email3427778710912Simple Minded Hashing3417878811056Formula 134178789545Heads3397879010212The Last Non-zero Digit.3397879110672Marbles on a tree3397879210895Matrix Transpose33978793548Tree33878794871Counting Cells in a Blob3387879511085Back to the 8-Queens33779796427FlatLand Piano Movers33679797710The Game3367979811003Boxes33679799388Galactic Import33579800339SameGame Simulation3347980110586Polynomial Remains3328080210947Bear with me, again..3328080311151Longest Palindrome3318080411054Wine trading in Gergovia3308080510616Divisible Group Sums32881806349Transferable Voting (II)3278180710382Watering Grass3278180810576Y2K Accounting Bug3278180910742The New Rule in Euphomia3278181010047The Monocycle3268181110482The Candyman Can32681812776Monkeys in a Regular Forest3258181310520Determine it3258181410578The Game of 3132581815668Parliament32482816589Pushing Boxes32382817732Anagrams by Stack3238281810075Airlines32382819150Double Time32282820135No Rectangles3208382110528Major Scales3208382210830A New Function32083823447Population Explosion31983824565Pizza Anyone?3188382511064Number Theory3188382610670Work Reduction3178482710978Let's Play Magic!31784828557Burger3168482910259Hippity Hopscotch3168483010406Cutting tabletops3168483110842Traffic Flow31684832179Code Breaking31584833865Substitution Cypher3148483411042Complex, difficult and complicated3148483511244Counting Stars3138583610911Forming Quiz Teams3118583711012Cosmic Cabbages31185838302John's trip31085839892Finding words3108584010532Combination! Once Again3108584110536Game of Euler3108584210662The Wedding3108584310720Graph Construction31085844467Synching Signals3098684510635Prince and Princess3098684610296Jogging Trails3088684710991Region30786848520Append3068784910574Counting Rectangles3058785011233Deli Deli30587851533Equation Solver3048785210058Jimmi's Riddles3048785310264The Most Potent Corner3048785410333The Tower of ASCII3048785510821Constructing BST3048785610017The Never Ending Towers of Hanoi3038785710261Ferry Loading3028885811062Andy's Second Dictionary3018885911207The easiest way30188860633A Chess Knight3008886110250The Other Two Trees3008886210681Teobaldo's Trip30088863993Product of digits2998986410097The Color Game2998986510862Connect the Cable Wires2998986611045My T-shirt suits me2988986710094Place the Guards2978986811223O: dah dah dah!29789869338Long Multiplication29689870521Gossiping2968987110167Birthday Cake2968987210217A Dinner with Schwarzenegger!!!2968987310555Dead Fraction2968987410351Cutting Diamonds2959087510083Division2949087610203Snow Clearing29490877171Car Trialling2929187810957So Doku Checker29291879276Egyptian Multiplication2899288010771Barbarian tribes28992881242Stamps and Envelope Size2889288210164Number Game2889288310785The Mad Numerologist2889288411222Only I did it!2889288510410Tree Reconstruction2879288610466How Far?28792887346Getting Chorded28693888529Addition Chains2869388910685Nature2859389011086Composite Prime28593891185Roman Numerals28493892753A Plug for UNIX28493893824Coast Tracker2849389410158War2849389510564Paths through the Hourglass2839489610480Sabotage28294897428Swamp County Roofs28095898662Fast Food28095899718Skyscraper Floors28095900385DNA Translation27995901523Minimum Transport Cost2799590210232Bit-wise Sequence27995903518Time2789590410146Dictionary27895905735Dart-a-Mania2779690610557XYZZY2779690710562Undraw the Trees2779690810759Dice Throwing27696909410Station Balance2759691010187From Dusk Till Dawn2759691111058Encoding2759691210043Chainsaw Massacre2749791310263Railway2749791411093Just Finish it up27497915452Project Scheduling2739791610257Dick and Jane2739791710634Say NO to Memorization2739791810716Evil Straw Warts Live27397919375Inscribed Circles and Isosceles Triangles2729792010787Modular Equations2729792110792The Laurel-Hardy Story2729792210823Of Circles and Squares2729792310510Cactus2719892410328Coin Toss27098925603Parking Lot2699892610964Strange Planet26998927308Tin Cutter26899928604The Boggle Game2679992910668Expanding Rods26799930178Shuffling Patience266100931433Bank (Not Quite O.C.R.)26610093210419Sum-up the Primes26610093310666The Eurocup is Here!26610093410733The Colored Cubes26610093510396Vampire Numbers26510093610855Rotated square265100937211The Domino Effect264100938613Numbers That Count26410093910495Conic Distance26410094010626Buying Coke26410094110902Pick-up Sticks26410094211110Equidivisions264100943198Peter's Calculator26310194410917Walk Through the Forest263101945592Island of Logic26210194610814Simplifying Fractions262101947837Light and Transparencies26110194810111Find the Winning Move26110194910428The Roots26110195011029Leading and Trailing26110195111221Magic square palindromes.26110195210039Railroads259102953158Calendar258103954852Deciding victory in Go25810395510505Montesco vs Capuleto25810395610350Liftless EME25710395710567Helping Fill Bates25710395810816Travel in Desert25710395910827Maximum sum on a torus25710396010318Security Panel25610396111100The Trip, 2007256103962599The Forrest for the Trees25510496310439Temple of Dune254104964230Borrowers25310596510804Gopher Strategy25310596610898Combo Deal253105967395Board Silly252105968671Spell checker25210596911038How Many O's?25210597011055Homogeneous squares252105971745Numeric Puzzles