Spiral Matrix — Medium Coding Interview Question
Given an m x n matrix, return all elements of the matrix in spiral order.
Example
Input: matrix = [[1,2,3],[4,5,6],[7,8,9]]
Output: [1,2,3,6,9,8,7,4,5]
Constraints
Topics & Companies
Topics: arrays
Asked by: Microsoft, Amazon
Optimal Solution Complexity
Time complexity: O(m*n). Space complexity: O(1).
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