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MainframeTime Limit: 10 Seconds Memory Limit: 32768 KB Mr. Ronald is responsible for the administration of the mainframe in ACM (Agent on Computing of Mathematics). The agent undertakes the mathemati... 阅读全文
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NTATime Limit: 1 Second Memory Limit: 32768 KB The NTA (Non-deterministic Tree Automata) is a kind of tree structure device. The device is built in a set of operating rules. With these rules the devi... 阅读全文
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AreaTime Limit: 1 Second Memory Limit: 32768 KB Special Judge Jerry, a middle school student, addicts himself to mathematical research. Maybe the problems he has thought are really too easy to an ex... 阅读全文
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EnigmaTime Limit: 10 Seconds Memory Limit: 32768 KB In World War II, Germany once used an electronic encryption machine called Enigma, which played a decisive role in the initial victories of Nazi Ge... 阅读全文
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Gnome TetravexTime Limit: 10 Seconds Memory Limit: 32768 KB Hart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is given n*n squares.... 阅读全文
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Numerical Summation of a SeriesTime Limit: 10 Seconds Memory Limit: 32768 KB Special Judge Produce a table of the values of the series Equation 1 for the 2001 values of x, x= 0.000, 0.001, 0.002, ..... 阅读全文
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Do the UntwistTime Limit: 1 Second Memory Limit: 32768 KB Cryptography deals with methods of secret communication that transform a message (the plaintext) into a disguised form (the ciphertext) so th... 阅读全文
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JugsTime Limit: 1 Second Memory Limit: 32768 KB Special Judge In the movie "Die Hard 3", Bruce Willis and Samuel L. Jackson were confronted with the following puzzle. They were given a 3-gallon jug ... 阅读全文
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Anagrams by StackTime Limit: 1 Second Memory Limit: 32768 KB How can anagrams result from sequences of stack operations? There are two sequences of stack operators which can convert TROT to TORT:wher... 阅读全文
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Five Things You Didn't Know About C++ BybmerryTopCoder Member IntroductionI've been using C++ for many years, but it is such an incredibly rich and complex language that I still learn new things abou... 阅读全文