摘要: Binary Search Tree IteratorImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callin... 阅读全文
posted @ 2014-12-31 16:32 陆草纯 阅读(5160) 评论(1) 推荐(1) 编辑
摘要: Missing RangesGiven a sorted integer array where the range of elements are [lower, upper] inclusive, return its missing ranges.For example, given [0, ... 阅读全文
posted @ 2014-12-31 15:51 陆草纯 阅读(1686) 评论(2) 推荐(0) 编辑
摘要: Exercise:Vectorization习题的链接:Exercise:Vectorization注意点:MNIST图片的像素点已经经过归一化。如果再使用Exercise:Sparse Autoencoder中的sampleIMAGES.m进行归一化,将使得训练得到的可视化权值如下图:更改trai... 阅读全文
posted @ 2014-12-31 13:43 陆草纯 阅读(684) 评论(0) 推荐(0) 编辑