mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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168 lines
16 KiB
JSON
168 lines
16 KiB
JSON
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"question": {
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"questionId": "2099",
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"questionFrontendId": "1967",
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"boundTopicId": null,
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"title": "Number of Strings That Appear as Substrings in Word",
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"titleSlug": "number-of-strings-that-appear-as-substrings-in-word",
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"content": "<p>Given an array of strings <code>patterns</code> and a string <code>word</code>, return <em>the <strong>number</strong> of strings in </em><code>patterns</code><em> that exist as a <strong>substring</strong> in </em><code>word</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 class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> patterns = ["a","abc","bc","d"], word = "abc"\n<strong>Output:</strong> 3\n<strong>Explanation:</strong>\n- "a" appears as a substring in "<u>a</u>bc".\n- "abc" appears as a substring in "<u>abc</u>".\n- "bc" appears as a substring in "a<u>bc</u>".\n- "d" does not appear as a substring in "abc".\n3 of the strings in patterns appear as a substring in word.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> patterns = ["a","b","c"], word = "aaaaabbbbb"\n<strong>Output:</strong> 2\n<strong>Explanation:</strong>\n- "a" appears as a substring in "a<u>a</u>aaabbbbb".\n- "b" appears as a substring in "aaaaabbbb<u>b</u>".\n- "c" does not appear as a substring in "aaaaabbbbb".\n2 of the strings in patterns appear as a substring in word.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> patterns = ["a","a","a"], word = "ab"\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> Each of the patterns appears as a substring in word "<u>a</u>b".\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= patterns.length <= 100</code></li>\n\t<li><code>1 <= patterns[i].length <= 100</code></li>\n\t<li><code>1 <= word.length <= 100</code></li>\n\t<li><code>patterns[i]</code> and <code>word</code> consist of lowercase English letters.</li>\n</ul>\n",
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"difficulty": "Easy",
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"exampleTestcases": "[\"a\",\"abc\",\"bc\",\"d\"]\n\"abc\"\n[\"a\",\"b\",\"c\"]\n\"aaaaabbbbb\"\n[\"a\",\"a\",\"a\"]\n\"ab\"",
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"categoryTitle": "Algorithms",
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"code": "class Solution {\npublic:\n int numOfStrings(vector<string>& patterns, string word) {\n \n }\n};",
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"code": "class Solution(object):\n def numOfStrings(self, patterns, word):\n \"\"\"\n :type patterns: List[str]\n :type word: str\n :rtype: int\n \"\"\"\n ",
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"code": "class Solution {\n\n /**\n * @param String[] $patterns\n * @param String $word\n * @return Integer\n */\n function numOfStrings($patterns, $word) {\n \n }\n}",
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"code": "# @param {String[]} patterns\n# @param {String} word\n# @return {Integer}\ndef num_of_strings(patterns, word)\n \nend",
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"code": "object Solution {\n def numOfStrings(patterns: Array[String], word: String): Int = {\n \n }\n}",
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"code": "impl Solution {\n pub fn num_of_strings(patterns: Vec<String>, word: String) -> i32 {\n \n }\n}",
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"code": "(define/contract (num-of-strings patterns word)\n (-> (listof string?) string? exact-integer?)\n )",
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"lang": "Erlang",
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"code": "-spec num_of_strings(Patterns :: [unicode:unicode_binary()], Word :: unicode:unicode_binary()) -> integer().\nnum_of_strings(Patterns, Word) ->\n .",
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"code": "defmodule Solution do\n @spec num_of_strings(patterns :: [String.t], word :: String.t) :: integer\n def num_of_strings(patterns, word) do\n \n end\nend",
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"hints": [
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"Deal with each of the patterns individually.",
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"Use the built-in function in the language you are using to find if the pattern exists as a substring in <code>word</code>."
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],
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"solution": null,
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"sampleTestCase": "[\"a\",\"abc\",\"bc\",\"d\"]\n\"abc\"",
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