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Grokking the Coding Interview Patterns in C++

Solution: Spiral Matrix

Explore the spiral matrix traversal technique and learn how to return matrix elements in spiral order. Understand the use of directional control and variable adjustments in navigating matrix rows and columns. This lesson provides step-by-step guidance to implement an efficient solution with clear time and space complexity analysis.

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Statement

Given an m×nm\times n matrix, return an array containing the matrix elements in spiral order, starting from the top-left cell.

Constraints:

  • 1≤1\leq matrix.length ≤10\leq 10
  • 1≤1\leq matrix[i].length ≤10\leq 10
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