Teaching Kids Programming – Probability Matrix of Walking in a Grid (Unique Paths)
Teaching Kids Programming: Videos on Data Structures and Algorithms On a grid that each step, we can only walk east and south (each 50%), we want to find out …
Tag: combinatorics
Teaching Kids Programming – How Many Solvable Permutations for a 3×3 Rubik’s Cube? (Math, Combinatorics)
March 20, 2022
Combinatoric Mathematics, math, proof without words, Rubik Cubes, teaching kids programming, tutorial
No Comments
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a 3×3 Rubik Cube, how many Permutations does it have (solvable)? There are 6 cores (the pieces in the …
Teaching Kids Programming – Count Number of Ways to Walk in a Grid using Dynamic Programming or Combination
February 26, 2021
algorithms, Combinatoric Mathematics, math, python, teaching kids programming, youtube video
No Comments
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a grid with n*m squares (m horizontal squares and n vertical squares), and suppose you are at the top-left …
Algorithms to Count the Equivalent Pairs in an Array
You are given a list of integers nums. Return the number of pairs i < j such that nums = nums. Constraints 0 ≤ n ≤ 100,000 where n …
How Many Ways from A to C via B? Counting the Unique Paths Walking in a Grid
Let’s see this question: If Jack starts at A, and he can only travels one move at a time to the north or east, and he cannot go back. …