{"id":3094,"date":"2021-06-10T09:52:46","date_gmt":"2021-06-10T04:22:46","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=3094"},"modified":"2021-06-10T09:52:52","modified_gmt":"2021-06-10T04:22:52","slug":"and-operation-codechef-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/","title":{"rendered":"And Operation | CodeChef Solution"},"content":{"rendered":"\n<p>Hello coders, today we are going to solve <strong>And Operation CodeChef Solution<\/strong> whose Problem Code is <strong>TAAND<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/06\/and-operation-codechef-solution-codingbroz.png\" alt=\"And Operation\" class=\"wp-image-3096\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/06\/and-operation-codechef-solution-codingbroz.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/06\/and-operation-codechef-solution-codingbroz-768x432.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\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-6636ddde52f47\" 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-6636ddde52f47\" 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\/and-operation-codechef-solution\/#Task\" title=\"Task\">Task<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/#Input_Format\" title=\"Input Format\">Input Format<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/#Output_Format\" title=\"Output Format\">Output Format<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/#Constraints\" title=\"Constraints\">Constraints<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/#Solution_%E2%80%93_And_Operation\" title=\"Solution &#8211; And Operation \">Solution &#8211; And Operation <\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-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-7\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-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-8\" href=\"https:\/\/www.codingbroz.com\/and-operation-codechef-solution\/#Java\" title=\"Java\">Java<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Task\"><\/span><strong>Task<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Given an array of\u00a0<strong>n<\/strong>\u00a0non-negative integers:\u00a0<strong>A<sub>1<\/sub><\/strong>,\u00a0<strong>A<sub>2<\/sub><\/strong>, \u2026,\u00a0<strong>A<sub>N<\/sub><\/strong>. Your mission is finding a pair of integers\u00a0<strong>A<sub>u<\/sub><\/strong>,\u00a0<strong>A<sub>v<\/sub><\/strong>\u00a0(1 \u2264\u00a0<strong>u<\/strong>\u00a0&lt;\u00a0<strong>v<\/strong>\u00a0\u2264\u00a0<strong>N<\/strong>) such that (<strong>A<sub>u<\/sub><\/strong>\u00a0and\u00a0<strong>A<sub>v<\/sub><\/strong>) is as large as possible.\u00a0<strong>And<\/strong>\u00a0is a bit-wise operation which is corresponding to\u00a0<strong>&amp;<\/strong>\u00a0in C++ and Java.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Input_Format\"><\/span><strong>Input Format<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The first line of the input contains a single integer\u00a0<strong>N<\/strong>. The\u00a0<strong>i<\/strong>th line in the next\u00a0<strong>N<\/strong>\u00a0lines contains the\u00a0<strong>A<sub>i<\/sub><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Output_Format\"><\/span><strong>Output Format<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Contains a single integer which is the largest value of\u00a0<strong>A<sub>u<\/sub><\/strong>\u00a0and\u00a0<strong>A<sub>v<\/sub><\/strong>\u00a0where 1 \u2264\u00a0<strong>u<\/strong>\u00a0&lt;\u00a0<strong>v<\/strong>\u00a0\u2264\u00a0<strong>N<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Constraints\"><\/span><strong>Constraints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>50 points:<\/p>\n\n\n\n<ul><li><strong>2<\/strong>&nbsp;\u2264&nbsp;<strong>N<\/strong>&nbsp;\u2264&nbsp;<strong>5000<\/strong><\/li><li><strong>0<\/strong>&nbsp;\u2264&nbsp;<strong>A<sub>i<\/sub><\/strong>&nbsp;\u2264&nbsp;<strong>10<sup>9<\/sup><\/strong><\/li><\/ul>\n\n\n\n<p>50 