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 co ...
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其他好文 时间:
2017-06-27 23:27:24
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222
交叉熵可在神经网络(机器学习)中作为损失函数,p表示真实标记的分布,q则为训练后的模型的预测标记分布,交叉熵损失函数可以衡量真实分布p与当前训练得到的概率分布q有多么大的差异。 相对熵(relative entropy)就是KL散度(Kullback–Leibler divergence),用于衡量 ...
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其他好文 时间:
2017-06-27 17:01:26
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326
https://leetcode.com/problems/maximum-distance-in-arrays/ ...
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其他好文 时间:
2017-06-27 08:07:28
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91
Leetcode - 628 Maximum Product of Three Numbers 628. Maximum Product of Three Numbers 628. Maximum Product of Three Numbers 628. Maximum Product of Th ...
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其他好文 时间:
2017-06-27 00:02:02
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240
1 public static String getAgeTxt(String birthTime,String beginTime,int level){ 2 if(StringUtils.isBlank(birthTime)||StringUtils.isBlank(beginTime)){ 3 ...
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编程语言 时间:
2017-06-26 21:04:37
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301
leetcode312: https://leetcode.com/problems/burst-balloons/#/description Given n balloons, indexed from 0 to n-1. Each balloon is painted with a number ...
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其他好文 时间:
2017-06-26 19:00:50
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131
题目描述: Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one trans ...
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其他好文 时间:
2017-06-26 16:07:57
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154
Table Compression 表压缩 The database can use table compression to reduce the amount of storage required for the table. 数据库可以使用表压缩来消除数据块中的重复值。 Compressio ...
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数据库 时间:
2017-06-25 14:22:24
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161
Given a sequence of KK integers { N_1N?1??, N_2N?2??, ..., N_KN?K?? }. A continuous subsequence is defined to be { N_iN?i??, N_{i+1}N?i+1??, ..., N_jN ...
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其他好文 时间:
2017-06-25 13:49:42
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Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example 2: Note: 思路: 首先排序,然后分别判断数组元素最大值 ...
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其他好文 时间:
2017-06-25 12:00:35
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168