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DescriptionA brand-new Japanese puzzle is coming from the East to strike the world-popular Sudoku game and become an international hit. The rules of t... 阅读全文
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DescriptionYou have an arraya[1], a[2], ..., a[n], containing distinct integers from1ton. Your task is to sort this array in increasing order with the... 阅读全文
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DescriptionYou have a strings = s1s2...s|s|, where|s|is the length of strings, andsiitsi-th character.Let's introduce several definitions:A substrings... 阅读全文
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You have decided to start up a new social networking company. Other existing popular social networksalready have billions of users, so the only way to... 阅读全文
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DescriptionLet us consider sets of positive integers less than or equal ton. Note that all elements of a set are different. Also note that the order o... 阅读全文
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DescriptionAn ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smalle... 阅读全文
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DescriptionGiven a set of sticks of various lengths, is it possible to join them end-to-end to form a square?InputThe first line of input contains N, ... 阅读全文
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DescriptionGeorge took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return sticks to ... 阅读全文
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题目描述On the planet Zoop, numbers are represented in base 62, using the digits 0, 1, . . . , 9, A, B, . . . , Z, a, b, . . . , z where A (base 62) = 10 ... 阅读全文
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DescriptionConflicts are everywhere in the world, from the young to the elderly, from families to countries. Conflicts cause quarrels, fights or even ... 阅读全文