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Given a sequence of positive integers and another positive integer p. The sequence is said to be a "perfect sequence" if M #define LL long longusing n... 阅读全文
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On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters corresponding to those keys will not appear on sc... 阅读全文
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One important factor to identify acute stroke (急性脑卒中) is the volume of the stroke core. Given the results of image analysis in which the core regions ... 阅读全文
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A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer... 阅读全文
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According to Wikipedia:Insertion sortiterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insertio... 阅读全文
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For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, product and quotient.Input Spe... 阅读全文
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Zhejiang University has 6 campuses and a lot of gates. From each gate we can collect the in/out times and the plate numbers of the cars crossing the g... 阅读全文
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A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same generation. Your task is to find t... 阅读全文
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The stringAPPAPTcontains twoPAT's as substrings. The first one is formed by the 2nd, the 4th, and the 6th characters, and the second one is formed by ... 阅读全文
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Eva would like to make a string of beads with her favorite colors so she went to a small shop to buy some beads. There were many colorful strings of b... 阅读全文