{"id":146588,"date":"2025-08-11T11:48:21","date_gmt":"2025-08-11T06:18:21","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=146588"},"modified":"2025-08-11T11:48:21","modified_gmt":"2025-08-11T06:18:21","slug":"range-based-for-loop-in-cpp","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/","title":{"rendered":"Range-Based for Loop in C++"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Ranged based for loop\r\n#include&lt;iostream&gt;\r\n#include &lt;vector&gt;\r\n#include &lt;map&gt;\r\nusing namespace std;\r\nint main()\r\n{\r\n   system(\"cls\");\r\n\r\n\r\nint nums[] = {1, 2, 3};  \r\n\r\nfor (int &amp;x : nums) \r\n{\r\n       x =x*2;\r\n}\r\nfor(int m:nums)\r\n{\r\n    cout&lt;&lt;m&lt;&lt;endl;\r\n}\r\n\r\n\r\n\r\n\/\/     vector&lt;string&gt; names = {\"Niral\", \"Aarna\", \"Ankita\",\"Amit\",\"AAkash\"};\r\n    \r\n\/\/     for (string name : names) \r\n\/\/     {\r\n\/\/        cout &lt;&lt; name &lt;&lt; \"\\n\";\r\n\/\/    }\r\n\r\n\/\/ map&lt;int, string&gt; students = {{1, \"Vikas\"}, {2, \"Amit\"}};\r\n\r\n\/\/ for (const auto &amp;pair : students) \r\n\/\/ {\r\n\/\/     cout &lt;&lt; pair.first &lt;&lt; \" =&gt; \" &lt;&lt; pair.second &lt;&lt; \"\\n\";\r\n\/\/ }\r\n\r\n\r\n\r\n\r\n    \/\/ int ar[]={10,20,30,40,50};\r\n    \/\/ int sum=0;\r\n    \/\/ for(int m:ar)\r\n    \/\/ {\r\n    \/\/    cout&lt;&lt;m&lt;&lt;endl;\r\n    \/\/   sum=sum+m;\r\n    \/\/ }\r\n    \/\/ cout&lt;&lt;\"Sum of elements: \"&lt;&lt;sum;\r\n return 0;    \r\n}\r\n\/*\r\n   for(int i=1;i&lt;=10;i++)\r\n   {}\r\n    \r\n   for( data type variable_name : collection )\r\n   {\r\n\r\n   }\r\n*\/<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ Ranged based for loop #include&lt;iostream&gt; #include &lt;vector&gt; #include &lt;map&gt; using namespace std; int main() { system(&#8220;cls&#8221;); int nums[] = {1, 2, 3}; for (int &amp;x : nums) { x =x*2; }&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20172],"tags":[28585,2263,29219,29218,35052,35050,35051,35049],"class_list":["post-146588","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-c-tutorial","tag-c","tag-c-practical","tag-c-program","tag-c-program-on-range-based-for-loop","tag-c-range-based-for-loop","tag-range-based-for-loop","tag-range-based-for-loop-in-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Range-Based for Loop in C++ - 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\/range-based-for-loop-in-cpp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Range-Based for Loop in C++ - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Ranged based for loop #include&lt;iostream&gt; #include &lt;vector&gt; #include &lt;map&gt; using namespace std; int main() { system(&quot;cls&quot;); int nums[] = {1, 2, 3}; for (int &amp;x : nums) { x =x*2; }&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/\" \/>\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=\"2025-08-11T06:18:21+00:00\" \/>\n<meta name=\"author\" content=\"DataFlair 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=\"DataFlair 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":"Range-Based for Loop in C++ - 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\/range-based-for-loop-in-cpp\/","og_locale":"en_US","og_type":"article","og_title":"Range-Based for Loop in C++ - DataFlair","og_description":"Program 1 \/\/ Ranged based for loop #include&lt;iostream&gt; #include &lt;vector&gt; #include &lt;map&gt; using namespace std; int main() { system(\"cls\"); int nums[] = {1, 2, 3}; for (int &amp;x : nums) { x =x*2; }&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2025-08-11T06:18:21+00:00","author":"DataFlair Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"DataFlair Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/"},"author":{"name":"DataFlair Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/c187795dc82ab948373cca526df7c445"},"headline":"Range-Based for Loop in C++","datePublished":"2025-08-11T06:18:21+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/"},"wordCount":7,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["c tutorial","C++","c++ practical","c++ program","c++ program on range-based for loop","c++ range-based for loop","range-based for loop","range-based for loop in c++"],"articleSection":["C++ Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/","url":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/","name":"Range-Based for Loop in C++ - DataFlair","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/#website"},"datePublished":"2025-08-11T06:18:21+00:00","breadcrumb":{"@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/data-flair.training\/blogs\/range-based-for-loop-in-cpp\/#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":"Range-Based for Loop in C++"}]},{"@type":"WebSite","@id":"https:\/\/data-flair.training\/blogs\/#website","url":"https:\/\/data-flair.training\/blogs\/","name":"DataFlair","description":"Learn Today. 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