Again!25110697210874Segments251106973948Fibonaccimal Base25010697410278Fire Station24810797510843Anne's game248107976174Strategy246108977257Palinwords246108978561Jackpot246108979845Gas Station Numbers24510898010316Airline Hub24510898110506The Ouroboros problem245108982487Boggle Blitz24410998310040Ouroboros Snake244109984303Pipe243109985307Sticks24310998610246Asterix and Obelix243109987974Kaprekar Numbers24210998810688The Poor Giant242109989563Crimewave24111099010560Minimum Weight24111099111026A Grouping Problem241110992759The Return of the Roman Empire24011099310504Hidden squares24011099411133Eigensequence24011099510980Lowest Price in Town238111996405Message Routing23711299710317Equating Equations23711299810357Playball !!!23711299910547Hidden Truth in Recurrence2371121000707Robbery236112100110218Let's Dance !!!235113100210416Folding My T-Shirt235113100311060Beverages2351131004215Spreadsheet Calculator2341131005505Moscow time2341131006869Airline Comparison234113100710215The Largest/Smallest Box ...2341131008192Synchronous Design2331141009519Puzzle (II)233114101010944Nuts for nuts..232114101111002Towards Zero232114101210793The Orc Attack231115101310942Can of Beans231115101410086Test the Rods230115101510722Super Lucky Numbers230115101610745Dominant Strings230115101710483The Sum Equals the Product229116101810901Ferry Loading III2291161019652Eight228116102010023Square root228116102110339Watching Watches228116102210389Subway228116102310421Critical Wave228116102410900So you want to be a 2n-aire?228116102510915War on Weather228116102611103WFF 'N PROOF2281161027425Enigmatic Encryption227117102810349Antenna Placement227117102910593Kites227117103010425Mobile Destroyer226117103110819Trouble of 13-Dots2261171032787Maximum Sub-sequence Product225118103310180Rope Crisis in Ropeland!225118103410288Coupons225118103510655Contemplation - Algebra2251181036274Cat and Mouse224118103710243Fire! Fire!! Fire!!!2241181038618Doing Windows222119103911049Basic wall maze222119104011108Tautology2221191041298Race Tracks220120104210977Enchanted Forest2201201043902Password Search219121104410537The Toll! Revisited219121104510710Chinese Shuffle219121104611022String Factoring2191211047268Double Trouble2181211048672Gangsters218121104910085The most distant state218121105011203Can you decide it for ME?218121105110021Cube in the labirint217122105210390Bean Counting217122105310535Shooter2171221054658It's not a Bug, it's a Feature!2161231055726Decode216123105610329Combinatorial Expression216123105710462Is There A Second Way Left?216123105810549Russian Dolls216123105910423Peter Takes a Tramway215123106010477The Hybrid Knight2151231061415Sunrise2141241062432Modern Art214124106310149Yahtzee214124106410320Cow Trouble! Help Please!!2141241065182Bonus Bonds213124106610433Automorphic Numbers213124106710449Traffic213124106810459The Tree Root213124106910570Meeting with Aliens213124107010598Find the Latitude213124107110777God! Save me213124107210854Number of Paths213124107311034Ferry Loading IV213124107410024Curling up the cube212125107510471Can't be too GREEDY212125107610990Another New Function2121251077914Jumping Champion211126107810540Flowers of a Beautiful Mind211126107911048Automatic Correction of Misspellings2111261080387A Puzzling Problem210126108110118Free Candies210126108210378Complex Numbers210126108311231Black and white painting2101261084451Poker Solitaire Evaluator209127108510385Duathlon209127108610746Crime Wave - The Sequel209127108710577Bounding box208127108810897Travelling Distance2081271089858Berry Picking2071281090312Crosswords (II)206129109110277Boastin' Red Socks206129109210445Make Polygon2061291093570Stats2051291094810A Dicey Problem205129109510342Always Late205129109610517Wind of Change!205129109710769Pillars205129109810958How Many Solutions?205129109911226Reaching the fix-point.205129110010386Circles in Triangle204130110111070The Good Old Times204130110210134AutoFish203130110310157Expressions203130110410475Help the Leaders203130110510545Maximal Quadrilateral2031301106656Optimal Programs202131110710436Cheapest way201132110810609Fractal201132110910761Broken Keyboard2011321110464Sentence/Phrase Generator200132111110660Citizen attention offices200132111210690Expression Again200132111311004Changing Roadmap200132111410343Base64 Decoding199133111510488Swimming Gopher199133111610938Flea circus199133111711088End up with More Teams1991331118719Glass Beads198134111910464Big Big Real Numbers1981341120760DNA Sequencing197134112110114Loansome Car Buyer197134112211130Billiard bounces1971341123358Don't Have A Cow, Dude1961351124607Scheduling Lectures196135112510269Adventure of Super Mario196135112610604Chemical Reaction196135112710734Triangle Partitioning196135112810927Bright Lights196135112910214Trees in a Wood.195136113010444Multi-peg Towers of Hanoi195136113110698Football Sort195136113210858Unique Factorization195136113310247Complete Tree Labeling194137113410933Volleyball194137113510998Flipping Colors194137113610068The Treasure Hunt193137113710348Submarines193137113810913Walking on a Grid193137113911094Continents193137114011155Be Efficient193137114110173Smallest Bounding Rectangle192138114210556Biometrics1921381143309FORCAL191139114410160Servicing Stations191139114510992The Ghost of