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题目: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 题目大意: 给定k条有序链表,求k条链表有序合并后的链表。 思路: 看到这... 阅读全文
posted @ 2016-04-20 23:43
Jung_zhang
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题目: Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution ... 阅读全文
posted @ 2016-04-20 19:57
Jung_zhang
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