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
阅读次数:
748
【问题】
Given n points
on a 2D plane, find the maximum number of points that lie on the same straight line.
【思路】
对每一个点,分别计算这个点和其他所有点构成的斜率,具有相同斜率最多的点所构成的直线,就是具有最多点的直线。
【代码】
class Point:
def __in...
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编程语言 时间:
2014-06-25 19:34:29
阅读次数:
246
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
阅读次数:
333
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:
2014-06-25 14:58:16
阅读次数:
210
2 初识CAPWAP 2.1 CAPWAP简介 说了半天CAPWAP,连全称都还没说,汗…… CAPWAP——Control And Provisioning of Wireless Access Points Protocol Specification。其由两个部分组成:CAPWAP协议和无线B...
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其他好文 时间:
2014-06-25 13:02:19
阅读次数:
178
vtk基础编程(2)-读取数据文件中的坐标点1. 案例说明在实际计算中,常常需要大量的数据, 这个时候数据文件就必不可少, 例如数据文件points.dat, 中存放了三个点的坐标,0.0 0.0 0.0 1.0 0.0 0.0 0.0 1.0 0.0 1.0 1.0 0.0读取坐标文件最简单的方法...
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其他好文 时间:
2014-06-25 00:57:39
阅读次数:
208
【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
阅读次数:
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
阅读次数:
249
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