Programmers191139114610175Sphere190139114710934Dropping water balloons1901391148247Calling Circles189140114910138CDVII189140115010426Knights' Nightmare189140115110544Numbering the Paths189140115210860Many a Little makes a Mickle189140115310872Triangles189140115411080Place the Guards1891401155149Forests1881411156782Contour Painting1881411157411Centipede Collisions1871421158721Invitation Cards187142115910512A Day in Math-land187142116010587Mayor's posters187142116110624Super Number187142116211099Next Same-Factored187142116310032Tug of War186142116410144Expression186142116510529Dumb Bones186142116610999Crabbles186142116711111Generalized Matrioshkas1861421168685Least Path Cost185143116911204Musical instruments1851431170559Squares (II)1841441171653Gizilch1841441172967Circular184144117310802Lex Smallest Drive184144117410136Chocolate Chip Cookies183145117510331The Flyover Construction183145117610461Difference182146117710027Language Cardinality181146117810687Monitoring the Amazon180147117910728Help!1801471180866Intersecting Line Segments179148118110236The Fibonacci Primes179148118210516Another Counting Problem1791481183593MBone1781491184659Reflections178149118510169Urn-ball Probabilities !178149118610238Throw the Dice178149118710275Guess the Number!178149118810563Least Squares178149118910479The Hendrie Sequence177150119010569Number Theory177150119110889The Lost Gift177150119211077Find the Permutations1771501193180Eeny Meeny1761501194552Filling the Gaps176150119510831Gerg's Cake1761501196625Compression175151119710352Count the eWords175151119810514River Crossing1751511199194Triangle1741521200335Processing MX Records1741521201893Y3K Problem174152120210750Beautiful Points174152120310914Abundance and Perfect Numbers1741521204366Cutting Up1731531205610Street Directions173153120610366Faucet Flow173153120710072Bob Laptop Woolmer and Eddie Desktop Barlow172154120810239The Book-shelver's Problem172154120911132Dice from pennies1721541210991Safe Salutations171155121110442Basic171155121211087Divisibility Testing171155121310228Star not a Tree?1701561214259Software Allocation169157121510237Bishops169157121610553Treasure Map169157121710950Bad Code1691571218811The Fortified Forest168158121910883Supermean1681581220684Integral Determinant167159122110649Danger Point167159122210709Intersection is Not that Easy167159122311230Annoying painting tool167159122411241Humidex167159122510868Bungee Jumping166160122610882Koerner's Pub166160122711028Sum of Product1661601228635Clock solitaire165161122910731Test165161123011053Flavius Josephus Reloaded165161123111218KTV165161123211236Grocery store1651611233173Network Wars164161123410454Trexpression164161123510575Polylops164161123610932Calculator164161123710123No Tipping163162123810441Catenyms163162123910581Partitioning for fun and profit163162124010744The Optimal Super-Highway1631621241328The Finite State Text Processing Machine162163124210559Blocks162163124311202The least possible effort162163124411240Antimonotonicity1621631245399Another Puzzling Problem161165124610875Big Math1611651247407Gears on a Board160166124810658ReArrange160166124910848Make Palindrome Checker1601661250334Identifying Concurrent Events159167125110367Equations159167125210694Combinatorial Summation1591671253169Xenosemantics158168125410648Chocolate Box157169125510713Map157169125610877Diceoids157169125711254Consecutive Integers157169125810291Cut the Legs155171125910355Superman155171126010542Hyper-drive155171126110870Recurrences155171126210987Antifloyd155171126310091The Valentine's Day154172126410225Discrete Logging154172126510582ASCII Labyrinth154172126610850The Gossipy Gossipers Gossip Gossips154172126710937Blackbeard the Pirate1541721268500Table153173126910592Freedom Fighter153173127011008Antimatter Ray Clearcutting153173127111024Circular Lock153173127211148Moliu Fractions153173127311161Help My Brother (II)1531731274430Swamp County Supervisors152174127510045Echo152174127610256The Great Divide152174127711101Mall Mania1521741278221Urban Elevations151175127910973Triangle Counting151175128011051Dihedral groups151175128111158Elegant Permuted Sum151175128211232Cylinder1511751283856The Vigenère Cipher150177128410230Savage Garden150177128510244First Love !!!150177128610413Crazy Savages150177128710606Opening Doors150177128811032Function Overloading150177128911170Cos(NA)1501771290645File Mapping149178129110234Frequent Substrings149178129211138Nuts and Bolts149178129311140Little Ali's Little Brother!1491781294175Keywords148179129510741Magic Cube148179129610822Planet of the Rock, Paper and Scissors1481791297680Movement of Reading Head147180129810373The Brick Stops Here147180129910740Not the Best147180130010982Troublemakers147180130111239Open Source1471801302419Matching Meetings146181130311027Palindromic Permutation1461811304390Letter Sequence Analysis145183130510659Fitting Text into Slides1451831306107072D-Nim145183130710832Yoyodyne145183130811246K-Multiple Free set1451831309163City Directions1441841310757Gone Fishing144184131110890Maze144184131211227The silver bullet.144184131311242Tour de France1441841314426Fifth Bank of Swamp County1431851315716Commedia dell' arte143185131611136Hoax or what143185131711147KuPellaKeS BST1431851318924Spreading The News142187131910124Subway142187132010909Lucky