Given an?m x n?matrix, return?true?if the matrix is Toeplitz. Otherwise, return?false.

A matrix is?Toeplitz?if every diagonal from top-left to bottom-right has the same elements.

?

Example 1:

Input: matrix = [[1,2,3,4],[5,1,2,3],[9,5,1,2]]Output: trueExplanation:In the above grid, the?diagonals are: "[9]", "[5, 5]", "[1, 1, 1]", "[2, 2, 2]", "[3, 3]", "[4]". In each diagonal all elements are the same, so the answer is True.

Example 2:

Input: matrix = [[1,2],[2,2]]Output: falseExplanation:The diagonal "[1, 2]" has different elements.

Success

Details?

Runtime:?1 ms, faster than?85.89%?of?Java?online submissions for?Toeplitz Matrix.

Memory Usage:?46.4 MB, less than?5.24%?of?Java?online submissions for?Toeplitz Matrix.