Divide two integers without using multiplication, division and mod operator.
思路：1.先将被除数和除数转化为long的非负数，注意一定要为long，因为Integer.MIN_VALUE的绝对值超出了Integer的范围。
2.常理：任何正整数num都可以表示为num=2^a+2^b+2^c+.....
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其他好文 时间：
2014-06-25 19:46:17
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246
Peterson's algorithm (AKA Peterson's solution) is a concurrent
programming algorithm for mutual
exclusion that allows two processes to share a single-use resource without conflict, using only shar...
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编程语言 时间：
2014-06-25 19:38:19
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748
题目：Tuhao and his two small partners participated in the tournament.But in the end, they lost the chance to finish a mathematical problem.After the com...
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其他好文 时间：
2014-06-25 18:07:35
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333
Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three integers. You m...
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其他好文 时间：
2014-06-25 15:26:21
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203
赋值语句variable=expression几种赋值的实例：x = x1+x2;x = sum(of x1-x6); 括号中要用ofsum(x,y);如果x或y中有一个为缺失值,sum的结果会将缺失值设为0，而如果用z=x+y;有缺失值的话z的结果会为缺失值ar(1) = br(1); *将数组b...
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其他好文 时间：
2014-06-25 00:36:53
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1693
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Xor Sum
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)
Total Submission(s): 291 Accepted Submission(s): 151
Problem Description
Zeus 和...
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其他好文 时间：
2014-06-24 23:43:48
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343
【题目】
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete at most two transactions.
Note:
You may not engage in multiple transactions at the same time (i...
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其他好文 时间：
2014-06-24 23:28:43
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223
题目
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 numbers and return...
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其他好文 时间：
2014-06-24 21:46:24
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249
【题目】
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 binary tree,
1
/ 2 3
Return 6.
【题意】
给定一棵二叉树，找出其中路径和最大的路径，然会返回最大路径和。
本题中的路径不是从根节点到叶子节点这样的传统的路...
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其他好文 时间：
2014-06-24 20:42:59
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268
题目
Given n non-negative integers a1, a2,
..., an, where each represents a point at coordinate (i, ai). n vertical
lines are drawn such that the two endpoints of line i is at (i, ai) and (...
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其他好文 时间：
2014-06-24 16:00:49
阅读次数：
220