Number1421871321669Defragment1411881322736Lost in Space141188132310294Arif in Dhaka (First Love Part 2)141188132410412Big Big Trees1411881325860Entropy Text Analyzer140189132610011Where Can You Hide?140189132710398The Golden Pentagon140189132811112Babylonian Roulette1401891329189Pascal Program Lengths1391911330361Cops and Robbers1391911331453Intersecting Circles139191133210148Advertisement139191133310468Rigid Circle Packing139191133410807Prim, Prim.1391911335663Sorting Slides138192133610590Boxes of Chocolates Again138192133711225Tarot scores.1381921338560Magic137193133910723Cyborg Genes137193134010732The Strange Research137193134111072Points1371931342176City Navigation1361951343250Pattern Matching Prelims136195134410084Hotter Colder136195134510372Leaps Tall Buildings (in a single bound)136195134610430Dear GOD, Pardon Me136195134710457Magic Car136195134810511Councilling136195134910619Advanced Causal Measurements136195135011096Nails136195135110251Min-Max Cake135196135210486Mountain Village135196135310548Find the Right Changes135196135410552Genealogical Research135196135511181Probability|Given1341981356708Dreisam Equations133199135710319Manhattan133199135810525New to Bangladesh?133199135910724Road Construction133199136010888Warehouse133199136110273Eat or Not to Eat?132201136210571Products132201136311021Tribles132201136411127Triple-Free Binary Strings1322011365566Adam's Genes1312021366828Deciphering Messages131202136710417Gift Exchanging131202136810644Floor Tiles131202136911083Zeroes Revisited131202137011180Base i-11312021371449Majoring in Scales1302041372515King1302041373872Ordering130204137410697Firemen barracks130204137511237Halloween treats1302041376795Sandorf's Cipher129205137710076The Bumpy Robot129205137810388Snap129205137910643Facing Problem With Trees129205138010989Bomb, Divide and Conquer129205138110156Sala-ma-Sond, A Nice Little Pond1282071382697Jack and Jill1272091383758The Same Game127209138410652Board Wrapping127209138510715Cat127209138611247Income Tax1272091387239Tempus et mobilius. Time and motion1262101388554Caesar Cypher126210138910568n Group k126210139010725Triangular Square126210139111129An antiarithmetic permutation126210139211149Power of Matrix1262101393835Square of Primes1252121394844Pousse125212139510594Data Flow125212139610747Maximum Subsequence125212139710825Anagram and Multiplication125212139810923Seven Seas1252121399240Variable Radix Huffman Encoding1242141400962Taxicab Numbers124214140110089Repackaging124214140211047The Scrooge Co Problem1242141403926Walking Around Wisely123215140411258String Partition1232151405258Mirror Maze122217140610476Spam or Not Spam122217140710599Robots(II)122217140811234Expressions1222171409553Simply proportion1212191410775Hamiltonian Cycle121219141110601Cubes121219141210817Headmaster's Headache121219141311125Arrange Some Marbles121219141411205The broken pedometer1212191415751Triangle War120221141610654The Uxuhul Voting System120221141710145Lock Manager119223141810207The Unreal Tournament119223141910663Non-Powerful Subsets119223142010692Huge Mods119223142110748Knights Roaming1192231422695Placing the Ops118224142310799OOPS! They did it Again...118224142410887Concatenation of Languages118224142511106Rectilinear Polygon1182241426319Pendulum1172261427491Tile Topology117226142810186Euro Cup 2000117226142910345Cricket/Football Goes Down117226143010735Euler Circuit1172261431660Going in circles on Alpha Centauri116228143210163Storage Keepers116228143310248The Integer All-time Champ116228143410561Treblecross116228143510621Jack and Jill116228143610665Diatribe against Pigeonholes116228143710764Signed-digit numbers116228143810844Bloques116228143911235Frequent values116228144010253Series-Parallel Networks115230144110262Suffidromes115230144210615Rooks115230144310708Cheetah1152301444373Romulan Spelling1142321445709Formatting Text1142321446734The Programmer's Hex1142321447765References114232144810028Demerit Points114232144910172The Lonesome Cargo Distributor114232145011092IIUC HexWorld114232145110623Thinking Backward113234145211134Fabled Rooks1132341453323Jury Compromise1122361454648Stamps (II)1122361455830Shark112236145610208Liar or Not Liar that is the...112236145710726Coco Monkey112236145811036Eventually Periodic Sequence1122361459577WIMP1112391460851Maze111239146110255The knight's Tour111239146210292The Gossiping System111239146310788Parenthesizing Palindromes111239146411011Numerical Methods! A Satire1112391465698Index1102411466882The Mailbox Manufacturers Problem1102411467989Su Doku110241146810053Envelopes110241146910117Nice Milk110241147010953Stochastic Digit Generator110241147111159Factors and Multiples1102411472512Spreadsheet Tracking1092431473629Test109243147410381The Rock109243147511122Tri Tri1092431476527The partition of a cake1082451477903Spiral of Numbers108245147810280Old Wine Into New Bottles108245147910384The Wall Pushers108245148010546The Eagle's Nest108245148110765Doves and bombs108245148210782Send More Money1082451483754Treasure Hunt1072481484911Multinomial Coefficients107248148510558A Brief Gerrymander107248148610595Knight on the Bee Board106250148710906Strange Integration106250148810993Ignoring Digits1062501489907Winterim Backpacking Trip105252149010321Polygon Intersection105252149110463Aztec