Same Tree
Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and
the n...
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其他好文 时间：
2014-06-19 12:49:17
阅读次数：
301
Given a binary tree, determine if it is height-balanced.
For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never diffe...
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其他好文 时间：
2014-06-19 11:23:05
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204
题目链接Problem discriptionGiven two sorted integer
arrays A and B, merge B into A as one sorted array.Note:You may assume that A
has enough space (size t...
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其他好文 时间：
2014-06-16 11:12:36
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192
AnIntentis an object that provides runtime
binding between separate components (such as two activities).
Theintentrepresents an app’s "intent to do so...
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移动开发 时间：
2014-06-16 10:00:27
阅读次数：
248
参看别人的思路，类似MergeSort的思路，思路是先分成两个子任务，然后递归求子任务，最后回溯回来。这个题目也是这样，先把k个list分成两半，然后继续划分，直到剩下两个list就合并起来，合并时会用到Merge
Two Sorted Lists这道题。 1 /** 2 * Definition....
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其他好文 时间：
2014-06-16 08:26:57
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150
原题地址：https://oj.leetcode.com/problems/gray-code/题意：The
gray code is a binary numeral system where two successive values differ in only
one bit.Given a...
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编程语言 时间：
2014-06-16 07:42:27
阅读次数：
242
题目
The count-and-say sequence is the sequence of integers beginning as follows:
1, 11, 21, 1211, 111221, ...
1 is read off as "one
1" or 11.
11 is read off as "two
1s" or 21.
21 i...
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其他好文 时间：
2014-06-15 18:51:33
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220
题目
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
方法
将num1与0-9相乘的结果存...
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其他好文 时间：
2014-06-14 06:08:30
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229
Swap Nodes in Pairs：Given a linked list, swap every
two adjacent nodes and return its head.For example,Given1->2->3->4, you
should return the list as2...
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其他好文 时间：
2014-06-13 17:04:27
阅读次数：
180
