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LeetCode: Trapping Rain Water
Title:Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after rain...
分类:移动开发   时间:2015-04-23 15:33:03    阅读次数:177
Negative and Positive (NP) ( Hash 维护 )
Negative and Positive (NP) Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2846 Accepted Submission(s): 782 Problem Description When given...
分类:其他好文   时间:2015-04-23 13:33:13    阅读次数:135
[LeetCode]Largest Rectangle in Histgram,解题报告
目录目录 题目 思路一 思路二题目Given n non-negative integers representing the histogram’s bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where...
分类:其他好文   时间:2015-04-23 13:33:11    阅读次数:158
LDA Gibbs Sampling
注意:$\alpha$和$\beta$已知,常用为(和LDA EM算法不同)1. 为什么可用LDA模型求解的目标为得到$\phi$和$\theta$假设现在已知每个单词对应的主题$z$,则可以求得$\theta$的后验分布,求期望得到$E(\theta)$作为每份文档的主题$E(\theta_{mk...
分类:其他好文   时间:2015-04-23 12:22:33    阅读次数:173
深度学习方法:受限玻尔兹曼机RBM(三)模型求解,Gibbs sampling
欢迎转载,转载请注明:本文出自Bin的专栏blog.csdn.net/xbinworld。 技术交流QQ群:433250724,欢迎对算法、技术、应用感兴趣的同学加入。 本篇重点讲一下RBM模型求解方法,其实用的依然是梯度上升方法,但是求解的方法需要用到随机采样的方法,常见的有:Gibbs Sampling和对比散度(contrastive divergence, CD)算法。 RBM...
分类:其他好文   时间:2015-04-23 00:04:29    阅读次数:665
LeetCode【66】Plus One
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...
分类:其他好文   时间:2015-04-22 20:32:54    阅读次数:145
LeetCode (19) Multiply Strings
题目描述Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-negative.对两组非负数字进行相乘,使用数组表示数字,且题目中说明数组很大,因此,因此不能直接将...
分类:其他好文   时间:2015-04-22 18:29:04    阅读次数:103
Minimum Path Sum Total Accepted: 34975 Total Submissions: 109325
题目来自于:LeetCode https://leetcode.com/problems/minimum-path-sum/ Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of...
分类:其他好文   时间:2015-04-22 18:20:03    阅读次数:115
LeetCode 11 Container With Most Water 装尽可能多的水
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 (i, ...
分类:其他好文   时间:2015-04-22 11:36:08    阅读次数:165
[LeetCode]Container With Most Water
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 (i, 0). Fin...
分类:其他好文   时间:2015-04-21 22:41:35    阅读次数:156
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