分类： 算法与数据结构

A self-dividing number is a number that is divisible byContinue reading 728. Self Dividing Numbers

Let’s call an array A a mountain if the followingContinue reading 852. Peak Index in a Mountain Array

Given a binary matrix A, we want to flip the image horiContinue reading 832. Flipping an Image

There is a robot starting at position (0, 0), the origiContinue reading 657. Robot Return to Origin

International Morse Code defines a standard encoding whContinue reading 804. Unique Morse Code Words