points:<\/p>\n\n\n\n<ul><li><strong>2<\/strong>\u00a0\u2264\u00a0<strong>N<\/strong>\u00a0\u2264\u00a0<strong>3 \u00d7 10<sup>5<\/sup><\/strong><\/li><li><strong>0<\/strong>\u00a0\u2264\u00a0<strong>A<sub>i<\/sub><\/strong>\u00a0\u2264\u00a0<strong>10<sup>9<\/sup><\/strong><\/li><\/ul>\n\n\n\n<p><strong>Example<\/strong><\/p>\n\n\n\n<p><strong>Sample Input<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>4\r\n2\r\n4\r\n8\r\n10<\/code><\/pre>\n\n\n\n<p><strong>Sample Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>8<\/code><\/pre>\n\n\n\n<p><strong>Explanation<\/strong><\/p>\n\n\n\n<ul><li>2 and 4 = 0<\/li><li>2 and 8 = 0<\/li><li>2 and 10 = 2<\/li><li>4 and 8 = 0<\/li><li>4 and 10 = 0<\/li><li>8 and 10 = 8<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_And_Operation\"><\/span><strong>Solution &#8211; And Operation <\/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;bits\/stdc++.h>\n\nusing namespace std;\n\nint main(){\n    int n;\n    cin>>n;\n    int a[n],i;\n    for(i=0;i&lt;n;i++) cin>>a[i];\n    sort(a,a+n);\n    int ans = INT_MIN;\n    for(i=1;i&lt;n;i++)\n    ans = max(ans,a[i]&amp;a[i-1]);\n    cout&lt;&lt;ans;\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=\"\">N = int(input())\nnums = []\nfor n in range(N):\n    nums.append(int(input()))\n    \navailID = [n for n in range(N)]\nmask = 1 &lt;&lt; 30\nmaxAnd = 0\n\nfor bit in range(30,-1,-1):\n    onesID = []\n    for i in availID:\n        if (nums[i] &amp; mask != 0):\n            onesID.append(i)\n            \n    if (len(onesID) >= 2):\n        maxAnd += mask\n        availID = onesID[:]\n    \n    mask >>= 1\n\nprint(maxAnd)\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=\"\">\/* package codechef; \/\/ don't place package name! *\/\n\nimport java.io.BufferedReader;\nimport java.io.InputStreamReader;\nimport java.util.Arrays;\n\n\/* Name of the class has to be \"Main\" only if the class is public. *\/\nclass Codechef\n{\n\tpublic static void main (String[] args) throws java.lang.Exception\n\t{\n\t\t\/\/ your code goes here\n\t\tBufferedReader br=new BufferedReader(new InputStreamReader(System.in));\n\t\tint N=Integer.parseInt(br.readLine());\n\t\tint arr[]=new int[N];\n\t\tint temp;\n\t\tfor(int i=0;i&lt;N;i++){\n\t\t    arr[i]=Integer.parseInt(br.readLine());\n\t\t}\n\t\tint andMax=0;\n\t\tArrays.sort(arr);\n\t\tfor(int i=0;i&lt;N-1;i++){\n\t\t    andMax=Math.max(andMax,(arr[i]&amp;arr[i+1]));\n\t\t}\n\t\tSystem.out.println(andMax);\n\t}\n}\n<\/pre>\n\n\n\n<p><strong>Disclaimer: <\/strong>The above Problem <strong>(<a href=\"https:\/\/www.codechef.com\/problems\/TAAND\" target=\"_blank\" rel=\"noreferrer noopener\">And Operation<\/a>)<\/strong> is generated by <strong>CodeChef <\/strong>but the Solution is Provided by <strong>CodingBroz<\/strong>. This tutorial is only for <strong>Educational <\/strong>and <strong>Learning<\/strong> Purpose.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hello coders, today we are going to solve And Operation CodeChef Solution whose Problem Code is TAAND.<\/p>\n","protected":false},"author":1,"featured_media":3096,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","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":"default","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":[54],"tags":[186,192,137,56],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/06\/and-operation-codechef-solution-codingbroz.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3094"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=3094"}],"version-history":[{"count":2,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3094\/revisions"}],"predecessor-version":[{"id":3097,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3094\/revisions\/3097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/3096"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=3094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=3094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=3094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}