There are two common problem when updating brew.
Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length.
Given an array, rotate the array to the right by k steps, where k is non-negative.
Given a set of candidate numbers (candidates) (without duplicates) and a target number (target), find all unique combinations in candidates where the candidate numbers sums to target.
The count-and-say sequence is the sequence of integers with the first five terms as following:
1. 1 2. 11 3. 21 4. 1211 5. 111221
Labelme is a graphical image annotation tool. It is written in Python and uses Qt for its graphical interface. It is open source in Github at https://github.com/wkentaro/labelme
There are tow method to set pivot.The easy way is setting the first item as pivot, and the other way is setting the middle item as pivot.