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HDU 2680 Choose the best route (最短路)
Choose the best routeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7361Accepted Submission(s): 2...
分类:其他好文   时间:2014-10-19 15:30:34    阅读次数:279
Leetcode - Best Time to Buy and Sell Stock
知道是求连续最大子数组后就简单了。但是注意边界条件,如果最大子数组之和<0,那就不要交易了, 返回0. public class Solution { public int maxProfit(int[] prices) { if(prices.length < 2) return 0; int n = prices....
分类:其他好文   时间:2014-10-19 00:06:49    阅读次数:146
Best Time to Buy and Sell Stock II
明白了上一题是求最大的连续子数组之和后,这题就更加简单了,遇到小于0的就不要加。 public class Solution { public int maxProfit(int[] prices) { if(prices.length < 2) return 0; int n = prices.length; ...
分类:其他好文   时间:2014-10-19 00:05:52    阅读次数:194
LeetCode Best Time to Buy and Sell Stock
Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
分类:其他好文   时间:2014-10-18 22:14:23    阅读次数:151
深入浅出 Java Concurrency (4): 原子操作 part 3 指令重排序与happens-before法则
转:http://www.blogjava.net/xylz/archive/2010/07/03/325168.html在这个小结里面重点讨论原子操作的原理和设计思想。由于在下一个章节中会谈到锁机制,因此此小节中会适当引入锁的概念。在Java Concurrency in Practice中是这样...
分类:移动开发   时间:2014-10-17 18:27:07    阅读次数:233
Best Time to Buy and Sell Stock
题目描述:Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transactio...
分类:其他好文   时间:2014-10-17 02:09:43    阅读次数:293
4 Best Time to Buy and Sell Stock III_Leetcode
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 complet...
分类:其他好文   时间:2014-10-16 21:34:53    阅读次数:240
[Apache Spark源代码阅读]天堂之门——SparkContext解析
略微了解Spark源代码的人应该都知道SparkContext,作为整个Project的程序入口,其重要性不言而喻,很多大牛也在源代码分析的文章中对其做了非常多相关的深入分析和解读。这里,结合自己前段时间的阅读体会,与大家共同讨论学习一下Spark的入口对象—天堂之门—SparkContex。Spa...
分类:Web程序   时间:2014-10-16 20:33:13    阅读次数:271
[Leetcode] Best Time to Buy and Sell Stock III
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. You may complete a...
分类:其他好文   时间:2014-10-16 15:45:42    阅读次数:189
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