mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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186 lines
17 KiB
JSON
186 lines
17 KiB
JSON
{
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"question": {
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"questionId": "1273",
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"questionFrontendId": "1170",
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"boundTopicId": null,
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"title": "Compare Strings by Frequency of the Smallest Character",
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"titleSlug": "compare-strings-by-frequency-of-the-smallest-character",
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"content": "<p>Let the function <code>f(s)</code> be the <strong>frequency of the lexicographically smallest character</strong> in a non-empty string <code>s</code>. For example, if <code>s = "dcce"</code> then <code>f(s) = 2</code> because the lexicographically smallest character is <code>'c'</code>, which has a frequency of 2.</p>\n\n<p>You are given an array of strings <code>words</code> and another array of query strings <code>queries</code>. For each query <code>queries[i]</code>, count the <strong>number of words</strong> in <code>words</code> such that <code>f(queries[i])</code> < <code>f(W)</code> for each <code>W</code> in <code>words</code>.</p>\n\n<p>Return <em>an integer array </em><code>answer</code><em>, where each </em><code>answer[i]</code><em> is the answer to the </em><code>i<sup>th</sup></code><em> query</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> queries = ["cbd"], words = ["zaaaz"]\n<strong>Output:</strong> [1]\n<strong>Explanation:</strong> On the first query we have f("cbd") = 1, f("zaaaz") = 3 so f("cbd") < f("zaaaz").\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> queries = ["bbb","cc"], words = ["a","aa","aaa","aaaa"]\n<strong>Output:</strong> [1,2]\n<strong>Explanation:</strong> On the first query only f("bbb") < f("aaaa"). On the second query both f("aaa") and f("aaaa") are both > f("cc").\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= queries.length <= 2000</code></li>\n\t<li><code>1 <= words.length <= 2000</code></li>\n\t<li><code>1 <= queries[i].length, words[i].length <= 10</code></li>\n\t<li><code>queries[i][j]</code>, <code>words[i][j]</code> consist of lowercase English letters.</li>\n</ul>\n",
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"translatedTitle": null,
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"isPaidOnly": false,
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"difficulty": "Medium",
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"likes": 495,
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"similarQuestions": "[]",
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"exampleTestcases": "[\"cbd\"]\n[\"zaaaz\"]\n[\"bbb\",\"cc\"]\n[\"a\",\"aa\",\"aaa\",\"aaaa\"]",
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"categoryTitle": "Algorithms",
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"name": "Array",
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"name": "Hash Table",
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"name": "Binary Search",
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"name": "Sorting",
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"code": "class Solution {\npublic:\n vector<int> numSmallerByFrequency(vector<string>& queries, vector<string>& words) {\n \n }\n};",
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"code": "class Solution {\n public int[] numSmallerByFrequency(String[] queries, String[] words) {\n \n }\n}",
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"lang": "Python",
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"code": "class Solution(object):\n def numSmallerByFrequency(self, queries, words):\n \"\"\"\n :type queries: List[str]\n :type words: List[str]\n :rtype: List[int]\n \"\"\"\n ",
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"code": "class Solution:\n def numSmallerByFrequency(self, queries: List[str], words: List[str]) -> List[int]:\n ",
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"code": "\n\n/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nint* numSmallerByFrequency(char ** queries, int queriesSize, char ** words, int wordsSize, int* returnSize){\n\n}",
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"code": "/**\n * @param {string[]} queries\n * @param {string[]} words\n * @return {number[]}\n */\nvar numSmallerByFrequency = function(queries, words) {\n \n};",
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"code": "# @param {String[]} queries\n# @param {String[]} words\n# @return {Integer[]}\ndef num_smaller_by_frequency(queries, words)\n \nend",
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"lang": "Swift",
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"code": "class Solution {\n func numSmallerByFrequency(_ queries: [String], _ words: [String]) -> [Int] {\n \n }\n}",
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"lang": "Go",
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"code": "func numSmallerByFrequency(queries []string, words []string) []int {\n \n}",
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"lang": "Scala",
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"langSlug": "scala",
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"code": "object Solution {\n def numSmallerByFrequency(queries: Array[String], words: Array[String]): Array[Int] = {\n \n }\n}",
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"lang": "Kotlin",
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"langSlug": "kotlin",
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"code": "class Solution {\n fun numSmallerByFrequency(queries: Array<String>, words: Array<String>): IntArray {\n \n }\n}",
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},
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"lang": "Rust",
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"langSlug": "rust",
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"code": "impl Solution {\n pub fn num_smaller_by_frequency(queries: Vec<String>, words: Vec<String>) -> Vec<i32> {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "PHP",
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"code": "class Solution {\n\n /**\n * @param String[] $queries\n * @param String[] $words\n * @return Integer[]\n */\n function numSmallerByFrequency($queries, $words) {\n \n }\n}",
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"lang": "TypeScript",
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"code": "function numSmallerByFrequency(queries: string[], words: string[]): number[] {\n\n};",
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"code": "(define/contract (num-smaller-by-frequency queries words)\n (-> (listof string?) (listof string?) (listof exact-integer?))\n\n )",
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{
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"lang": "Erlang",
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"langSlug": "erlang",
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"code": "-spec num_smaller_by_frequency(Queries :: [unicode:unicode_binary()], Words :: [unicode:unicode_binary()]) -> [integer()].\nnum_smaller_by_frequency(Queries, Words) ->\n .",
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},
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{
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec num_smaller_by_frequency(queries :: [String.t], words :: [String.t]) :: [integer]\n def num_smaller_by_frequency(queries, words) do\n\n end\nend",
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"stats": "{\"totalAccepted\": \"65K\", \"totalSubmission\": \"106.5K\", \"totalAcceptedRaw\": 65045, \"totalSubmissionRaw\": 106472, \"acRate\": \"61.1%\"}",
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"hints": [
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"For each string from words calculate the leading count and store it in an array, then sort the integer array.",
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"For each string from queries calculate the leading count \"p\" and in base of the sorted array calculated on the step 1 do a binary search to count the number of items greater than \"p\"."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "[\"cbd\"]\n[\"zaaaz\"]",
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"metaData": "{\n \"name\": \"numSmallerByFrequency\",\n \"params\": [\n {\n \"name\": \"queries\",\n \"type\": \"string[]\"\n },\n {\n \"type\": \"string[]\",\n \"name\": \"words\"\n }\n ],\n \"return\": {\n \"type\": \"integer[]\"\n }\n}",
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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>. 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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>. 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