March 16, 2016 Problem statement:Given a 2D array (matrix) named M, print all items of M in a spiral order, clockwise.For example: M  =  1   2   3   4   5       6   7   8   9  10      11  12  13  14  15      16  17  18  19  20 The clockwise spiral pr…

Pramp - mock interview experience   February 23, 2016 Read the article today from hackerRank blog on facebook: http://venturebeat.com/2016/02/18/how-i-landed-a-google-internship-in-6-months/?utm_content=buffer5c137&utm_medium=social&utm_source=fac…

leetcode & Mock Interview https://leetcode.com/interview/ xgqfrms 2012-2020 www.cnblogs.com 发布文章使用:只允许注册用户才可以访问!…

Spiral Matrix Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 思路: 可参考剑指…

https://leetcode.com/problems/spiral-matrix/ Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return …

Given an array with integers. Find two non-overlapping subarrays A and B, which |SUM(A) - SUM(B)| is the largest. Return the largest difference. 1,-2,3,-1 1,3 A -1 B 7 public int maxDiffSubArrays(int[] nums) { // write your code here } Solution: publ…

原题链接在这里:https://leetcode.com/problems/spiral-matrix-iii/ 题目: On a 2 dimensional grid with R rows and C columns, we start at (r0, c0) facing east. Here, the north-west corner of the grid is at the first row and column, and the south-east corner of the…

Landing a job interview is incredibly exciting –- and often terrifying. But fear not. There are clever ways to transform your angst into nerves of steel. After all, a good interview should feel like a conversation, not an interrogation. Here are five…

数据类型.模型或节点——这些都只是mock对象可承担的角色.但mock在单元测试中扮演一个什么角色呢? 有时,你需要为单元测试的初始设置准备一些“其他”的代码资源.但这些资源兴许会不可用,不稳定,或者是使用起来太笨重.你可以试着找一些其他的资源替代:或者你可以通过创建一个被称为mock的东西来模拟它.Mocks能够让我们模拟那些在单元测试中不可用或太笨重的资源. 在Python中创建mock是通过Mock模块完成的.你可以通过每次一个属性(one-attribute-at-a-time)或一个健…

Palindromic Matrix time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Let's call some square matrix with integer values in its cells palindromic if it doesn't change after the order of rows i…