{"id":4928,"date":"2021-11-28T23:05:00","date_gmt":"2021-11-28T17:35:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=4928"},"modified":"2021-11-28T13:51:58","modified_gmt":"2021-11-28T08:21:58","slug":"cpp-program-to-generate-random-numbers","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/cpp-program-to-generate-random-numbers\/","title":{"rendered":"C++ Program to Generate Random Numbers"},"content":{"rendered":"\n<p>In this post, we will learn<strong> how to generate random numbers using C++ <\/strong>Programming language.<\/p>\n\n\n\n<p>This program asks the user to enter the upper limit. Then, it generates a random number with the help of the <strong>rand()<\/strong> function.<\/p>\n\n\n\n<p>So, without further ado, let\u2019s begin this tutorial.<\/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-662ceb467e6ec\" 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-662ceb467e6ec\" 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\/cpp-program-to-generate-random-numbers\/#C_Program_to_Generate_Random_Numbers\" title=\"C++ Program to Generate Random Numbers\">C++ Program to Generate Random Numbers<\/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\/cpp-program-to-generate-random-numbers\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/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\/cpp-program-to-generate-random-numbers\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Program_to_Generate_Random_Numbers\"><\/span><strong>C++ Program to Generate Random Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\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=\"\">\/\/ C++ Program to Generate Random Numbers\n#include &lt;iostream>\n#include &lt;cstdlib>\n\nusing namespace std;\nint main(){\n    int max;\n    \n    \/\/ Asking for input\n    cout &lt;&lt; \"Enter the upper limit: \";\n    cin >> max;\n    \n    srand(time(0));\n    cout &lt;&lt; \"The random number is: \" &lt;&lt; rand() % max;\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output 1<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter the upper limit: 25\r\nThe random number is: 18\r<\/code><\/pre>\n\n\n\n<p><strong>Output 2<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter the upper limit: 25\r\nThe random number is: 15\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_This_Program_Work\"><\/span><strong>How Does This Program Work ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\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=\"\">    int max;\n<\/pre>\n\n\n\n<p>In this program, we have declared an<strong> int data type<\/strong> variable named <strong>max<\/strong>.<\/p>\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=\"\">    \/\/ Asking for input\n    cout &lt;&lt; \"Enter the upper limit: \";\n    cin >> max;\n<\/pre>\n\n\n\n<p>Then, the user is asked to enter an upper limit. The value of the upper limit gets stored in the<strong> max <\/strong>named variable.<\/p>\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=\"\">    srand(time(0));\n    cout &lt;&lt; \"The random number is: \" &lt;&lt; rand() % max;\n<\/pre>\n\n\n\n<p>We generate random numbers with the help of the <strong>rand()<\/strong> function. <strong>srand()<\/strong> function is used to take the initial value which is then used by<strong> rand() <\/strong>to generate random numbers.<\/p>\n\n\n\n<p><strong>Rand()<\/strong> function is used to generate random numbers. <strong>rand() % max<\/strong> is used to generate random numbers between the initial value and the final value.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I hope after going through this post, you understand <strong>how to generate random numbers using C++<\/strong> Programming language.<\/p>\n\n\n\n<p>If you have any doubt regarding the program, feel free to ask your query in the comment section. We will be delighted to solve your query.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-hello-world-program\/\">C++ Hello World Program<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-add-two-numbers\/\">C++ Program to Add Two Numbers<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-find-prime-number\/\">C++ Program to Find Prime Numbers<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-find-area-of-rectangle\/\">C++ Program to Find Area of Rectangle<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/cpp-program-to-print-number-entered-by-the-user\/\">C++ Program to Print Integer Entered by the User<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will learn how to generate random numbers using C++ Programming language.<\/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":[168,358],"tags":[362,448,361],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4928"}],"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=4928"}],"version-history":[{"count":4,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4928\/revisions"}],"predecessor-version":[{"id":4933,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4928\/revisions\/4933"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=4928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=4928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=4928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}