mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
185 lines
16 KiB
JSON
185 lines
16 KiB
JSON
|
{
|
||
|
"data": {
|
||
|
"question": {
|
||
|
"questionId": "74",
|
||
|
"questionFrontendId": "74",
|
||
|
"boundTopicId": null,
|
||
|
"title": "Search a 2D Matrix",
|
||
|
"titleSlug": "search-a-2d-matrix",
|
||
|
"content": "<p>Write an efficient algorithm that searches for a value <code>target</code> in an <code>m x n</code> integer matrix <code>matrix</code>. This matrix has the following properties:</p>\n\n<ul>\n\t<li>Integers in each row are sorted from left to right.</li>\n\t<li>The first integer of each row is greater than the last integer of the previous row.</li>\n</ul>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/05/mat.jpg\" style=\"width: 322px; height: 242px;\" />\n<pre>\n<strong>Input:</strong> matrix = [[1,3,5,7],[10,11,16,20],[23,30,34,60]], target = 3\n<strong>Output:</strong> true\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/05/mat2.jpg\" style=\"width: 322px; height: 242px;\" />\n<pre>\n<strong>Input:</strong> matrix = [[1,3,5,7],[10,11,16,20],[23,30,34,60]], target = 13\n<strong>Output:</strong> false\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>m == matrix.length</code></li>\n\t<li><code>n == matrix[i].length</code></li>\n\t<li><code>1 <= m, n <= 100</code></li>\n\t<li><code>-10<sup>4</sup> <= matrix[i][j], target <= 10<sup>4</sup></code></li>\n</ul>\n",
|
||
|
"translatedTitle": null,
|
||
|
"translatedContent": null,
|
||
|
"isPaidOnly": false,
|
||
|
"difficulty": "Medium",
|
||
|
"likes": 6437,
|
||
|
"dislikes": 251,
|
||
|
"isLiked": null,
|
||
|
"similarQuestions": "[{\"title\": \"Search a 2D Matrix II\", \"titleSlug\": \"search-a-2d-matrix-ii\", \"difficulty\": \"Medium\", \"translatedTitle\": null}]",
|
||
|
"exampleTestcases": "[[1,3,5,7],[10,11,16,20],[23,30,34,60]]\n3\n[[1,3,5,7],[10,11,16,20],[23,30,34,60]]\n13",
|
||
|
"categoryTitle": "Algorithms",
|
||
|
"contributors": [],
|
||
|
"topicTags": [
|
||
|
{
|
||
|
"name": "Array",
|
||
|
"slug": "array",
|
||
|
"translatedName": null,
|
||
|
"__typename": "TopicTagNode"
|
||
|
},
|
||
|
{
|
||
|
"name": "Binary Search",
|
||
|
"slug": "binary-search",
|
||
|
"translatedName": null,
|
||
|
"__typename": "TopicTagNode"
|
||
|
},
|
||
|
{
|
||
|
"name": "Matrix",
|
||
|
"slug": "matrix",
|
||
|
"translatedName": null,
|
||
|
"__typename": "TopicTagNode"
|
||
|
}
|
||
|
],
|
||
|
"companyTagStats": null,
|
||
|
"codeSnippets": [
|
||
|
{
|
||
|
"lang": "C++",
|
||
|
"langSlug": "cpp",
|
||
|
"code": "class Solution {\npublic:\n bool searchMatrix(vector<vector<int>>& matrix, int target) {\n \n }\n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Java",
|
||
|
"langSlug": "java",
|
||
|
"code": "class Solution {\n public boolean searchMatrix(int[][] matrix, int target) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Python",
|
||
|
"langSlug": "python",
|
||
|
"code": "class Solution(object):\n def searchMatrix(self, matrix, target):\n \"\"\"\n :type matrix: List[List[int]]\n :type target: int\n :rtype: bool\n \"\"\"\n ",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Python3",
|
||
|
"langSlug": "python3",
|
||
|
"code": "class Solution:\n def searchMatrix(self, matrix: List[List[int]], target: int) -> bool:\n ",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "C",
|
||
|
"langSlug": "c",
|
||
|
"code": "\n\nbool searchMatrix(int** matrix, int matrixSize, int* matrixColSize, int target){\n\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "C#",
|
||
|
"langSlug": "csharp",
|
||
|
"code": "public class Solution {\n public bool SearchMatrix(int[][] matrix, int target) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "JavaScript",
|
||
|
"langSlug": "javascript",
|
||
|
"code": "/**\n * @param {number[][]} matrix\n * @param {number} target\n * @return {boolean}\n */\nvar searchMatrix = function(matrix, target) {\n \n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Ruby",
|
||
|
"langSlug": "ruby",
|
||
|
"code": "# @param {Integer[][]} matrix\n# @param {Integer} target\n# @return {Boolean}\ndef search_matrix(matrix, target)\n \nend",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Swift",
|
||
|
"langSlug": "swift",
|
||
|
"code": "class Solution {\n func searchMatrix(_ matrix: [[Int]], _ target: Int) -> Bool {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Go",
|
||
|
"langSlug": "golang",
|
||
|
"code": "func searchMatrix(matrix [][]int, target int) bool {\n \n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Scala",
|
||
|
"langSlug": "scala",
|
||
|
"code": "object Solution {\n def searchMatrix(matrix: Array[Array[Int]], target: Int): Boolean = {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Kotlin",
|
||
|
"langSlug": "kotlin",
|
||
|
"code": "class Solution {\n fun searchMatrix(matrix: Array<IntArray>, target: Int): Boolean {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Rust",
|
||
|
"langSlug": "rust",
|
||
|
