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Coursera Algorithms week3 快速排序 练习测验: Nuts and bolts
题目原文: Nuts and bolts. A disorganized carpenter has a mixed pile of n nuts and n bolts. The goal is to find the corresponding pairs of nuts and bolts. ...
分类:编程语言   时间:2017-07-25 21:09:34    阅读次数:224
Coursera Algorithms week2 栈和队列 练习测验: Stack with max
题目原文: Stack with max. Create a data structure that efficiently supports the stack operations (push and pop) and also a return-the-maximum operation. A ...
分类:其他好文   时间:2017-07-24 19:16:47    阅读次数:181
Coursera Algorithms week3 归并排序 练习测验1: Merging with smaller auxiliary array
题目原文: Suppose that the subarray a[0] to a[n-1] is sorted and the subarray a[n] to a[2*n-1] is sorted. How can you merge the two subarrays so that a[0] ...
分类:编程语言   时间:2017-07-22 00:44:32    阅读次数:284
Coursera Algorithms week2 栈和队列 Interview Questions: Queue with two stacks
题目原文: Implement a queue with two stacks so that each queue operations takes a constant amortized number of stack operations. 题目要求用栈实现队列的所有操作。 ...
分类:其他好文   时间:2017-07-22 00:43:51    阅读次数:205
Coursera Algorithms week2 基础排序 Interview Questions: 1 Intersection of two sets
题目原文: Given two arrays a[] and b[], each containing n distinct 2D points in the plane, design a subquadratic algorithm to count the number of points t ...
分类:编程语言   时间:2017-07-22 00:12:01    阅读次数:236
Coursera Algorithms week2 基础排序 Interview Questions: 2 Permutation
题目原文: Given two integer arrays of size n , design a subquadratic algorithm to determine whether one is a permutation of the other. That is, do they co ...
分类:编程语言   时间:2017-07-22 00:06:56    阅读次数:226
Theano Multi Layer Perceptron 多层感知机
理论 机器学习技法:https://www.coursera.org/course/ntumltwo 假设上述网址不可用的话,自行度娘找别人做好的种子。或者看这篇讲义也能够:http://www.cnblogs.com/xbf9xbf/p/4712785.html Theano代码 须要使用我上一篇 ...
分类:其他好文   时间:2017-07-21 10:41:54    阅读次数:255
Coursera Algorithms week1 Interview Questions: Search in a bitonic array
题目要求: An array is bitonic if it is comprised of an increasing sequence of integers followed immediately by a decreasing sequence of integers. Write a ...
分类:其他好文   时间:2017-07-20 00:53:00    阅读次数:271
Coursera Algorithms week1 Interview Questions: 3Sum in quadratic time
题目要求: Design an algorithm for the 3-SUM problem that takes time proportional to n2 in the worst case. You may assume that you can sort the n integers ...
分类:其他好文   时间:2017-07-20 00:44:54    阅读次数:285
Coursera Algorithms Programming Assignment 2: Deque and Randomized Queue
这次作业与第一周作业相比,稍微简单一些。有三个编程练习:双端队列(Deque)设计、随机队列(Randomized Queue)设计,还有一个排列组合类Permutation。 一、双端队列Deque 设计要求:A double-ended queue or deque (pronounced "d ...
分类:其他好文   时间:2017-07-19 14:12:44    阅读次数:140
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