{"id":1850,"date":"2021-05-26T19:47:51","date_gmt":"2021-05-26T14:17:51","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=1850"},"modified":"2021-06-21T11:46:52","modified_gmt":"2021-06-21T06:16:52","slug":"preprocessor-solution-cpp-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/preprocessor-solution-cpp-solution\/","title":{"rendered":"Preprocessor Solution in C++ | HackerRank Solution"},"content":{"rendered":"\n<p>Hello coders, today we are going to solve <strong>Preprocessor Solution HackerRank Solution in C++<\/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\/05\/preprocessor-solution-in-c-solution-codingbroz.png\" alt=\"Preprocessor Solution\" class=\"wp-image-1852\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/preprocessor-solution-in-c-solution-codingbroz.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/preprocessor-solution-in-c-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-662e916fa75e2\" 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-662e916fa75e2\" 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\/preprocessor-solution-cpp-solution\/#Problem\" title=\"Problem\">Problem<\/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\/preprocessor-solution-cpp-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\/preprocessor-solution-cpp-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-4\" href=\"https:\/\/www.codingbroz.com\/preprocessor-solution-cpp-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-5\" href=\"https:\/\/www.codingbroz.com\/preprocessor-solution-cpp-solution\/#Solution_%E2%80%93_Preprocessor_Solution_in_C\" title=\"Solution &#8211; Preprocessor Solution in C++\">Solution &#8211; Preprocessor Solution in C++<\/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\/preprocessor-solution-cpp-solution\/#C\" title=\"C++\">C++<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem\"><\/span><strong>Problem<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Preprocessor directives are lines included in the code preceded by a hash sign (#). These lines are directives for the preprocessor. The preprocessor examines the code before actual compilation of code begins and resolves all these directives before any code is actually generated by regular statements.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#define INF 10000000\nif( val == INF) {\n\/\/Do something\n}\nAfter the preprocessor has replaced the directives, the code will be\nif( val == 10000000) { \/\/Here INF is replaced by the value with which it's defined.\n\/\/Do something\n}<\/code><\/pre>\n\n\n\n<p>You can also define function macros which have parameters.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#define add(a, b) a + b\nint x = add(a, b);\n\nThe second statement after the preprocessor has replaced the directives will be:\nint x = a + b;<\/code><\/pre>\n\n\n\n<p>To know more about preprocessor directives, you can go to this&nbsp;<a href=\"http:\/\/www.cplusplus.com\/doc\/tutorial\/preprocessor\/\" target=\"_blank\" rel=\"noopener\">link<\/a><\/p>\n\n\n\n<p>You&#8217;re spending your afternoon at a local school, teaching kids how to code. You give them a simple task: find the difference between the maximum and minimum values in an array of integers.<\/p>\n\n\n\n<p>After a few hours, they came up with some promising source code. Unfortunately, it doesn&#8217;t compile! Since you don&#8217;t want to discourage them, you decide to make their code work without modifying it by adding preprocessor macros.<\/p>\n\n\n\n<p>Review the locked stub code in your editor and add the preprocessor macros necessary to make the code work.<\/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 contains an integer,&nbsp;<strong><em>N<\/em><\/strong>, denoting the size of the array.<br>The second line contains&nbsp;<strong><em>N<\/em><\/strong>&nbsp;space-separated integers,&nbsp;<strong><em>x<\/em><sub><em>1<\/em><\/sub>, <em>x<\/em><sub><em>2<\/em><\/sub>, . . . ,<em>x<\/em><sub><em>n<\/em><\/sub>,<\/strong> describing the elements in the array.<\/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<ul><li><strong>1 &lt;= <em>N<\/em> &lt;= 10<sup>3<\/sup><\/strong><\/li><li><strong>-10 &lt;= <em>x<\/em><sub><em>i<\/em> <\/sub>&lt;= 10<sup>8<\/sup><\/strong><\/li><\/ul>\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>You are not responsible for printing any output to stdout. Once the necessary preprocessor macros are written, the locked code in your editor will print a line that says&nbsp;<strong>Result = Z<\/strong>, where&nbsp;<strong><em>Z<\/em><\/strong>&nbsp;is the difference between the maximum and minimum values in the array.<\/p>\n\n\n\n<p><strong>Sample Input<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>5\n32 332 -23 -154 65<\/code><\/pre>\n\n\n\n<p><strong>Sample Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Result = 486<\/code><\/pre>\n\n\n\n<p><strong>Explanation<\/strong><\/p>\n\n\n\n<p><em>332-(-154) = 486<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_Preprocessor_Solution_in_C\"><\/span><strong>Solution &#8211; Preprocessor Solution in C++<\/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=\"\">\/* Enter your macros here *\/\n#define toStr(x) #x\n#define io(v) cin >> v\n#define INF 100000000\n#define foreach(v, i) for(int i = 0; i &lt; v.size(); i++)\n#define FUNCTION(name, op) void name(int&amp; a, int b) { if (b op a) a = b; }\n\n#include &lt;iostream>\n#include &lt;vector>\nusing namespace std;\n\n#if !defined toStr || !defined io || !defined FUNCTION || !defined INF\n#error Missing preprocessor definitions\n#endif \n\nFUNCTION(minimum, &lt;)\nFUNCTION(maximum, >)\n\nint main(){\n\tint n; cin >> n;\n\tvector&lt;int> v(n);\n\tforeach(v, i) {\n\t\tio(v)[i];\n\t}\n\tint mn = INF;\n\tint mx = -INF;\n\tforeach(v, i) {\n\t\tminimum(mn, v[i]);\n\t\tmaximum(mx, v[i]);\n\t}\n\tint ans = mx - mn;\n\tcout &lt;&lt; toStr(Result =) &lt;&lt;' '&lt;&lt; ans;\n\treturn 0;\n\n}<\/pre>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-5246141430412355\"\n     data-ad-slot=\"8798433565\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p><strong>Disclaimer:<\/strong> The above Problem <strong>(<a href=\"https:\/\/www.hackerrank.com\/challenges\/preprocessor-solution\/problem\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"rank-math-link\">Preprocessor Solution<\/a>)<\/strong> is generated by <strong>Hacker Rank<\/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 Preprocessor Solution HackerRank Solution in C++.<\/p>\n","protected":false},"author":1,"featured_media":1852,"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":[9,159],"tags":[80,81,18],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/preprocessor-solution-in-c-solution-codingbroz.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1850"}],"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=1850"}],"version-history":[{"count":3,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1850\/revisions"}],"predecessor-version":[{"id":3581,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1850\/revisions\/3581"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/1852"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=1850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=1850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=1850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}