Problem Description:
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbe...
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其他好文 时间：
2014-07-31 20:47:17
阅读次数：
215
Description
Recall the definition of the Fibonacci numbers:
f1 := 1
f2 := 2
fn := fn-1 + fn-2 (n>=3)
Given two numbers a and b, calculate how many Fibonacci numbers are in the range...
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其他好文 时间：
2014-07-31 17:11:07
阅读次数：
325
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be ...
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其他好文 时间：
2014-07-31 12:14:56
阅读次数：
222
题目：Given an array where elements are sorted in ascending order, convert it to a height balanced BST.题解：先复习下什么是二叉搜索树（引自Wikipedia）：二叉查找树（Binary Search ....
分类：
编程语言 时间：
2014-07-31 05:21:55
阅读次数：
215
DescriptionGiven a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1 x 1 or greater locat...
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其他好文 时间：
2014-07-31 02:38:55
阅读次数：
292
题目：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 identica....
分类：
编程语言 时间：
2014-07-31 02:24:15
阅读次数：
211
Description
The Fibonacci sequence is the sequence of numbers such that every element is equal to the sum of the two previous elements, except for the first two elements f0 and f1 which are respect...
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其他好文 时间：
2014-07-31 00:08:05
阅读次数：
281
问题描述：
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
For example,
If n = 4 and k = 2, a solution is:
[ [2,4], [3,4], [2,3], [1,2], [1,3], [1,4],]
解题思路...
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其他好文 时间：
2014-07-31 00:04:35
阅读次数：
204
Remove Duplicates from Sorted Array IIFollow up for "Remove Duplicates":What if duplicates are allowed at mosttwice?For example,Given sorted array A =...
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其他好文 时间：
2014-07-30 20:22:54
阅读次数：
139
A Famous Stone Collector
Problem Description
Mr. B loves to play with colorful stones. There are n colors of stones in his collection. Two stones with the same color are indistinguishable. M...
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其他好文 时间：
2014-07-30 17:41:44
阅读次数：
287
