{ "data": { "question": { "questionId": "240", "questionFrontendId": "240", "categoryTitle": "Algorithms", "boundTopicId": 1586, "title": "Search a 2D Matrix II", "titleSlug": "search-a-2d-matrix-ii", "content": "

Write an efficient algorithm that searches for a value target in an m x n integer matrix matrix. This matrix has the following properties:

\n\n\n\n

 

\n

Example 1:

\n\"\"\n
\nInput: matrix = [[1,4,7,11,15],[2,5,8,12,19],[3,6,9,16,22],[10,13,14,17,24],[18,21,23,26,30]], target = 5\nOutput: true\n
\n\n

Example 2:

\n\"\"\n
\nInput: matrix = [[1,4,7,11,15],[2,5,8,12,19],[3,6,9,16,22],[10,13,14,17,24],[18,21,23,26,30]], target = 20\nOutput: false\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "搜索二维矩阵 II", "translatedContent": "

编写一个高效的算法来搜索 m x n 矩阵 matrix 中的一个目标值 target 。该矩阵具有以下特性：

\n\n\n\n

 

\n\n

示例 1：

\n\"\"\n
\n输入：matrix = [[1,4,7,11,15],[2,5,8,12,19],[3,6,9,16,22],[10,13,14,17,24],[18,21,23,26,30]], target = 5\n输出：true\n
\n\n

示例 2：

\n\"\"\n
\n输入：matrix = [[1,4,7,11,15],[2,5,8,12,19],[3,6,9,16,22],[10,13,14,17,24],[18,21,23,26,30]], target = 20\n输出：false\n
\n\n

 

\n\n

提示：

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