mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
170 lines
14 KiB
JSON
170 lines
14 KiB
JSON
|
{
|
||
|
"data": {
|
||
|
"question": {
|
||
|
"questionId": "1133",
|
||
|
"questionFrontendId": "1163",
|
||
|
"boundTopicId": null,
|
||
|
"title": "Last Substring in Lexicographical Order",
|
||
|
"titleSlug": "last-substring-in-lexicographical-order",
|
||
|
"content": "<p>Given a string <code>s</code>, return <em>the last substring of</em> <code>s</code> <em>in lexicographical order</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "abab"\n<strong>Output:</strong> "bab"\n<strong>Explanation:</strong> The substrings are ["a", "ab", "aba", "abab", "b", "ba", "bab"]. The lexicographically maximum substring is "bab".\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "leetcode"\n<strong>Output:</strong> "tcode"\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 4 * 10<sup>5</sup></code></li>\n\t<li><code>s</code> contains only lowercase English letters.</li>\n</ul>\n",
|
||
|
"translatedTitle": null,
|
||
|
"translatedContent": null,
|
||
|
"isPaidOnly": false,
|
||
|
"difficulty": "Hard",
|
||
|
"likes": 433,
|
||
|
"dislikes": 406,
|
||
|
"isLiked": null,
|
||
|
"similarQuestions": "[]",
|
||
|
"exampleTestcases": "\"abab\"\n\"leetcode\"",
|
||
|
"categoryTitle": "Algorithms",
|
||
|
"contributors": [],
|
||
|
"topicTags": [
|
||
|
{
|
||
|
"name": "Two Pointers",
|
||
|
"slug": "two-pointers",
|
||
|
"translatedName": null,
|
||
|
"__typename": "TopicTagNode"
|
||
|
},
|
||
|
{
|
||
|
"name": "String",
|
||
|
"slug": "string",
|
||
|
"translatedName": null,
|
||
|
"__typename": "TopicTagNode"
|
||
|
}
|
||
|
],
|
||
|
"companyTagStats": null,
|
||
|
"codeSnippets": [
|
||
|
{
|
||
|
"lang": "C++",
|
||
|
"langSlug": "cpp",
|
||
|
"code": "class Solution {\npublic:\n string lastSubstring(string s) {\n \n }\n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Java",
|
||
|
"langSlug": "java",
|
||
|
"code": "class Solution {\n public String lastSubstring(String s) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Python",
|
||
|
"langSlug": "python",
|
||
|
"code": "class Solution(object):\n def lastSubstring(self, s):\n \"\"\"\n :type s: str\n :rtype: str\n \"\"\"\n ",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Python3",
|
||
|
"langSlug": "python3",
|
||
|
"code": "class Solution:\n def lastSubstring(self, s: str) -> str:\n ",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "C",
|
||
|
"langSlug": "c",
|
||
|
"code": "\n\nchar * lastSubstring(char * s){\n\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "C#",
|
||
|
"langSlug": "csharp",
|
||
|
"code": "public class Solution {\n public string LastSubstring(string s) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "JavaScript",
|
||
|
"langSlug": "javascript",
|
||
|
"code": "/**\n * @param {string} s\n * @return {string}\n */\nvar lastSubstring = function(s) {\n \n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Ruby",
|
||
|
"langSlug": "ruby",
|
||
|
"code": "# @param {String} s\n# @return {String}\ndef last_substring(s)\n \nend",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Swift",
|
||
|
"langSlug": "swift",
|
||
|
"code": "class Solution {\n func lastSubstring(_ s: String) -> String {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Go",
|
||
|
"langSlug": "golang",
|
||
|
"code": "func lastSubstring(s string) string {\n \n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Scala",
|
||
|
"langSlug": "scala",
|
||
|
"code": "object Solution {\n def lastSubstring(s: String): String = {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Kotlin",
|
||
|
"langSlug": "kotlin",
|
||
|
"code": "class Solution {\n fun lastSubstring(s: String): String {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Rust",
|
||
|
"langSlug": "rust",
|
||
|
"code": "impl Solution {\n pub fn last_substring(s: String) -> String {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "PHP",
|
||
|
"langSlug": "php",
|
||
|
"code": "class Solution {\n\n /**\n * @param String $s\n * @return String\n */\n function lastSubstring($s) {\n \n }\n}",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "TypeScript",
|
||
|
"langSlug": "typescript",
|
||
|
"code": "function lastSubstring(s: string): string {\n\n};",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Racket",
|
||
|
"langSlug": "racket",
|
||
|
"code": "(define/contract (last-substring s)\n (-> string? string?)\n\n )",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Erlang",
|
||
|
"langSlug": "erlang",
|
||
|
"code": "-spec last_substring(S :: unicode:unicode_binary()) -> unicode:unicode_binary().\nlast_substring(S) ->\n .",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
},
|
||
|
{
|
||
|
"lang": "Elixir",
|
||
|
"langSlug": "elixir",
|
||
|
"code": "defmodule Solution do\n @spec last_substring(s :: String.t) :: String.t\n def last_substring(s) do\n\n end\nend",
|
||
|
"__typename": "CodeSnippetNode"
|
||
|
}
|
||
|
],
|
||
|
"stats": "{\"totalAccepted\": \"29.3K\", \"totalSubmission\": \"82.1K\", \"totalAcceptedRaw\": 29256, \"totalSubmissionRaw\": 82063, \"acRate\": \"35.7%\"}",
|
||
|
"hints": [
|
||
|
"Assume that the answer is a sub-string from index i to j. If you add the character at index j+1 you get a better answer.",
|
||
|
"The answer is always a suffix of the given string.",
|
||
|
"Since the limits are high, we need an efficient data structure.",
|
||
|
"Use suffix array."
|
||
|
],
|
||
|
"solution": null,
|
||
|
"status": null,
|
||
|
"sampleTestCase": "\"abab\"",
|
||
|
"metaData": "{\n \"name\": \"lastSubstring\",\n \"params\": [\n {\n \"name\": \"s\",\n \"type\": \"string\"\n }\n ],\n \"return\": {\n \"type\": \"string\"\n }\n}\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": null,
|
||
|
"__typename": "QuestionNode"
|
||
|
}
|
||
|
}
|
||
|
}
|