Knights105252149210686SQF Problems105252149310772Rose windows105252149411157Dynamic Frog1052521495420Supercomputer Selection, The Sequel1042551496838Worm World104255149710211Divisibility Testing! Wow!1032571498261The Window Property1022601499600A Duckpin Tournament102260150010448Unique World102260150110818Dora Trip102260150211200Sapitaur's labyrinth1022601503664Single-Player Games101262150410866Magic Bitstrings101262150511035Card Hands1012621506609Metal Cutting1002651507682Whoever-pick-the-last-one-lose1002651508766Sum of powers100265150910353Circles in Hexagon :-)100265151010376Snakes100265151110838The Pawn Chess100265151210122Mysterious Mountain99268151310647Optimal House Placement99268151410985Rings'n'Ropes99268151511090Going in Cycle!!992681516199Partial differential equations982701517715Substitution Cipher982701518783Trains98270151910661The Perspectographer98270152010881Piotr's Ants982701521814The Letter Carrier's Rounds97273152211191Square972731523197Cube962761524840Deadlock Detection962761525988Many Paths, One Destination96276152610185Phylogenetic Trees Inherited96276152710751Chessboard96276152810805Cockroach Escape Networks96276152910835Playing with Coins96276153011081Strings962761531790Head Judge Headache95279153210811Up the Ante952791533277Cabinets94282153410087The Tajmahal of ++Y2k94282153510265Toroidal Chess Queens' Problem94282153610794The Deadly Olympic Returns!!!94282153710824Regular Polygon94282153810979How Many Triangles?942821539330Inventory Maintenance932851540503Parallelepiped walk93285154110184Equidistance93285154210434Working With Specific Gravity93285154310968KuPellaKeS93285154411020Efficient Solutions93285154511104Cousins932851546316Stars922881547870Intersecting Rectangles92288154810418Hyper Toy Soldiers92288154910755Garbage Heap92288155010166Travel91291155110839The Curse of Barbosa91291155210956Prime Suspect912911553404Radar Scopes902941554606Keeps Going and Going and ...902941555799Safari Holiday90294155610399Optimus Prime90294155710962Don Giovanni's Last Dinner90294155810997Medals902941559502DEL command892981560676Horse Step Maze892981561752Unscrambling Images892981562817According to Bartjens89298156310362Trains89298156410627Infinite Race89298156510768Planarity89298156611082Matrix Decompressing89298156711228Transportation system.89298156811201The problem of the crazy linguist88301156910743Blocks on Blocks87304157011186Circum Triangle87304157139818-Wheeler Caravans (aka Semigroups)86308157210597Right Words863081573317Hexagon853121574421Polygonal Puzzle853121575848Fmt85312157610607Siege85312157710936Land surveyor's job85312157811131Close Relatives853121579722Lakes843151580738A Logical Problem843151581910TV game84315158210231Matrix World84315158310524Matrix Reloaded84315158410704Traffic!843151585288Arithmetic Operations With Large Integers833191586431Trial of the Millennium833191587689Napoleon's Grumble833191588899Colour Circles833191589927Integer Sequences from Addition of Terms83319159010456Intelligent Cats833191591832Financial Risk82323159210216The Optimal Coffee Shop!!82323159310240The n-Dimensional Cities823231594226MIDI Preprocessing813271595857Quantiser81327159610030Computer Dialogue81327159710379Pit Stop Strategy81327159810614Dreadful Vectors81327159910983Buy one, get the rest free81327160011162Independent Attacking Zones81327160111164Kingdom Division81327160211174Stand in a Line813271603310L--system803311604806Spatial Structures80331160510618Tango Tango Insurrection80331160611195Another n-Queen Problem803311607376More Triangles ... THE AMBIGUOUS CASE793351608929Number Maze79335160910133Audubon's Stormy Arctic Trip79335161010270Bigger Square Please...79335161110437Playing With Fraction79335161210645Menu79335161311031Looking for a Subset79335161411182Zeroes III793351615928Eternal Truths78340161610795A Different Task78340161711013Get Straight78340161811052Economic phone calls78340161924610-20-30773441620595A Major Problem763481621920Sunny Mountains76348162210274Fans and Gems76348162310332The Absent Minded Professor76348162410431Normal Distribution76348162510736Series of PI76348162610775Mystical Matrix76348162710826Hot or Cold?76348162810841Lift Hopping in the Real World76348162911184Joyful Ride76348163010526Intellectual Property74358163110779Collectors Problem74358163211043Fast and Easy Data Compressor74358163311166Power Signs74358163410159Star73363163510754Fantastic Sequence733631636229Scanner723681637267Of(f) Course!723681638692BUT We Need a Diagram72368163910380Shogi Tournament72368164010640Planes around the World72368164110873Splat, Inc.72368164210995Educational Journey72368164311019Matrix Matcher72368164411095Tabriz City723681645816Abbott's Revenge71373164610206Stars71373164710521Continuously Growing Fractions71373164810395Titans in Danger70378164910470Shifted Coefficient Number System70378165010767Barcelona's trams70378165110786Qualify for the Champions League70378165210951Polynomial GCD70378165310984Double NP-hard703781654767Game69384165510729Treequivalence69384165610798Be wary of Roses69384165711084Anagram Division69384165811117Little Quilt693841659286Dead Or Not -- That Is The Question683891660506System Dependencies683891661983Localized Summing for Blurring68389166210876Factory Robot68389166310981String