Find the longest increasing path in a matrix.
Given an m x n integers matrix, return the length of the longest strictly increasing path in the matrix. From each cell, you can either move in four directions: left, right, up, or down.
Input: matrix = [[1,2],[3,4]]
Output: 3
Explanation: The longest strictly increasing path is 1 - 3 - 4 (or 1 - 2 - 4), both of which have a length of 3.

Question

Find the longest increasing path in a matrix.

Given an m x n integers matrix, return the length of the longest strictly increasing path in the matrix. From each cell, you can either move in four directions: left, right, up, or down.

Input: matrix = [[1,2],[3,4]]

Output: 3

Explanation: The longest strictly increasing path is 1 -> 3 -> 4 (or 1 -> 2 -> 4), both of which have a length of 3.

Find the longest increasing path in a matrix.

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