mediumArrayMatrixSimulation 0 views
Diagonal Traverse
Given an m x n matrix mat, return an array of all the elements of the array in a diagonal order.
Given an m x n matrix mat, return an array of all the elements of the array in a diagonal order.
Example 1
Input: mat = [[1,2,3],[4,5,6],[7,8,9]]
Output: [1,2,4,7,5,3,6,8,9]
Example 2
Input: mat = [[1,2],[3,4]]
Output: [1,2,3,4]
Constraints
- m == mat.length
- n == mat[i].length
- 1 <= m, n <= 10^4
- 1 <= m * n <= 10^4
- -10^5 <= mat[i][j] <= 10^5
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