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hub / github.com/LjyYano/LeetCode / L0074_SearchA2DMatrix

Class L0074_SearchA2DMatrix

src/main/java/L0074_SearchA2DMatrix.java:22–78  ·  view source on GitHub ↗

https://leetcode.cn/problems/search-a-2d-matrix/ 编写一个高效的算法来判断 m x n 矩阵中,是否存在一个目标值。该矩阵具有如下特性: - 每行中的整数从左到右按升序排列。 - 每行的第一个整数大于前一行的最后一个整数。 示例 1: 输入:matrix = [[1,3,5,7],[10,11,16,20],[23,30,34,60]], target = 3 输出:true 示例 2: 输入:matrix = [[1,3,5,7],[10,11,16,20],[23,30,34,60]], target = 13 输出:false 提示

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