mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
181 lines
17 KiB
JSON
181 lines
17 KiB
JSON
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"questionId": "2337",
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"title": "Remove Digit From Number to Maximize Result",
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"content": "<p>You are given a string <code>number</code> representing a <strong>positive integer</strong> and a character <code>digit</code>.</p>\n\n<p>Return <em>the resulting string after removing <strong>exactly one occurrence</strong> of </em><code>digit</code><em> from </em><code>number</code><em> such that the value of the resulting string in <strong>decimal</strong> form is <strong>maximized</strong></em>. The test cases are generated such that <code>digit</code> occurs at least once in <code>number</code>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> number = "123", digit = "3"\n<strong>Output:</strong> "12"\n<strong>Explanation:</strong> There is only one '3' in "123". After removing '3', the result is "12".\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> number = "1231", digit = "1"\n<strong>Output:</strong> "231"\n<strong>Explanation:</strong> We can remove the first '1' to get "231" or remove the second '1' to get "123".\nSince 231 > 123, we return "231".\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> number = "551", digit = "5"\n<strong>Output:</strong> "51"\n<strong>Explanation:</strong> We can remove either the first or second '5' from "551".\nBoth result in the string "51".\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>2 <= number.length <= 100</code></li>\n\t<li><code>number</code> consists of digits from <code>'1'</code> to <code>'9'</code>.</li>\n\t<li><code>digit</code> is a digit from <code>'1'</code> to <code>'9'</code>.</li>\n\t<li><code>digit</code> occurs at least once in <code>number</code>.</li>\n</ul>\n",
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"difficulty": "Easy",
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"exampleTestcases": "\"123\"\n\"3\"\n\"1231\"\n\"1\"\n\"551\"\n\"5\"",
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"code": "class Solution(object):\n def removeDigit(self, number, digit):\n \"\"\"\n :type number: str\n :type digit: str\n :rtype: str\n \"\"\"\n ",
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"code": "func removeDigit(number string, digit byte) string {\n \n}",
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"code": "# @param {String} number\n# @param {Character} digit\n# @return {String}\ndef remove_digit(number, digit)\n \nend",
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"code": "object Solution {\n def removeDigit(number: String, digit: Char): String = {\n \n }\n}",
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"code": "impl Solution {\n pub fn remove_digit(number: String, digit: char) -> String {\n \n }\n}",
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"code": "(define/contract (remove-digit number digit)\n (-> string? char? string?)\n )",
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"code": "-spec remove_digit(Number :: unicode:unicode_binary(), Digit :: char()) -> unicode:unicode_binary().\nremove_digit(Number, Digit) ->\n .",
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"code": "defmodule Solution do\n @spec remove_digit(number :: String.t, digit :: char) :: String.t\n def remove_digit(number, digit) do\n \n end\nend",
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"hints": [
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"The maximum length of number is really small.",
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"Iterate through the digits of number and every time we see digit, try removing it.",
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"To remove a character at index i, concatenate the substring from index 0 to i - 1 and the substring from index i + 1 to number.length - 1."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "\"123\"\n\"3\"",
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"metaData": "{\n \"name\": \"removeDigit\",\n \"params\": [\n {\n \"name\": \"number\",\n \"type\": \"string\"\n },\n {\n \"type\": \"character\",\n \"name\": \"digit\"\n }\n ],\n \"return\": {\n \"type\": \"string\"\n }\n}",
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