Teaching Kids Programming – Two Algorithms to Group Anagrams
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an array of strings strs, group the anagrams together. You can return the answer in any order. An Anagram …
Tag: Counting Algorithm
Teaching Kids Programming – Counting the Number of Squares and Rectangles of a NxN Rubik Cube
March 21, 2022
algorithms, brute force, math, Rubik Cubes, teaching kids programming, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms Each Rubic Cube has 6 sides, and we can just count the number of squares and rectangles for one side …
How Many Squares/Rectangles Does a Rubik Cube Have?
A Rubik cube usually have 6 sides. Take 3×3 rubik cube for example, each side has 9 little squares (1×1), 4 medium squares (2×2) and 1 big square (3×3). …
