Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3].Not...
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其他好文 时间：
2015-06-14 16:28:17
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79
Given a binary tree, return thepostordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[3,2,1].No...
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其他好文 时间：
2015-06-14 16:24:41
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112
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space. Y...
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其他好文 时间：
2015-06-14 09:32:09
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144
Excel Sheet Column NumberRelated to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column ...
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编程语言 时间：
2015-06-14 08:14:25
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154
Excel Sheet Column TitleGiven a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A 2 -> B ...
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编程语言 时间：
2015-06-14 08:11:21
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220
Find Peak ElementA peak element is an element that is greater than its neighbors.Given an input array wherenum[i] ≠ num[i+1], find a peak element and ...
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编程语言 时间：
2015-06-14 06:59:21
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127
Given a binary tree, return the zigzag level order traversal of its nodes’ values. (ie, from left to right, then right to left for the next level and alternate between).For example:
Given binary tree...
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其他好文 时间：
2015-06-13 14:20:17
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121
题目链接 题目要求： Find the total area covered by two rectilinear rectangles in a 2D plane. Each rectangle is defined by its bottom left corner and top r...
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其他好文 时间：
2015-06-13 14:03:18
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109
Given a binary tree, return the bottom-up level order traversal of its nodes’ values. (ie, from left to right, level by level from leaf to root).For example:
Given binary tree {3,9,20,#,#,15,7}, 3...
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其他好文 时间：
2015-06-13 12:57:50
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98
Given a binary tree, return the preorder traversal of its nodes’ values.For example:
Given binary tree{1,#,2,3}, 1
2
/
3return [1,2,3].递归遍历：/**C++
* Definition for a binary tree n...
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其他好文 时间：
2015-06-13 11:27:51
阅读次数：
143
