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Robberies Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that the bad guys usually gets caught in the en 阅读全文
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Bone Collector Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect vari 阅读全文
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Repetitions of Substrings Description The “repetitions” of a string S(whose length is n) is a maximum number “k” such that: 1) k is a factor of n 2) S 阅读全文
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Hamming Distance Description Have you ever heard of the Hamming distance. It is the number of positions for which the corresponding digits differ. You 阅读全文
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The sum problem Problem Description Given a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-se 阅读全文
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Moving Tables Problem Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following fi 阅读全文