{"id":126895,"date":"2023-11-29T11:40:44","date_gmt":"2023-11-29T06:10:44","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=126895"},"modified":"2023-11-29T11:40:44","modified_gmt":"2023-11-29T06:10:44","slug":"implementation-of-cpp-call-by-reference-function","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/","title":{"rendered":"C++ Program For Call by Reference Function"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/Program by call by reference\r\n#include&lt;iostream&gt;\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\n\/\/void xyz(int *a);\r\nvoid swap(int *a,int *b);\r\n\r\nint main()\r\n{\r\n    int a,b;\r\n     clrscr();\r\n    cout&lt;&lt;\"\\nEnter two number: \";\r\n    cin&gt;&gt;a&gt;&gt;b;\r\n    cout&lt;&lt;\"\\n Before swaping: \"&lt;&lt;a &lt;&lt;\" \"&lt;&lt;b;\r\n    swap(a,b);\r\n        cout&lt;&lt;\"\\n After swaping: \"&lt;&lt;a &lt;&lt;\" \"&lt;&lt;b;\r\n    \/\/ \/\/xyz(a); \/\/ call by value\r\n    \/\/ xyz(&amp;a);  \/\/ call by reference\r\n    \/\/ cout&lt;&lt;a;\r\n    return 0;\r\n}\r\nvoid swap(int *a,int *b)\r\n{\r\n    *a=*a+*b;\r\n    *b=*a-*b;\r\n    *a=*a-*b;\r\n    \r\n}\r\n\r\n\/\/ void xyz(int *a)\r\n\/\/ {\r\n\/\/     ++*a;\r\n\/\/ }<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/Program by call by reference #include&lt;iostream&gt; #define clrscr() system(&#8220;cls&#8221;) using namespace std; \/\/void xyz(int *a); void swap(int *a,int *b); int main() { int a,b; clrscr(); cout&lt;&lt;&#8220;\\nEnter two number: &#8220;; cin&gt;&gt;a&gt;&gt;b; cout&lt;&lt;&#8220;\\n Before&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20172],"tags":[2263,29499,29219,29218,29497,29498],"class_list":["post-126895","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-c","tag-c-call-by-reference-function","tag-c-practical","tag-c-program","tag-c-program-for-call-by-reference-function","tag-call-by-reference-function-in-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C++ Program For Call by Reference Function - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ Program For Call by Reference Function - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/Program by call by reference #include&lt;iostream&gt; #define clrscr() system(&quot;cls&quot;) using namespace std; \/\/void xyz(int *a); void swap(int *a,int *b); int main() { int a,b; clrscr(); cout&lt;&lt;&quot;nEnter two number: &quot;; cin&gt;&gt;a&gt;&gt;b; cout&lt;&lt;&quot;n Before&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-29T06:10:44+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++ Program For Call by Reference Function - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/","og_locale":"en_US","og_type":"article","og_title":"C++ Program For Call by Reference Function - DataFlair","og_description":"Program 1 \/\/Program by call by reference #include&lt;iostream&gt; #define clrscr() system(\"cls\") using namespace std; \/\/void xyz(int *a); void swap(int *a,int *b); int main() { int a,b; clrscr(); cout&lt;&lt;\"nEnter two number: \"; cin&gt;&gt;a&gt;&gt;b; cout&lt;&lt;\"n Before&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2023-11-29T06:10:44+00:00","author":"TechVidvan Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"TechVidvan Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/"},"author":{"name":"TechVidvan Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49"},"headline":"C++ Program For Call by Reference Function","datePublished":"2023-11-29T06:10:44+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/"},"wordCount":9,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["C++","c++ call by reference function","c++ practical","c++ program","C++ Program For Call by Reference Function","call by reference function in c++"],"articleSection":["C++ Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/","url":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/","name":"C++ Program For Call by Reference Function - DataFlair","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/#website"},"datePublished":"2023-11-29T06:10:44+00:00","breadcrumb":{"@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/data-flair.training\/blogs\/implementation-of-cpp-call-by-reference-function\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog Home","item":"https:\/\/data-flair.training\/blogs\/"},{"@type":"ListItem","position":2,"name":"C++ Tutorials","item":"https:\/\/data-flair.training\/blogs\/category\/cpp\/"},{"@type":"ListItem","position":3,"name":"C++ Program For Call by Reference Function"}]},{"@type":"WebSite","@id":"https:\/\/data-flair.training\/blogs\/#website","url":"https:\/\/data-flair.training\/blogs\/","name":"DataFlair","description":"Learn Today. Lead Tomorrow.","publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/data-flair.training\/blogs\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/data-flair.training\/blogs\/#organization","name":"DataFlair","url":"https:\/\/data-flair.training\/blogs\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/logo\/image\/","url":"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2016\/07\/Data-Flair.png","contentUrl":"https:\/\/data-flair.training\/blogs\/wp-content\/uploads\/sites\/2\/2016\/07\/Data-Flair.png","width":106,"height":48,"caption":"DataFlair"},"image":{"@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/DataFlairWS\/","https:\/\/x.com\/DataFlairWS","https:\/\/www.linkedin.com\/company\/dataflair-web-services-pvt-ltd\/","https:\/\/www.youtube.com\/user\/DataFlairWS"]},{"@type":"Person","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49","name":"TechVidvan Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/c89190da3d4010c71ba476b618ab10fdc2335c82cdfa0ad5002d98d0f2473444?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c89190da3d4010c71ba476b618ab10fdc2335c82cdfa0ad5002d98d0f2473444?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c89190da3d4010c71ba476b618ab10fdc2335c82cdfa0ad5002d98d0f2473444?s=96&d=mm&r=g","caption":"TechVidvan Team"},"description":"TechVidvan Team provides high-quality content &amp; courses on AI, ML, Data Science, Data Engineering, Data Analytics, programming, Python, DSA, Android, Flutter, full stack web dev, MERN, and many latest technology.","url":"https:\/\/data-flair.training\/blogs\/author\/test001\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/126895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/users\/86671"}],"replies":[{"embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/comments?post=126895"}],"version-history":[{"count":4,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/126895\/revisions"}],"predecessor-version":[{"id":130570,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/posts\/126895\/revisions\/130570"}],"wp:attachment":[{"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/media?parent=126895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/categories?post=126895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/data-flair.training\/blogs\/wp-json\/wp\/v2\/tags?post=126895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}