mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
174 lines
16 KiB
JSON
174 lines
16 KiB
JSON
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"questionFrontendId": "1585",
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"boundTopicId": null,
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"title": "Check If String Is Transformable With Substring Sort Operations",
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"titleSlug": "check-if-string-is-transformable-with-substring-sort-operations",
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"content": "<p>Given two strings <code>s</code> and <code>t</code>, transform string <code>s</code> into string <code>t</code> using the following operation any number of times:</p>\n\n<ul>\n\t<li>Choose a <strong>non-empty</strong> substring in <code>s</code> and sort it in place so the characters are in <strong>ascending order</strong>.\n\n\t<ul>\n\t\t<li>For example, applying the operation on the underlined substring in <code>"1<u>4234</u>"</code> results in <code>"1<u>2344</u>"</code>.</li>\n\t</ul>\n\t</li>\n</ul>\n\n<p>Return <code>true</code> if <em>it is possible to transform <code>s</code> into <code>t</code></em>. Otherwise, return <code>false</code>.</p>\n\n<p>A <strong>substring</strong> is a contiguous sequence of characters within a string.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "84532", t = "34852"\n<strong>Output:</strong> true\n<strong>Explanation:</strong> You can transform s into t using the following sort operations:\n"84<u>53</u>2" (from index 2 to 3) -> "84<u>35</u>2"\n"<u>843</u>52" (from index 0 to 2) -> "<u>348</u>52"\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "34521", t = "23415"\n<strong>Output:</strong> true\n<strong>Explanation:</strong> You can transform s into t using the following sort operations:\n"<u>3452</u>1" -> "<u>2345</u>1"\n"234<u>51</u>" -> "234<u>15</u>"\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "12345", t = "12435"\n<strong>Output:</strong> false\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>s.length == t.length</code></li>\n\t<li><code>1 <= s.length <= 10<sup>5</sup></code></li>\n\t<li><code>s</code> and <code>t</code> consist of only digits.</li>\n</ul>\n",
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"difficulty": "Hard",
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"likes": 318,
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"isLiked": null,
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"similarQuestions": "[]",
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"exampleTestcases": "\"84532\"\n\"34852\"\n\"34521\"\n\"23415\"\n\"12345\"\n\"12435\"",
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"categoryTitle": "Algorithms",
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"contributors": [],
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{
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"name": "String",
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"slug": "string",
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"name": "Greedy",
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"slug": "greedy",
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"name": "Sorting",
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"slug": "sorting",
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"lang": "C++",
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"langSlug": "cpp",
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"code": "class Solution {\npublic:\n bool isTransformable(string s, string t) {\n \n }\n};",
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"lang": "Java",
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"langSlug": "java",
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"code": "class Solution {\n public boolean isTransformable(String s, String t) {\n \n }\n}",
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"lang": "Python",
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"langSlug": "python",
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"code": "class Solution(object):\n def isTransformable(self, s, t):\n \"\"\"\n :type s: str\n :type t: str\n :rtype: bool\n \"\"\"\n ",
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"lang": "Python3",
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"langSlug": "python3",
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"code": "class Solution:\n def isTransformable(self, s: str, t: str) -> bool:\n ",
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"lang": "C",
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"langSlug": "c",
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"code": "\n\nbool isTransformable(char * s, char * t){\n\n}",
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"lang": "C#",
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"langSlug": "csharp",
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"code": "public class Solution {\n public bool IsTransformable(string s, string t) {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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"lang": "JavaScript",
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"langSlug": "javascript",
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"code": "/**\n * @param {string} s\n * @param {string} t\n * @return {boolean}\n */\nvar isTransformable = function(s, t) {\n \n};",
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"lang": "Ruby",
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"langSlug": "ruby",
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"code": "# @param {String} s\n# @param {String} t\n# @return {Boolean}\ndef is_transformable(s, t)\n \nend",
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"__typename": "CodeSnippetNode"
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"lang": "Swift",
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"langSlug": "swift",
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"code": "class Solution {\n func isTransformable(_ s: String, _ t: String) -> Bool {\n \n }\n}",
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"lang": "Go",
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"langSlug": "golang",
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"code": "func isTransformable(s string, t string) bool {\n \n}",
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"lang": "Scala",
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"langSlug": "scala",
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"code": "object Solution {\n def isTransformable(s: String, t: String): Boolean = {\n \n }\n}",
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"lang": "Kotlin",
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"langSlug": "kotlin",
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"code": "class Solution {\n fun isTransformable(s: String, t: String): Boolean {\n \n }\n}",
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"lang": "Rust",
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"langSlug": "rust",
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"code": "impl Solution {\n pub fn is_transformable(s: String, t: String) -> bool {\n \n }\n}",
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"lang": "PHP",
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"langSlug": "php",
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"code": "class Solution {\n\n /**\n * @param String $s\n * @param String $t\n * @return Boolean\n */\n function isTransformable($s, $t) {\n \n }\n}",
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"lang": "TypeScript",
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"langSlug": "typescript",
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"code": "function isTransformable(s: string, t: string): boolean {\n\n};",
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"lang": "Racket",
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"langSlug": "racket",
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"code": "(define/contract (is-transformable s t)\n (-> string? string? boolean?)\n\n )",
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"lang": "Erlang",
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"code": "-spec is_transformable(S :: unicode:unicode_binary(), T :: unicode:unicode_binary()) -> boolean().\nis_transformable(S, T) ->\n .",
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec is_transformable(s :: String.t, t :: String.t) :: boolean\n def is_transformable(s, t) do\n\n end\nend",
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"stats": "{\"totalAccepted\": \"5.8K\", \"totalSubmission\": \"12.1K\", \"totalAcceptedRaw\": 5847, \"totalSubmissionRaw\": 12113, \"acRate\": \"48.3%\"}",
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"hints": [
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"Suppose the first digit you need is 'd'. How can you determine if it's possible to get that digit there?",
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"Consider swapping adjacent characters to maintain relative ordering."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "\"84532\"\n\"34852\"",
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"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:
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