{"id":1801,"date":"2021-05-26T15:54:20","date_gmt":"2021-05-26T10:24:20","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=1801"},"modified":"2021-06-21T11:38:00","modified_gmt":"2021-06-21T06:08:00","slug":"hotel-prices-cpp-solution","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/hotel-prices-cpp-solution\/","title":{"rendered":"Hotel Prices in C++ | HackerRank Solution"},"content":{"rendered":"\n<p>Hello coders, today we are going to solve <strong>Hotel Prices HackerRank Solution in C++<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1201\" height=\"675\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/hotel-prices-c-solution-codingbroz.png\" alt=\"Hotel Prices\" class=\"wp-image-1804\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/hotel-prices-c-solution-codingbroz.png 1201w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/05\/hotel-prices-c-solution-codingbroz-768x432.png 768w\" sizes=\"(max-width: 1201px) 100vw, 1201px\" \/><\/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-662ffe2865a08\" 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-662ffe2865a08\" 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\/hotel-prices-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\/hotel-prices-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\/hotel-prices-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\/hotel-prices-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\/hotel-prices-cpp-solution\/#Solution_%E2%80%93_Hotel_Prices_in_C\" title=\"Solution &#8211; Hotel Prices in C++\">Solution &#8211; Hotel Prices 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\/hotel-prices-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>In this challenge, the task is to debug the existing code to successfully execute all provided test files.<\/p>\n\n\n\n<p>The given code defines two classes&nbsp;<code>HotelRoom<\/code>&nbsp;and&nbsp;<code>HotelApartment<\/code>&nbsp;denoting respectively a standard hotel room and a hotel apartment. An instance of any of these classes has two parameters:&nbsp;<code>bedrooms<\/code>&nbsp;and&nbsp;<code>bathrooms<\/code>&nbsp;denoting respectively the number of bedrooms and the number of bathrooms in the room.<\/p>\n\n\n\n<p>The prices of a standard hotel room and hotel apartment are given as:<\/p>\n\n\n\n<ul><li>Hotel Room:&nbsp;<strong>50. <em>bedrooms<\/em><\/strong>&nbsp;+&nbsp;<strong>100.<em>bathrooms<\/em><\/strong>.<\/li><li>Hotel Apartment: The price of a standard room with the same number bedrooms and bathrooms plus&nbsp;<strong>100<\/strong>.<\/li><\/ul>\n\n\n\n<p>For example, if a standard room costs&nbsp;<strong>200<\/strong>, then an apartment with the same number of bedrooms and bathrooms costs&nbsp;<strong>300<\/strong>.<\/p>\n\n\n\n<p>In hotel&#8217;s codebase, there is a piece of code reading the list of rooms booked for today and calculates the total profit for the hotel. However, sometimes calculated profits are lower than they should be.<\/p>\n\n\n\n<p>Debug the existing&nbsp;<code>HotelRoom<\/code>&nbsp;and&nbsp;<code>HotelApartment<\/code>&nbsp;classes&#8217; implementations so that the existing code computing the total profit returns a correct profit.<\/p>\n\n\n\n<p>Your function will be tested against several cases by the locked template code.<\/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 input is read by the provided locked code template.<br>In the first line, there is a single integer&nbsp;<strong><em>n<\/em><\/strong>&nbsp;denoting the number of rooms booked for today.<br>After that&nbsp;<strong><em>n<\/em><\/strong>&nbsp;lines follow. Each of these lines begins with a&nbsp;<code>room_type<\/code>&nbsp;which is either&nbsp;<code>standard<\/code>&nbsp;or&nbsp;<code>apartment<\/code>, and is followed by the number of bedrooms and the number of bathrooms in this room.<\/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;= 100<\/strong><\/li><li>There is at least&nbsp;<strong>1<\/strong>&nbsp;and at most&nbsp;<strong>5<\/strong>&nbsp;bedrooms in a room<\/li><li>There is at least&nbsp;<strong>1<\/strong>&nbsp;and at most&nbsp;<strong>5<\/strong>&nbsp;bathrooms in a room<\/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>The output is produced by the provided and locked code template. It calculates the total profit by iterating through the vector of all rooms read from the input.<\/p>\n\n\n\n<p><strong>Sample Input 0<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2\nstandard 3 1\napartment 1 1<\/code><\/pre>\n\n\n\n<p><strong>Sample Output 0<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>500<\/code><\/pre>\n\n\n\n<p><strong>Explanation 0<\/strong><\/p>\n\n\n\n<p>In the sample we have one standard room with&nbsp;<strong>3<\/strong>&nbsp;bedrooms and&nbsp;<strong>1<\/strong>&nbsp;bathroom, and one apartment with one&nbsp;<strong>1<\/strong>&nbsp;bedrooms and&nbsp;<strong>1<\/strong>&nbsp;bathroom. The price for the room is&nbsp;<strong>3.50 + 100 = 250<\/strong>. The price for the apartment is&nbsp;<strong>50 + 100 + 100 = 250<\/strong>. Thus the hotel profit is&nbsp;<strong>250 + 250 = 500<\/strong>&nbsp;as the sum of prices of both rooms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solution_%E2%80%93_Hotel_Prices_in_C\"><\/span><strong>Solution &#8211; Hotel Prices 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=\"\">#include &lt;iostream>\n#include &lt;vector>\n\nusing namespace std;\n\nclass HotelRoom {\npublic:\n    HotelRoom(int bedrooms, int bathrooms) \n    : bedrooms_(bedrooms), bathrooms_(bathrooms) {}\n    \n    int get_price() {\n        return 50*bedrooms_ + 100*bathrooms_;\n    }\nprivate:\n    int bedrooms_;\n    int bathrooms_;\n};\n\nclass HotelApartment : public HotelRoom {\npublic:\n    HotelApartment(int bedrooms, int bathrooms) \n    : HotelRoom(bedrooms + 2, bathrooms) {}\n\n    int get_price() {\n        return HotelRoom::get_price() + 100;\n    }\n};\n\nint main() {\n    int n;\n    cin >> n;\n    vector&lt;HotelRoom*> rooms;\n    for (int i = 0; i &lt; n; ++i) {\n        string room_type;\n        int bedrooms;\n        int bathrooms;\n        cin >> room_type >> bedrooms >> bathrooms;\n        if (room_type == \"standard\") {\n            rooms.push_back(new HotelRoom(bedrooms, bathrooms));\n        } else {\n            rooms.push_back(new HotelApartment(bedrooms, bathrooms));\n        }\n    }\n\n    int total_profit = 0;\n    for (auto room : rooms) {\n        total_profit += room->get_price();\n    }\n    cout &lt;&lt; total_profit &lt;&lt; endl;\n\n    for (auto room : rooms) {\n        delete room;\n    }\n    rooms.clear();\n\n    return 0;\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\/hotel-prices\/problem\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"rank-math-link\">Hotel Prices<\/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 Hotel Prices HackerRank Solution in C++.<\/p>\n","protected":false},"author":1,"featured_media":1804,"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\/hotel-prices-c-solution-codingbroz.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1801"}],"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=1801"}],"version-history":[{"count":4,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1801\/revisions"}],"predecessor-version":[{"id":3572,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/1801\/revisions\/3572"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/1804"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=1801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=1801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=1801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}