acm_zh的博客

The Pilots Brothers' refrigeratorTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 24421   Accepted: 9416   Special Judge DescriptionThe game “The Pilots Brothers:...

TautologyTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12135   Accepted: 4627 DescriptionWFF 'N PROOF is a logic game played with dice. Each die has six faces repres...

TilingTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9378   Accepted: 4467 DescriptionIn how many ways can you tile a 2xn rectangle by 2x1 or 2x2 tiles?Here is a sam...

Ubiquitous ReligionsTime Limit: 5000MS   Memory Limit: 65536K Total Submissions: 32338   Accepted: 15675 DescriptionThere are so many different religions in the world today that it...

Y2K Accounting BugTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13868   Accepted: 7012 DescriptionAccounting for Computer Machinists (ACM) has sufferred from the Y2K...

Flip GameTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 40791   Accepted: 17715 DescriptionFlip game is played on a rectangular 4x4 field with two-sided pieces placed...

Spell checkerTime Limit: 2000MS   Memory Limit: 65536K Total Submissions: 24938   Accepted: 9117 DescriptionYou, as a member of a development team for a new spell checking program,...

Blue JeansTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 17150   Accepted: 7606 DescriptionThe Genographic Project is a research partnership between IBM and The Natio...

All in AllTime Limit: 1000MS   Memory Limit: 30000K Total Submissions: 32401   Accepted: 13472 DescriptionYou have devised a new encryption technique which encodes a message by ins...

Ultra-QuickSortTime Limit: 7000MS   Memory Limit: 65536K Total Submissions: 57710   Accepted: 21327 DescriptionIn this problem, you have to analyze a particular sorting algorithm. ...

The SuspectsTime Limit: 1000MS   Memory Limit: 20000K Total Submissions: 34957   Accepted: 16979 DescriptionSevere acute respiratory syndrome (SARS), an atypical pneumonia of unkno...

ParencodingsTime Limit: 1000MS   Memory Limit: 10000K Total Submissions: 25090   Accepted: 14793 DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S can be enc...

 Catch That CowTime Limit: 2000MS   Memory Limit: 65536K Total Submissions: 77940   Accepted: 24626  DescriptionFarmer John has been informed of the location of a fugitive cow ...

  Language:Default Prime Path Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 17886   Accepted: 10073 Description The ministers of the ca...

Radar InstallationTime Limit: 1000MS   Memory Limit: 10000K Total Submissions: 77204   Accepted: 17294 DescriptionAssume the coasting is an infinite straight line. Land is in one s...

Antenna PlacementTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9126   Accepted: 4511 DescriptionThe Global Aerial Research Centre has been allotted the task of build...

The Cow LexiconTime Limit: 2000MS   Memory Limit: 65536K Total Submissions: 10097   Accepted: 4847 DescriptionFew know that the cows have their own dictionary with W (1 ≤ W ≤ 600) ...

Agri-NetTime Limit: 1000MS   Memory Limit: 10000K Total Submissions: 54126   Accepted: 22476 DescriptionFarmer John has been elected mayor of his town! One of his campaign promises...

HighwaysTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 29349   Accepted: 13368 DescriptionThe island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has...

Truck HistoryTime Limit: 2000MS   Memory Limit: 65536K Total Submissions: 25977   Accepted: 10079 DescriptionAdvanced Cargo Movement, Ltd. uses trucks of different types. Some truc...

ArbitrageTime Limit: 1000MS   Memory Limit: 65536K Total Submissions: 21570   Accepted: 9188 DescriptionArbitrage is the use of discrepancies in currency exchange rates to transfor...

Stockbroker GrapevineTime Limit: 1000MS   Memory Limit: 10000K Total Submissions: 34790   Accepted: 19303 DescriptionStockbrokers are known to overreact to rumours. You have been c...

Frogger Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 39249   Accepted: 12628 Description Freddy Frog is sitting on a stone in the middle o...

Currency Exchange Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 27627   Accepted: 10256 Description Several currency exchange points are wo...

Fence RepairTime Limit: 2000MS   Memory Limit: 65536K Total Submissions: 42935   Accepted: 13983 DescriptionFarmer John wants to repair a small length of the fence around the pastu...