Reverse Integer

Problem Description

Hive group by get last record

Let's say you have a table like following.

Hive not in example

We can use left join in Hive to implements in or not in operation. Now we have two tables A and B like following.

Implement Stack using Queues

Problem Description

Valid Parentheses

Problem Description

First Missing Positive

Problem Description

Combination Sum II

Problem Description

Combination Sum

Problem Description

git delete remote file

I push my project to remote but I forget add .gitignore file. I use these commands to delete remote file(.idea and target).

Search Insert Position

Problem Description

Search in Rotated Sorted Array

Problem Description

Next Permutation

Problem Description

Remove Element

Problem Description