mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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180 lines
17 KiB
JSON
180 lines
17 KiB
JSON
{
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"data": {
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"question": {
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"questionId": "1321",
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"questionFrontendId": "1208",
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"boundTopicId": null,
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"title": "Get Equal Substrings Within Budget",
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"titleSlug": "get-equal-substrings-within-budget",
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"content": "<p>You are given two strings <code>s</code> and <code>t</code> of the same length and an integer <code>maxCost</code>.</p>\n\n<p>You want to change <code>s</code> to <code>t</code>. Changing the <code>i<sup>th</sup></code> character of <code>s</code> to <code>i<sup>th</sup></code> character of <code>t</code> costs <code>|s[i] - t[i]|</code> (i.e., the absolute difference between the ASCII values of the characters).</p>\n\n<p>Return <em>the maximum length of a substring of </em><code>s</code><em> that can be changed to be the same as the corresponding substring of </em><code>t</code><em> with a cost less than or equal to </em><code>maxCost</code>. If there is no substring from <code>s</code> that can be changed to its corresponding substring from <code>t</code>, return <code>0</code>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "abcd", t = "bcdf", maxCost = 3\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> "abc" of s can change to "bcd".\nThat costs 3, so the maximum length is 3.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "abcd", t = "cdef", maxCost = 3\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> Each character in s costs 2 to change to character in t, so the maximum length is 1.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = "abcd", t = "acde", maxCost = 0\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> You cannot make any change, so the maximum length is 1.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 10<sup>5</sup></code></li>\n\t<li><code>t.length == s.length</code></li>\n\t<li><code>0 <= maxCost <= 10<sup>6</sup></code></li>\n\t<li><code>s</code> and <code>t</code> consist of only lowercase English letters.</li>\n</ul>\n",
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"difficulty": "Medium",
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"likes": 636,
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"exampleTestcases": "\"abcd\"\n\"bcdf\"\n3\n\"abcd\"\n\"cdef\"\n3\n\"abcd\"\n\"acde\"\n0",
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"categoryTitle": "Algorithms",
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"name": "Binary Search",
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"name": "Sliding Window",
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"name": "Prefix Sum",
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"code": "class Solution {\npublic:\n int equalSubstring(string s, string t, int maxCost) {\n \n }\n};",
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"lang": "Python",
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"code": "class Solution(object):\n def equalSubstring(self, s, t, maxCost):\n \"\"\"\n :type s: str\n :type t: str\n :type maxCost: int\n :rtype: int\n \"\"\"\n ",
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"code": "/**\n * @param {string} s\n * @param {string} t\n * @param {number} maxCost\n * @return {number}\n */\nvar equalSubstring = function(s, t, maxCost) {\n \n};",
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"code": "# @param {String} s\n# @param {String} t\n# @param {Integer} max_cost\n# @return {Integer}\ndef equal_substring(s, t, max_cost)\n \nend",
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"code": "class Solution {\n fun equalSubstring(s: String, t: String, maxCost: Int): Int {\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 equal_substring(s: String, t: String, max_cost: i32) -> i32 {\n \n }\n}",
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"lang": "PHP",
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"code": "class Solution {\n\n /**\n * @param String $s\n * @param String $t\n * @param Integer $maxCost\n * @return Integer\n */\n function equalSubstring($s, $t, $maxCost) {\n \n }\n}",
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"code": "function equalSubstring(s: string, t: string, maxCost: number): number {\n\n};",
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"code": "(define/contract (equal-substring s t maxCost)\n (-> string? string? exact-integer? exact-integer?)\n\n )",
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"code": "-spec equal_substring(S :: unicode:unicode_binary(), T :: unicode:unicode_binary(), MaxCost :: integer()) -> integer().\nequal_substring(S, T, MaxCost) ->\n .",
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec equal_substring(s :: String.t, t :: String.t, max_cost :: integer) :: integer\n def equal_substring(s, t, max_cost) do\n\n end\nend",
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"stats": "{\"totalAccepted\": \"28.6K\", \"totalSubmission\": \"61.6K\", \"totalAcceptedRaw\": 28636, \"totalSubmissionRaw\": 61573, \"acRate\": \"46.5%\"}",
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"hints": [
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"Calculate the differences between a[i] and b[i].",
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"Use a sliding window to track the longest valid substring."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "\"abcd\"\n\"bcdf\"\n3",
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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>. 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