摘要:
Reverse a linked list from position m to n. Do it in-place and in one-pass.For example:Given 1->2->3->4->5->NULL, m = 2 and n = 4,return 1->4->3->2->5... 阅读全文
posted @ 2014-06-25 12:35
neverlandly
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摘要:
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.For "(()", the lon... 阅读全文
posted @ 2014-06-25 06:18
neverlandly
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