While developing a new project, it’s possible that you may need to leverage some modules or code from other project. Then it comes out git submo…
My memo and playground
While developing a new project, it’s possible that you may need to leverage some modules or code from other project. Then it comes out git submo…
If you have used docker desktop version on Windows, you may see that the docker image file getting bigger and bigger, but never gives back the space t…
Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0‘s. You must do it in …
You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise). You have to rotate t…
Given an m x n matrix, return all elements of the matrix in spiral order. Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]…
Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Note…
You are given an array of strings tokens that represents an arithmetic expression in a Reverse Polish Notation. Evaluate the expression…
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: You must imp…
Given a string path, which is an absolute path (starting with a slash ‘/’) to a file or directory in a Unix-style file system, con…