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CodeSignal

Multidimensional Arrays and Their Traversal in PHP

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Overview

Enhance your understanding of multidimensional arrays and their traversal techniques. This course will provide you with the expertise to manipulate multidimensional arrays, transpose rows and columns, and iterate over nested elements efficiently.

Syllabus

  • Unit 1: Multidimensional Arrays and Their Traversal in PHP
    • Update a 2D Array in PHP: Renovate Apartment 202
    • Listing Unoccupied Apartments in a Building
    • Printing Ground Floor Apartment Codes
    • Adding a New Floor to a PHP Array Building
    • Managing a Residential Building with PHP Arrays
  • Unit 2: Exploring Special Traversals of Matrices in PHP
    • Reverse Matrix Traversal Pattern
    • Zigzag Traversal in a Library Grid
    • Matrix Column Direction Switch in PHP Traversal
    • Vertical Traversal of a 2D Matrix from Bottom Right
    • Zigzag Traversal in a Grid Using PHP
  • Unit 3: Transposing Arrays in PHP: A Matrix Manipulation Exercise
    • Transposing Restaurant Seating Arrangements in PHP
    • Matrix Transposition Function in PHP
    • Reverse Order Matrix Transposition
    • Reflecting a Matrix Over the Secondary Diagonal in PHP
    • Transposing Seating Arrangement in PHP
  • Unit 4: Identifying Moveable Positions in 2D Arrays with PHP
    • Modify Function to Identify Horizontal Movement Positions
    • Identifying Adjacent Empty Chessboard Cells in PHP
    • Identify Strategic Position on PHP Game Board
    • Chessboard Move Validation in PHP
    • Counting 3x3 Submatrices with Corner Es in PHP
  • Unit 5: Traversing 2D Arrays in PHP With Conditional Moves
    • Hiking Trail Navigation with Diagonal Pathfinding in PHP
    • Highest Peak Reachable in PHP
    • Find Next Peak in Trail Map
    • Trekking Path in a 2D Elevation Map Using PHP
    • Mountain Trekking Path Traverse in PHP

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