摘要：
Given an unsorted array nums, reorder it such that nums[0] < nums[1] > nums[2] < nums[3].... Example 1: Example 2: Note:You may assume all input has v 阅读全文
posted @ 2016-01-18 13:59
Grandyang
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摘要：
Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not the... 阅读全文
posted @ 2016-01-18 13:20
Grandyang
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摘要：
Given an integer, write a function to determine if it is a power of three. Example 1: Example 2: Example 3: Example 4: Follow up:Could you do it witho 阅读全文
posted @ 2016-01-18 06:41
Grandyang
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You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Return 阅读全文
posted @ 2016-01-18 02:39
Grandyang
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