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Problem : Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. For example, gi 阅读全文
posted @ 2020-02-09 22:22
littledy
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Problem : Given two words word1 and word2 , find the minimum number of operations required to convert word1 to word2 . You have the following 3 operat 阅读全文
posted @ 2020-02-09 22:07
littledy
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Problem : Given a set of candidate numbers ( ) ( without duplicates ) and a target number ( ), find all unique combinations in where the candidate num 阅读全文
posted @ 2020-02-09 11:54
littledy
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Problem : Given an input string ( ) and a pattern ( ), implement wildcard pattern matching with support for ' ' and ' '. Note: could be empty and cont 阅读全文
posted @ 2020-02-09 10:51
littledy
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Problem : A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a 阅读全文
posted @ 2020-02-09 10:44
littledy
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