随笔分类 - UVa OJ
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摘要：Problem B: Andy's First DictionaryTime limit: 3 secondsAndy, 8, has a dream - he wants to produce his very own dictionary. This is not an easy task for him, as the number of words that he knows is, well, not quite enough. Instead of thinking up all the words himself, he has a briliant idea. From
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摘要：Problem ADecode the tapeTime Limit: 1 second"Machines take me by surprise with great frequency."Alan TuringYour boss has just unearthed a roll of old computer tapes. The tapes have holes in them and might contain some sort of useful information. It falls to you to figure out what is writte
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摘要：Excuses, Excuses!Judge Ito is having a problem with people subpoenaed for jury duty giving rather lame excuses in order to avoid serving. In order to reduce the amount of time required listening to goofy excuses, Judge Ito has asked that you write a program that will search for a list of keywords in
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摘要：Artificial Intelligence?Physics teachers in high school often think that problems given as text are more demanding than pure computations. After all, the pupils have to read and understand the problem first!So they don't state a problem like ``U=10V, I=5A, P=?" but rather like ``You have an
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摘要：Problem IAutomatic PoetryInput:standard inputOutput:standard outputTime Limit:2 secondsMemory Limit:32 MB“Oh God”, Lara Croft exclaims, “it’sone of these dumb riddles again!”In Tomb Raider XIV, Lara is, as ever, gunning her way through ancient Egyptian pyramids, prehistoric caves and medival hallway
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摘要：The ? 1 ? 2 ? ... ? n = k problemThe problemGiven the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k? 1 ? 2 ? ... ? n = kFor example: to obtaink = 12, the expression to be used will be:- 1 + 2 + 3 + 4 + 5 + 6 - 7 = 12with
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摘要：Secret ResearchAt a certain laboratory results of secret research are thoroughly encrypted. A result of a single experiment is stored as an information of its completion:`positive result', `negative result', `experiment failed' or `experiment not completed'The encrypted result consti
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摘要：The SnailA snail is at the bottom of a 6-foot well and wants to climb to the top. The snail can climb 3 feet while the sun is up, but slides down 1 foot at night while sleeping. The snail has a fatigue factor of 10%, which means that on each successive day the snail climbs 10%3 = 0.3 feet less than
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摘要：The Cat in the HatBackground(An homage to Theodore Seuss Geisel)The Cat in the Hat is a nasty creature,But the striped hat he is wearing has a rather nifty feature.With one flick of his wrist he pops his top off.Do you know what's inside that Cat's hat?A bunch of small cats, each with its ow
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摘要：Box of BricksLittle Bob likes playing with his box of bricks. He puts the bricks one upon another and builds stacks of different height. ``Look, I've built a wall!'', he tells his older sister Alice. ``Nah, you should make all stacks the same height. Then you would have a real wall.'
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摘要：Cube paintingWe have a machine for painting cubes. It is supplied with three different colors: blue, red and green. Each face of the cube gets one of these colors. The cube's faces are numbered as in Figure 1.Figure 1.Since a cube has 6 faces, our machine can paint a face-numbered cube indiffere
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摘要：Problem A.Ant on a ChessboardBackgroundOne day, an ant called Alice came to an M*M chessboard. She wanted to go around all the grids. So she began to walk along the chessboard according to this way: (you can assume that her speed is one grid per second)At the first second, Alice was standing at (1,1
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摘要：PalindromesA regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string"ABCDEDCBA"is a palindrome because it is the same when the string is read from left to right as when the string is read from right to left.A mirrored string is a s
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摘要：OverflowWrite a program that reads an expression consisting of two non-negative integer and an operator. Determine if either integer or the result of the expression is too large to be represented as a ``normal'' signed integer (typeintegerif you are working Pascal, typeintif you are working
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摘要：Tree's a CrowdDr William Larch, noted plant psychologist and inventor of the phrase ``Think like a tree--Think Fig'' has invented a new classification system for trees. This is a complicated system involving a series of measurements which are then combined to produce three numbers (in th
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摘要：Where's Waldorf?Given ambyngrid of letters, (), and a list of words, find the location in the grid at which the word can be found. A word matches a straight, uninterrupted line of letters in the grid. A word can match the letters in the grid regardless of case (i.e. upper and lower case letters
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摘要：Carmichael NumbersAn important topic nowadays in computer science is cryptography. Some people even think that cryptography is the only important field in computer science, and that life would not matter at all without cryptography. Alvaro is one of such persons, and is designing a set of cryptogr
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摘要：UVa 107:http://www.cnblogs.com/lzj-0218/p/3517151.htmlUVa 125:http://www.cnblogs.com/lzj-0218/p/3586634.htmlUVa 147:http://www.cnblogs.com/lzj-0218/p/3554664.htmlUVa 152:http://www.cnblogs.com/lzj-0218/p/3504377.htmlUVa 253:http://www.cnblogs.com/lzj-0218/p/3506856.htmlUVa 348:http://www.cnblogs.com
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摘要：English-Number TranslatorIn this problem, you will be given one or more integers in English. Your task is to translate these numbers into their integer representation. The numbers can range from negative 999,999,999 to positive 999,999,999. The following is an exhaustive list of English words that y
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