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...
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移动开发 时间:
2015-04-23 15:33:03
阅读次数:
177
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...
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其他好文 时间:
2015-04-23 13:33:13
阅读次数:
135
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...
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其他好文 时间:
2015-04-23 13:33:11
阅读次数:
158
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...
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其他好文 时间:
2015-04-23 12:22:33
阅读次数:
173
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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...
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其他好文 时间:
2015-04-23 00:04:29
阅读次数:
665
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:
2015-04-22 20:32:54
阅读次数:
145
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...
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其他好文 时间:
2015-04-22 18:29:04
阅读次数:
103
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...
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其他好文 时间:
2015-04-22 18:20:03
阅读次数:
115
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,
...
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其他好文 时间:
2015-04-22 11:36:08
阅读次数:
165
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...
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其他好文 时间:
2015-04-21 22:41:35
阅读次数:
156