Morphing68389166411160Going Together683891665210Concurrency Simulator673951666283Compress673951667731Numerical Summation of a Series67395166810760Translation or rotation67395166911014Make a Crystal67395167011245Anti-Arithmetic-Sequence67395167111264Coin Collector673951672206Meals on Wheels Routing System66401167310580Ransom Note66401167411010Tic-Tac-Tough66401167511116Babel Towers664011676234Switching Channels654071677578Polygon Puzzler654071678881Points, Polygons and Containers65407167910095Saving the Planet65407168011091How many Knight Placing?654071681238Jill's Bike644141682742Domino Game64414168310204Adventures in Moving - Part V64414168410447Sum-up the Primes (II)64414168510613Mushroom Misery64414168610711Stitching64414168710837A Research Problem64414168810904Structural Equivalence644141689818Cutting Chains63420169010472Fastest Vs Cheapest63420169110682Forró Party63420169211224Let's swim!63420169311249Game63420169410272DDR King62427169510358Matrix62427169610501Simplified Shisen-Sho62427169710565Matrix62427169810632Pyramid62427169911073Euler's Totient Function624271700826Symbolic Numerical System61434170110073Constrained Exchange Sort61434170210403Escape from Tut's Tomb61434170310455Gray Code61434170410899Billiard again61434170511061Playing War614341706365Welfare Reform604411707370Bingo604411708631Microzoft Calendar604411709643Bulk Mailing604411710859Chinese Checkers60441171110458Cricket Ranking60441171210467Parse Tree60441171310513Bangladesh Sequences60441171410612Paper Folding60441171510674Tangents60441171610859Placing Lampposts60441171710886Standard Deviation60441171810907Art Gallery60441171911030Predator II60441172011097Poor My Problem! :-(60441172111238Innoumerous bowling games60441172210109Solving Systems of Linear Equations59449172310322The Four in One Stadium59449172410712Count the Numbers59449172510853Pablito nailed a nail59449172611118Prisoners, Boxes and Pieces of Paper59449172711113Continuous Fractions58457172811168Airport58457172911198Dancing Digits584571730667Fence57465173110588Queuing at the doctors57465173210809Great Circle57465173310941Words adjustment57465173411124Troubles for Modern Days Problemsetters57465173511153Museums574651736868Numerical Maze5647317378742D Representations564731738883Overlapping Rectangles56473173910631Normals56473174010996Go56473174111206Coloring the map, but not anyhow56473174211229Improved tic-tac-toe.56473174310638The Trip II55482174410834The Story of Two Coins55482174510836The Maximum Term55482174611260Odd Root Sum55482174711269Setting Problems55482174810052Inviting Politicians54490174910641Barisal Stadium54490175010727Practice54490175110867Cutting a Polygon54490175210869Brownie Points II54490175310960The Party, Part II54490175410965Khepel's Problem54490175511243Texas Trip544901756342HTML Syntax Checking53500175710411Another Game of Tetris53500175810481The Gift Wrappers of Hollywood53500175911018Mars Buggy53500176011178Morley's Theorem53500176111256Repetitive Multiple535001762564Gaston525091763831Document Validator52509176411071Permutation Representation52509176511123Counting Trapizoid525091766957Popes51519176710885Martin the Gardener51519176810961Chasing After Don Giovanni51519176911261Bishops515191770733Follow the Folding Dot505301771908Re-connecting Computer Sites505301772986How Many?50530177310438Meta Editor50530177411120Very Funny Mr. Feynman50530177510335Ray Inside a Polygon49541177610847Basic Tautologies49541177711016Square Counting49541177811259Coin Changing Again495411779918ASCII Mandelbrot485521780972Horizon Line48552178110224Return of the Jedi48552178210498Happiness48552178311109Rinse48552178411262Weird Fence48552178510766Organising the Organisation47564178610939Ants, Aphids and a Ladybug47564178711165Galactic Travel475641788827Buddy Memory Allocator465761789853DVD Subtitles465761790873Loan (II)465761791960Gaussian Primes46576179210864The Predator46576179311190Series of Powers465761794473Raucous Rockers455891795678Schedule of Taiwan Baseball League455891796898Hole Cutter45589179710266Surveying45589179810289A Square and Equilateral Triangles45589179910797Peaceful Sharing455891800367Halting Factor Replacement Systems446021801611Parallel Deadlock446021802802Lead or Gold44602180310064Travelling in another Dimension44602180410531Maze Statistics44602180511107Life Forms44602180611128Faulty Computer44602180711144S.O.S.446021808581Word Search Wonder436161809842Crossword Puzzles436161810944Happy Numbers43616181110828Back to Kernighan-Ritchie43616181210884Persephone43616181311006Wheel Good43616181411176Winning Streak436161815214Code Generation426311816879Circuit Nets426311817985Round and Round Maze42631181810121Legendary Pokemon42631181910241Semi-triangular and also Square42631182010402Triangle Covering42631182110584Text Formalization42631182211066Aragorn426311823282Rename416461824764Pentominos416461825841Snake41646182610478The Falling Pillars41646182710695Find the Point41646182810752Distant Jumping41646182911017A Greener World41646183011175From D to E and Back41646183111253Fractal41646183210429Mohr's Circle40662183310749Automobile Travelling40662183411126Relaxed Golf40662183511167Monkeys in the Emei Mountain406621836265Dining Diplomats396791837546Image Recognizer396791838976Bridge Building39679183910796Right