Problem Description:Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below bina...
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其他好文 时间：
2014-07-07 15:57:05
阅读次数：
252
C/C++如何产生随机数：这里要用到的是rand()函数, srand()函数，C语言/C++里没有自带的random(int number)函数。(1) 假设你仅仅要产生随机数而不须要设定范围的话，你仅仅要用rand()就能够了：rand()会返回一随机数值, 范围在0至RAND_MAX 间。RA...
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编程语言 时间：
2014-07-07 15:25:20
阅读次数：
210
Problem Description:Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit...
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其他好文 时间：
2014-07-07 15:24:41
阅读次数：
212
ECMAScript规范中使用IEEE754格式来表示整数和浮点数。支持十进制、八进制以及十六进制。有一点注意的是八进制数字在严格模式下是无效的，这可能会影响到程序的正常运行。 避免浮点数等值判断： 众所周知，基于IEEE754进行数据计算会产生舍入误差，最为经典的例子: 0.1+0.2 = 0.3...
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编程语言 时间：
2014-07-07 13:01:37
阅读次数：
192
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
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其他好文 时间：
2014-07-03 11:53:07
阅读次数：
182
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1...
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其他好文 时间：
2014-07-01 00:23:01
阅读次数：
248
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间：
2014-06-30 22:43:45
阅读次数：
294
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
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其他好文 时间：
2014-06-30 21:36:50
阅读次数：
292
题目
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it witho...
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其他好文 时间：
2014-06-30 19:38:37
阅读次数：
226
题目
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it...
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其他好文 时间：
2014-06-30 19:23:18
阅读次数：
200
