Grokking Data Structures & Algorithms for Coding Interviews
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Search a 2D Matrix II (medium)

Problem Statement

Given a 2D grid of size m x n matrix containing integers, and integer target, return true if target value exists in the matrix. Otherwise, return false.

The matrix has the following properties:

  • Values in each column are sorted in non-decreasing order from top to bottom.
  • Values in each row are sorted in non-decreasing order from left to right.

Examples

Example 1:

  • Input: target = 5, matrix =
[[1,2,3],
 [4,5,6],
 [7,8,9]]
  • Expected Output: true

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