2차원 배열에서 이분탐색을 적용하고 싶었다. https://leetcode.com/problems/search-a-2d-matrix/?envType=study-plan&id=algorithm-ii Search a 2D Matrix - LeetCode Search a 2D Matrix - Write an efficient algorithm that searches for a value target in an m x n integer matrix matrix. This matrix has the following properties: * Integers in each row are sorted from left to right. * The first integer of each row is greater l..