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{
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"question": {
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"title": "Repeated String Match",
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"content": "<p>Given two strings <code>a</code> and <code>b</code>, return <em>the minimum number of times you should repeat string </em><code>a</code><em> so that string</em> <code>b</code> <em>is a substring of it</em>. If it is impossible for <code>b</code> to be a substring of <code>a</code> after repeating it, return <code>-1</code>.</p>\n\n<p><strong>Notice:</strong> string <code>&quot;abc&quot;</code> repeated 0 times is <code>&quot;&quot;</code>, repeated 1 time is <code>&quot;abc&quot;</code> and repeated 2 times is <code>&quot;abcabc&quot;</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> a = &quot;abcd&quot;, b = &quot;cdabcdab&quot;\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> We return 3 because by repeating a three times &quot;ab<strong>cdabcdab</strong>cd&quot;, b is a substring of it.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> a = &quot;a&quot;, b = &quot;aa&quot;\n<strong>Output:</strong> 2\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= a.length, b.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>a</code> and <code>b</code> consist of lowercase English letters.</li>\n</ul>\n",
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"difficulty": "Medium",
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"code": "class Solution(object):\n def repeatedStringMatch(self, a, b):\n \"\"\"\n :type a: str\n :type b: str\n :rtype: int\n \"\"\"\n ",
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"code": "/**\n * @param {string} a\n * @param {string} b\n * @return {number}\n */\nvar repeatedStringMatch = function(a, b) {\n \n};",
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"code": "# @param {String} a\n# @param {String} b\n# @return {Integer}\ndef repeated_string_match(a, b)\n \nend",
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"code": "(define/contract (repeated-string-match a b)\n (-> string? string? exact-integer?)\n\n )",
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"code": "-spec repeated_string_match(A :: unicode:unicode_binary(), B :: unicode:unicode_binary()) -> integer().\nrepeated_string_match(A, B) ->\n .",
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"code": "defmodule Solution do\n @spec repeated_string_match(a :: String.t, b :: String.t) :: integer\n def repeated_string_match(a, b) do\n\n end\nend",
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