{"id":8221,"date":"2022-10-10T23:05:00","date_gmt":"2022-10-10T17:35:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=8221"},"modified":"2022-11-26T18:09:27","modified_gmt":"2022-11-26T12:39:27","slug":"string-similarity-hackerrank-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/string-similarity-hackerrank-solution\/","title":{"rendered":"String Similarity &#8211; HackerRank Solution"},"content":{"rendered":"\n<p>In this post, we will solve <strong>String Similarity HackerRank Solution<\/strong>. This problem <strong>(String Similarity)<\/strong> is a part of <strong>HackerRank Problem Solving<\/strong> series.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-662c45ce223e6\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662c45ce223e6\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/string-similarity-hackerrank-solution\/#Solution_%E2%80%93_String_Similarity_%E2%80%93_HackerRank_Solution\" title=\"Solution &#8211; String Similarity &#8211; HackerRank Solution\">Solution &#8211; String Similarity &#8211; HackerRank Solution<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/string-similarity-hackerrank-solution\/#C\" title=\"C++\">C++<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/string-similarity-hackerrank-solution\/#Python\" title=\"Python\">Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.codingbroz.com\/string-similarity-hackerrank-solution\/#Java\" title=\"Java\">Java<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_String_Similarity_%E2%80%93_HackerRank_Solution\"><\/span><strong>Solution &#8211; String Similarity &#8211; HackerRank Solution<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C\"><\/span><strong>C++<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;iostream>\n#include &lt;string>\n\nusing namespace std;\n\ntypedef long int l;\n\nlong int z_func(const string &amp;s)\n{\n    l sum = 0;\n    l length = s.length();\n    l Z[length] = {0};\n    l left = 0;\n    l right = 0;\n    for (l k = 1; k &lt; length; ++k)\n    {\n        if (k > right) {\n            left = right = k;\n            while (right &lt; length &amp;&amp; s[right] == s[right - left]) {\n                right ++;\n            }\n            Z[k] = right - left;\n            right --;\n        } else {\n            int k1 = k - left;\n            if (Z[k1] &lt; right - k + 1) {\n                Z[k] = Z[k1];\n            } else {\n                left = k;\n                while (right &lt; length &amp;&amp; s[right] == s[right - left]) {\n                    right ++;\n                }\n                Z[k] = right - left;\n                right --;\n            }\n        }\n    }\n\n    for (l i = 0; i &lt; length; ++i)\n    {\n        sum += Z[i];\n    }\n\n    return sum;\n}\n\nint main(int argc, char const *argv[])\n{\n    int T;\n    cin >> T;\n    while (T --) {\n        string s;\n        cin >> s;\n        l res = z_func(s);\n\n        cout &lt;&lt; s.length() + res &lt;&lt; endl;\n    }\n\n    return 0;\n}\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python\"><\/span><strong>Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import sys\n\ndef stringSimilarity(s):\n    # Complete this function\n    result = length = len(s)\n    right = 0\n    left = 0\n    z = [length]\n  \n    for i in range(1, length):\n        z.append(0)\n        if i &lt;= right:\n            z[i] = min(right - i + 1, z[i - left])\n        while i + z[i] &lt; length and s[z[i]] == s[i + z[i]]:\n            z[i] += 1\n        if i + z[i] - 1 > right:\n            left = i\n            right = i + z[i] - 1\n        \n        result += z[i]\n    \n    return result\n\nif __name__ == \"__main__\":\n    t = int(input().strip())\n    for a0 in range(t):\n        s = input().strip()\n        result = stringSimilarity(s)\n        print(result)\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Java\"><\/span><strong>Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.io.*;\nimport java.util.*;\n\npublic class Solution {\n\n    private void solution() throws IOException {\n        int ts = in.nextInt();\n        while (ts-- > 0) {\n            String s = in.next();\n            int[] z = zFunc(s);\n            \/\/ System.err.println(Arrays.toString(z));\n            long res = 0;\n            for (int x : z) {\n                res += x;\n            }\n            out.println(res + s.length());\n        }\n    }\n\n    private int[] zFunc(String s) {\n        int[] res = new int[s.length()];\n        int left = 0;\n        int right = 0;\n        for (int i = 1; i &lt; s.length(); ++i) {\n            if (i &lt;= right) {\n                res[i] = Math.min(right - i + 1, res[i - left]);\n            }\n            while (i + res[i] &lt; s.length() &amp;&amp; s.charAt(res[i]) == s.charAt(i + res[i])) {\n                ++res[i];\n            }\n\n            if (i + res[i] - 1 > right) {\n                left = i;\n                right = i + res[i] - 1;\n            }\n        }\n        return res;\n    }\n\n    public void run() {\n        try {\n            solution();\n            in.reader.close();\n            out.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n            System.exit(1);\n        }\n    }\n\n    private class Scanner {\n        StringTokenizer tokenizer;\n\n        BufferedReader reader;\n\n        public Scanner(Reader reader) {\n            this.reader = new BufferedReader(reader);\n            this.tokenizer = new StringTokenizer(\"\");\n        }\n\n        public boolean hasNext() throws IOException {\n            while (!tokenizer.hasMoreTokens()) {\n                String line = reader.readLine();\n                if (line == null) {\n                    return false;\n                }\n                tokenizer = new StringTokenizer(line);\n            }\n            return true;\n        }\n\n        public String next() throws IOException {\n            hasNext();\n            return tokenizer.nextToken();\n        }\n\n        \/\/ public String nextLine() throws IOException {\n        \/\/ tokenizer = new StringTokenizer(\"\");\n        \/\/ return reader.readLine();\n        \/\/ }\n\n        public int nextInt() throws IOException {\n            return Integer.parseInt(next());\n        }\n\n        \/\/ public long nextLong() throws IOException {\n        \/\/ return Long.parseLong(next());\n        \/\/ }\n    }\n\n    public static void main(String[] args) throws IOException {\n        new Solution().run();\n    }\n\n    Scanner in = new Scanner(new InputStreamReader(System.in));\n    PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));\n}\n<\/pre>\n\n\n\n<p><strong>Note:<\/strong> This problem <strong>(<a href=\"https:\/\/www.hackerrank.com\/challenges\/string-similarity\/problem\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">String Similarity<\/a>)<\/strong> is generated by <strong><a href=\"https:\/\/www.hackerrank.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">HackerRank<\/a><\/strong> but the solution is provided by <strong><a href=\"https:\/\/www.codingbroz.com\/\">CodingBroz<\/a><\/strong>. This tutorial is only for <strong>Educational<\/strong> and <strong>Learning<\/strong> purpose.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will solve String Similarity HackerRank Solution. This problem (String Similarity) is a part of HackerRank Problem Solving series.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,190],"tags":[191],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/8221"}],"collection":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=8221"}],"version-history":[{"count":3,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/8221\/revisions"}],"predecessor-version":[{"id":8343,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/8221\/revisions\/8343"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=8221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=8221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=8221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}