Hand Rule39679184011156Continuous Drawing396791841237Monitoring Wheelchair Patients386971842683Character Decoding386971843744Triangular Museum386971844822Queue and A386971845946A Pile of Boxes386971846947Master Mind Helper38697184711033Help my Brother386971848269Counting Patterns377161849569Horse Shoe Scoring377161850747Grid Soccer377161851804Petri Net Simulation377161852877Offset Polygons377161853990Diving for Gold377161854997Show the Sequence37716185510676Grid Points37716185610893Creating Sudoku Puzzles37716185710967The Great Escape37716185811065A Gentlemen's Agreement37716185911187Water Crisis377161860243Theseus and the Minotaur (II)367361861284Logic367361862655Scrabble367361863878Rotating Tetris Pieces367361864995Super Divisible Numbers36736186510031Saskatchewan36736186611255Necklace367361867262Transferable Voting35757186810671Grid Speed35757186910758Journey35757187010808Rational Resistors35757187110833Lunar Forest35757187210949Kids in a Grid35757187311183Teen Girl Squad357571874809Bullet Hole347791875819Gifts Large and Small34779187610103Karpovich blocks34779187710108The Mosquito Killer Mosquitos34779187810119Farewell, my friend34779187910975Dueue's Quiz34779188011025Mr. And Mrs. Hamilton34779188111210Chinese Mahjong347791882285Crosswords338031883289A Very Nasty Text Formatter338031884925No more prerequisites, please!33803188510135Herding Frosh33803188610414Denki Blocks33803188711212Editing a Book338031888475Wild Thing328281889549Evaluating an Equations Board328281890728Scatter Point Plot328281891906Rational Neighbor32828189210538Powerful Magic Squares32828189311250Working with Small Numbers328281894266Stamping Out Stamps318541895769Magic of David Copperfield318541896823Stopper Stumper31854189710770Sokoban31854189811007Mini Cube31854189911266Equations318541900329PostScript Emulation308831901904Overlapping Air Traffic Control Zones30883190210675Revenge of Faucet Flow30883190311114Polygon Encoder308831904359Sex Assignments And Breeding Experiments299131905915Stack of Cylinders299131906978Lemmings Battle!29913190710605Mines For Diamonds29913190810737The Difference Engine29913190911102Moonshine29913191011214Guarding the Chessboard29913191111252Take Me Home (To the Place I Belong)29913191211268Reliable Network299131913225Golygons289461914293Bits289461915650Bowl289461916890Maze (II)28946191710628Quadrills28946191810691Subway28946191910972RevolC FaeLoN28946192011037Point of View in Flatland289461921251Nondeterministic Trellis Automata279811922396Top Dog27981192310572Black & White27981192410863Shovelling Snow27981192511050Construct the wall maze279811926205Getting There2610191927244Train Time2610191928504Random number2610191929891Syntrax261019193010153New Horizons261019193110829L-Gap Substrings261019193211171SMS261019193311177Fighting Against a Polygonal Monster261019193411267The Hire-a-Coder Business Model2610191935295Fatman2510591936979The Abominable Triangleman251059193711046Numbers and operations2510591938687Lattice Practices241104193910485Painting with CSE241104194011169Deal or No Deal241104194111179Bit Stream241104194211196Birthday Cake2411041943746Polygon Visibility2311521944982Cube231152194510435Compare Directories231152194610969Sweet Dream231152194711009Geometry Once Again231152194811215How Many Numbers?2311521949730Morse Code Generation2212041950970Particles221204195110756HardNumbers221204195211209Be Together Again and Forever221204195311257New Marketing Plan2212041954777Codebreakers2112611955813Robot2112611956912Live From Mars211261195710988From G to H and back211261195811146Insurrection2112611959212Use of Hospital Facilities2013241960666Rating201324196110151Spaghetti201324196210155Green Eggs and Ham201324196311075Collage2013241964203Running Lights Visibility Calculator1913941965801Flight Planning1913941966905Tacos Panchita1913941967953The Incredible Pile Machine1913941968980X-Express191394196911098Battle II191394197011189A Simple Pendulum191394197111194Stone Grid1913941972322Ships1814711973797Two Way Traffic1814711974807Towers of Powers1814711975854Worse Code181471197610143Loan181471197710314Three Pigs181471197810753Exponential Function181471197911135Gopher that walks and swims181471198011251Fractions1814711981204Robot Crash1715581982249Bang the Drum Slowly1715581983304Department1715581984794Straightest Paths1715581985798Tile Puzzle1715581986829Almost Balanced Trees1715581987862Origami171558198811023Multisets and Sequences171558198911119Chemical Attraction171558199011193Infinix1715581991207PGA Tour Prize Money1616551992605The Rotating Disk1616551993646The Gourmet Club1616551994723Comment Removal1616551995886Named Extension Dialing1616551996887Revolutionary Calendar1616551997889Islands161655199810096The Richest Man of the Universe161655199910762Treasure Castle161655200010846Reading time from a clock161655200110952Pattern Transformations161655200211041Quarter-Finals with Brazil!? No!!!161655200311079What's the Time?161655200411142MineSweeper II161655200511163Jaguar King1616552006223Classifying Lots in a Subdivision1517662007292Presentation Error1517662008864Scheme Pretty-Printing1517662009909The BitPack Data Compression Problem1517662010921A Word Puzzle in the Sunny Mountains1517662011922Rectangle by the Ocean151766201210046Fold-up