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Description Binary-coded decimal (BCD) is an encoding for decimal numbers in which each digit is represented by its own binary sequence. To encode a d 阅读全文
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Description Little jay really hates to deal with string. But moondy likes it very much, and she's so mischievous that she often gives jay some dull pr 阅读全文
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Problem Description For the hope of a forever love, Steven is planning to send a ring to Jane with a romantic string engraved on. The string's length should not exceed N. The careful Steven knows Jane... 阅读全文
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Description One day, Nobita found that his computer is extremely slow. After several hours' work, he finally found that it was a virus that made his p 阅读全文
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Problem Description In the modern time, Search engine came into the life of everybody like Google, Baidu, etc.Wiskey also wants to bring this feature to his image retrieval system.Every image have a l... 阅读全文