"code": "impl Solution {\n pub fn search_matrix(matrix: Vec<Vec<i32>>, target: i32) -> bool {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "PHP",
|
||
|
"langSlug": "php",
|
||
|
"code": "class Solution {\n\n /**\n * @param Integer[][] $matrix\n * @param Integer $target\n * @return Boolean\n */\n function searchMatrix($matrix, $target) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "TypeScript",
|
||
|
"langSlug": "typescript",
|
||
|
"code": "function searchMatrix(matrix: number[][], target: number): boolean {\n\n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Racket",
|
||
|
"langSlug": "racket",
|
||
|
"code": "(define/contract (search-matrix matrix target)\n (-> (listof (listof exact-integer?)) exact-integer? boolean?)\n\n )",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Erlang",
|
||
|
"langSlug": "erlang",
|
||
|
"code": "-spec search_matrix(Matrix :: [[integer()]], Target :: integer()) -> boolean().\nsearch_matrix(Matrix, Target) ->\n .",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Elixir",
|
||
|
"langSlug": "elixir",
|
||
|
"code": "defmodule Solution do\n @spec search_matrix(matrix :: [[integer]], target :: integer) :: boolean\n def search_matrix(matrix, target) do\n\n end\nend",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
}
|
||
|
],
|
||
|
"stats": "{\"totalAccepted\": \"689.4K\", \"totalSubmission\": \"1.6M\", \"totalAcceptedRaw\": 689432, \"totalSubmissionRaw\": 1605640, \"acRate\": \"42.9%\"}",
|
||
|
"hints": [],
|
||
|
"solution": {
|
||
|
"id": "717",
|
||
|
"canSeeDetail": false,
|
||
|
"paidOnly": true,
|
||
|
"hasVideoSolution": false,
|
||
|
"paidOnlyVideo": true,
|
||
|
"__typename": "ArticleNode"
|
||
|
},
|
||
|
"status": null,
|
||
|
"sampleTestCase": "[[1,3,5,7],[10,11,16,20],[23,30,34,60]]\n3",
|
||
|
"metaData": "{\r\n \"name\": \"searchMatrix\",\r\n \"params\": [\r\n {\r\n \"name\": \"matrix\",\r\n \"type\": \"integer[][]\"\r\n },\r\n {\r\n \"name\": \"target\",\r\n \"type\": \"integer\"\r\n }\r\n ],\r\n \"return\": {\r\n \"type\": \"boolean\"\r\n }\r\n}",
|
||
|
"judgerAvailable": true,
|
||
|
"judgeType": "large",
|
||
|
"mysqlSchemas": [],
|
||
|
"enableRunCode": true,
|
||
|
"enableTestMode": false,
|
||
|
"enableDebugger": true,
|
||
|
"envInfo": "{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 17 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\"], \"java\": [\"Java\", \"<p><code> OpenJDK 17 </code>. Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. If you need more libraries, you can import it yourself.</p>\\r\\n\\r\\n<p>For Map/TreeMap data structure, you may use <a href=\\\"http://www.grantjenks.com/docs/sortedcontainers/\\\" target=\\\"_blank\\\">sortedcontainers</a> library.</p>\\r\\n\\r\\n<p>Note that Python 2.7 <a href=\\\"https://www.python.org/dev/peps/pep-0373/\\\" target=\\\"_blank\\\">will not be maintained past 2020</a>. For the latest Python, please choose Python3 instead.</p>\"], \"c\": [\"C\", \"<p>Compiled with <code>gcc 8.2</code> using the gnu99 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level one optimization (<code>-O1</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n\\r\\n<p>For hash table operations, you may use <a href=\\\"https://troydhanson.github.io/uthash/\\\" target=\\\"_blank\\\">uthash</a>. \\\"uthash.h\\\" is included by default. Below are some examples:</p>\\r\\n\\r\\n<p><b>1. Adding an item to a hash.</b>\\r\\n<pre>\\r\\nstruct hash_entry {\\r\\n int id; /* we'll use this field as the key */\\r\\n char name[10];\\r\\n UT_hash_handle hh; /* makes this structure hashable */\\r\\n};\\r\\n\\r\\nstruct hash_entry *users = NULL;\\r\\n\\r\\nvoid add_user(struct hash_entry *s) {\\r\\n HASH_ADD_INT(users, id, s);\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>2. Looking up an item in a hash:</b>\\r\\n<pre>\\r\\nstruct hash_entry *find_user(int user_id) {\\r\\n struct hash_entry *s;\\r\\n HASH_FIND_INT(users, &user_id, s);\\r\\n return s;\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>3. Deleting an item in a hash:</b>\\r\\n<pre>\\r\\nvoid delete_user(struct hash_entry *user) {\\r\\n HASH_DEL(users, user); \\r\\n}\\r\\n</pre>\\r\\n</p>\"], \"csharp\": [\"C#\", \"<p><a href=\\\"https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-9\\\" target=\\\"_blank\\\">C# 10 with .NET 6 runtime</a></p>\\r\\n\\r\\n<p>Your code is compiled with debug flag enabled (<code>/debug</code>).</p>\"], \"javascript\": [\"JavaScript\", \"<p><code>Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES6 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\\r\\n\\r\\n<p>For Priority Queue / Queue data structures, you may use <a href=\\\"https://github.com/datastructures-js/priority-queue\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and <a href=\\\"https:
|
||
|
"libraryUrl": null,
|
||
|
"adminUrl": null,
|
||
|
"challengeQuestion": {
|
||
|
"id": "858",
|
||
|
"date": "2022-03-30",
|
||
|
"incompleteChallengeCount": 0,
|
||
|
"streakCount": 0,
|
||
|
"type": "DAILY",
|
||
|
"__typename": "ChallengeQuestionNode"
|
||
|
},
|
||
|
"__typename": "QuestionNode"
|
||
|
}
|
||
|
}
|
||
|
}
|