{"id":3966,"date":"2021-08-18T00:23:46","date_gmt":"2021-08-17T18:53:46","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=3966"},"modified":"2021-09-22T19:37:19","modified_gmt":"2021-09-22T14:07:19","slug":"c-program-to-add-two-numbers","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/c-program-to-add-two-numbers\/","title":{"rendered":"C Program To Add Two Numbers"},"content":{"rendered":"\n<p>In this post, we are going to learn how to write a program to <strong>add two numbers in the C<\/strong> programming language.<\/p>\n\n\n\n<p>After going through this tutorial, you will clearly understand how to do addition in C.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/08\/c-program-to-add-two-numbers-codingbroz.png\" alt=\"C Program To Add Two Numbers\" class=\"wp-image-3969\" srcset=\"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/08\/c-program-to-add-two-numbers-codingbroz.png 1200w, https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/08\/c-program-to-add-two-numbers-codingbroz-768x432.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>You will get to know two different methods to do this.<\/p>\n\n\n\n<p>In the first example, the user is asked to enter two integers. Then, the sum of these two integers will be calculated and displayed on the screen.<\/p>\n\n\n\n<p>And in the second example, the same output will be achieved using a <strong>user defined function<\/strong>.<\/p>\n\n\n\n<p>So, Without further ado, let\u2019s begin the 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-662e29a2e7e97\" 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-662e29a2e7e97\" 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\/c-program-to-add-two-numbers\/#C_Program_To_Add_Two_Numbers\" title=\"C Program To Add Two Numbers\">C Program To Add Two Numbers<\/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\/c-program-to-add-two-numbers\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/a><\/li><\/ul><\/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\/c-program-to-add-two-numbers\/#Using_User_Defined_Function\" title=\"Using User Defined Function\">Using User Defined Function<\/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\/c-program-to-add-two-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_Add_Two_Numbers\"><\/span><strong>C Program To Add Two Numbers<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C Program To Add Two Numbers\n#include &lt;stdio.h>\nint main(){\n    int a, b, sum;\n    \/\/ Display Message Asking for Input\n    printf(\"Enter Two Numbers: \\n\");\n\n    \/\/ Asking for Input\n    scanf(\"%d%d\", &amp;a, &amp;b);\n\n    sum = a + b;\n\n    \/\/ Displays Output\n    printf(\"The Sum of Two Numbers is: %d\", sum);\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter Two Numbers: \n7\n18\nThe Sum of Two Numbers is: 25\n<\/code><\/pre>\n\n\n\n<h3 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><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>    int a, b, sum;<\/strong>\n<\/code><\/pre>\n\n\n\n<p>In this program, we have declared three integers <strong>a<\/strong>, <strong>b<\/strong> and <strong>sum<\/strong>.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    <strong>scanf(\"%d%d\", &amp;a, &amp;b);<\/strong><\/code><\/pre>\n\n\n\n<p>The user is asked to enter two integers. The two integers are stored in <strong>a<\/strong> and b named variables respectively.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>    sum = a + b <\/strong><\/code><\/pre>\n\n\n\n<p>Then, the two integers entered by the user are added using <strong>+<\/strong> operator and the result is stored in the <strong>sum<\/strong> variable.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    <strong>printf(\"The Sum of Two Numbers is: %d\", sum);<\/strong><\/code><\/pre>\n\n\n\n<p>Finally, the integer stored in the sum variable is displayed as output to the screen using <strong>printf()<\/strong> function.<\/p>\n\n\n\n<p><strong>#include &lt;stdio.h&gt;<\/strong> &#8211; In the first line we have used #include, it is a preprocessor command that tells the compiler to include the contents of the stdio.h(standard input and output) file in the program.<\/p>\n\n\n\n<p>The <strong>stdio.h <\/strong>is a file which contains input and output functions like<strong> scanf()<\/strong> and<strong> printf()<\/strong> to take input and display output respectively.<\/p>\n\n\n\n<p><strong>Int main()<\/strong> &#8211; Here main() is the function name and int is the return type of this function. The Execution of any Programming written in C language begins with main() function.<\/p>\n\n\n\n<p><strong>scanf()<\/strong> &#8211; scanf() function is used to take input from the user. Here <strong>%d<\/strong> indicates that we are reading decimal\/integer type.<\/p>\n\n\n\n<p><strong>printf()<\/strong> &#8211; printf() function is used to display and print the string under the quotation to the screen.<\/p>\n\n\n\n<p><strong>\/\/ <\/strong>&#8211; Used for Commenting in C<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_User_Defined_Function\"><\/span><strong>Using User Defined Function<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In this program, we will write an addition logic in the user defined function <strong>sum()<\/strong> and we will be calling this function in the main function.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C Program To Add Two Numbers Using User Defined Function\n#include &lt;stdio.h>\n\nint sum(int x, int y){\n    return x + y;\n}\nint main(){\n    int a, b, c;\n    printf(\"Enter First Integer: \");\n    scanf(\"%d\", &amp;a);\n    printf(\"Enter Second Integer: \");\n    scanf(\"%d\", &amp;b);\n    \n    \/\/ Calling the User Defined Function \n    c = sum(a, b);\n    printf(\"The Sum of Entered Numbers is: %d\", c);\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter First Integer: 7\nEnter Second Integer: 18\nThe Sum of Entered Numbers is: 25\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>int sum(int x, int y){\n    return x + y;\n}<\/strong><\/code><\/pre>\n\n\n\n<p>Here in this program, we have generated an addition logic which provides us the addition of any two numbers. Then we are calling this function in the main function.<\/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 tutorial, you have understood <strong>how to add two numbers in C<\/strong> Programming language.\u00a0<\/p>\n\n\n\n<p>If you still have any doubt regarding this, feel free to comment down your query. We will be delighted to guide you.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-hello-world-program\/\">C Program To Print &#8220;Hello, World!&#8221;<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-multiply-two-floating-point-numbers\/\">C Program To Multiply Two Floating Point Numbers<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-ascii-value-of-a-character\/\">C Program To Find ASCII Value of a Character<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-print-an-integer\/\">C Program To Print an Integer (Entered by the User)<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-compute-quotient-and-remainder\/\">C Program To Compute Quotient and Remainder<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we are going to learn how to write a program to add two numbers in the C programming language.<\/p>\n","protected":false},"author":2,"featured_media":3969,"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":[167,294],"tags":[219,218,206],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.codingbroz.com\/wp-content\/uploads\/2021\/08\/c-program-to-add-two-numbers-codingbroz.png","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3966"}],"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=3966"}],"version-history":[{"count":3,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3966\/revisions"}],"predecessor-version":[{"id":4214,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/3966\/revisions\/4214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media\/3969"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=3966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=3966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=3966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}