Patterns151766201310636Stretching Geometry151766201411141Sugar Cubes1517662015233Package Pricing1418922016720Hares and Foxes141892201711139Counting Quadrilaterals1418922018996Find the Sequence132037201910629Truckin'132037202011197Counting RNA sequences132037202111265The Sultan's Problem1320372022235Typesetting1222072023281Rubik's Cube1222072024690Pipeline Scheduling1222072025691Triangle Partition1222072026885Telephone Directory Alphabetization1222072027888Donkey1222072028949Getaway1222072029952Uno game1222072030954Tetravex solver1222072031959Car Rallying1222072032981Systematic Cyclic Redundancy Check Codes1222072033987Maternity122207203410639Square Puzzle1222072035248Cutting Corners1124082036749Machine Repair Simulation1124082037849Radar Tracking1124082038955Interpreting Old Maps1124082039992Customer Service Cost Evaluation112408204010492Optimal Mastermind Strategy112408204110861Security by Ambiguity1124082042217Radio Direction Finder1026492043279Spin1026492044525Milk Bottle Data1026492045950Tweedle Numbers1026492046956The Minimum Slot Machine1026492047241Sail Race929432048354Crazy Calculator929432049786Working with Relations929432050923One Against Many929432051975Gutenberg Clumsy Helper92943205210857Easter Eggs929432053463Polynomial Factorization833112054917Euro 2004833112055919Cutting Polyominoes833112056958A Homer's Holiday833112057984Finding Haplotypes83311205810383Queen vs Rook83311205910955Playfair Cipher833112060894Juggling Trams737842061964Custom Language737842062973The Guessing Game73784206310778Mathemagicland73784206410840Multi-stage Compressor64414206511145AvreniM64414206611154An Octal World64414206711199Equations in Disguise644142068219Department of Redundancy Department552972069951The Pieces of the Puzzle55297207010630Millennium Ceremony55297207111143Subtitles552972072693Digital Racing Circuit466212073977Old West Rumours46621207410657Prince Frog II46621207510974The Ridiculous Game46621207611211Digital Logic46621207710971Building Construction38828207811213Flipull38828207911248Frequency Hopping388282080961Ambiguous or Incomplete Inductive Definitions213243208110059The Hazard of CSE Department!213243208210757Interpreting SQL2132432083109663KP-BASH Project2132432084236VTAS - Vessel Traffic Advisory Service1264852085863Process Scheduling1264852086896Board Game126485208710781Global Positioning System126485208810845The crusades126485208911263Nested Rectangles1264852090224Kissin' Cousins0Impossible2091228Resource Allocation0Impossible2092252Trucking0Impossible2093287Text Comparsion0Impossible2094351``Cheapest'' Scores0Impossible2095360Don't Get Hives From This One!0Impossible2096363Approximate Matches0Impossible2097364Constitutional Computing0Impossible2098368Indexing Web Pages0Impossible2099372WhatFix Notation0Impossible2100456Robotic Stacker0Impossible2101461The Reservation Maker0Impossible2102470Nasty Virus0Impossible2103472Simultaneous Equations0Impossible2104479Irrigation Flow Rates0Impossible2105480Tempus Fugit0Impossible2106508Morse Mismatches0Impossible2107509RAID!0Impossible2108510Optimal Routing0Impossible2109511Do You Know the Way to San Jose?0Impossible2110513Window Frames0Impossible2111522Schedule Problem0Impossible2112528The Problem of Train Setout0Impossible2113582Randomly Wired Neural Nets0Impossible2114596The Incredible Hull0Impossible2115597Last Name First, Please0Impossible2116649You Who?0Impossible2117675Convex Hull of the Polygon0Impossible2118717Calculating Expressions on Turing Machine0Impossible2119724Reverse0Impossible2120761Transform those strings0Impossible2121768Crossword0Impossible2122770Puncher0Impossible2123771Flying Stars0Impossible2124772Divide et unita0Impossible2125773The JustaPox Language0Impossible2126774Driving in City Squares0Impossible2127778Recording a tape0Impossible2128779Wily Hacker's Problem0Impossible2129780Sentence Generator0Impossible2130781Optimisation0Impossible2131788One Day Tours0Impossible2132789Indexing0Impossible2133791Term Reductions0Impossible2134792Program Modules0Impossible2135800Crystal Clear0Impossible2136803Page Selection by Keyword Matching0Impossible2137805Polygon Intersections0Impossible2138867Storing Images in a Sequence0Impossible2139875Monopoly0Impossible2140876Balanced Expressions0Impossible2141901From Databases to XML0Impossible2142916Dividing Land0Impossible2143930Polynomial Roots0Impossible2144931The Probable n-Ascendants0Impossible2145932Checking the N-Queens Problem0Impossible2146933Water Flow0Impossible2147934Overlapping Areas0Impossible2148935Smart Strategy0Impossible2149936Mars for Sale0Impossible2150937Kriss Kross Puzzle0Impossible2151938Gilix0Impossible2152939Genes0Impossible2153940Autobiographical Numbers0Impossible2154941Permutations0Impossible2155942Cyclic Numbers0Impossible2156943Number Format Translator0Impossible2157945Loading a Cargo Ship0Impossible2158963Spelling Corrector0Impossible2159965Police Road Blocks0Impossible2160966Lost Inheritances0Impossible2161968Constellations0Impossible2162969AlienAlgebra0Impossible2163971Towers0Impossible2164994POP0Impossible2165998Dendogram0Impossible2166999Book signatures0Impossible216711188A Strange Opera House0Impossible216811208Airplane Scheduling0Impossible216911216Irrigation0Impossible217011217Jewel Magnetizer0Impossible