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模拟类DescriptionIn a modernized warehouse, robots are used to fetch the goods. Careful planning is needed to ensure that the robots reach their destinations without crashing into each other. Of course, ... 阅读全文
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模拟类DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways: q By an integer sequence P = p1 p2...pn where pi is the number of left parentheses bef... 阅读全文
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输入字符串为二叉树的先根遍历（Pre-order string），可采用堆栈或者递归。一般pre-order 字符串计算使用递归， post-order 字符串计算使用堆栈DescriptionWFF 'N PROOF is a logic game played with dice. Each die has six faces representing some subset of the p... 阅读全文
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一共四种可能的情况1） 4s + d 〉0，ssssdssssdss2）3s + 2d 〉 0，sssddsssddss3）2s + 3d 〉 0，ssdddssdddss4）1s + 4d 〉 0，sddddsddddsd并且对于给定的s和d， year sum: 1）〉 2） 〉 3） 〉 4）DescriptionAccounting for Computer Mac... 阅读全文