2015年4月23日
摘要：
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ... 阅读全文
posted @ 2015-04-23 20:43
NealCaffrey989
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摘要：
Given a linked list, remove thenthnode from the end of list and return its head.For example.Given linked list: 1->2->3->4->5, and n = 2.After removing... 阅读全文
posted @ 2015-04-23 16:23
NealCaffrey989
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