Ebay数据相关面经_Ebay数据相关面试真题及高频题

1.Relationship between eigenvector and invertible matrix

2.Item平均价格

3.Difference between Key-Value Databases and Document Databases

4.Reverse Words in a Sentence

5.Find the Kth Largest Element

6.Array Value Reduction and Summation

7.Sorting Submatrices by Minimum Element

8.Subarray Matching a Pattern

9.Count Even Number of Digits

10.Matrix Value Search

11.Rectangle Fit Operations

12.Binary String Analysis

13.Memory Allocation and Release System Simulation

14.Minimum Circular Shifts to Match Arrays

15.Addition and Subtraction Validation

16.Rectangle Box Fit

17.Array Sign Check

1. Relationship between eigenvector and invertible matrix

特征根和可逆矩阵之间的关系

2. Item平均价格

一个item list有item id，item categories（即一个item可以属于多个category）和 price，计算某个category的item的平均价格。

3. Difference between Key-Value Databases and Document Databases

What is the difference between key-value databases and document databases?

4. Reverse Words in a Sentence

Reverse the words in a given sentence without reversing the individual words themselves.

5. Find the Kth Largest Element

Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.