{"id":143192,"date":"2024-08-14T15:01:18","date_gmt":"2024-08-14T09:31:18","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=143192"},"modified":"2024-08-14T15:01:18","modified_gmt":"2024-08-14T09:31:18","slug":"queue-linked-list-in-dsa-using-cpp","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/queue-linked-list-in-dsa-using-cpp\/","title":{"rendered":"Queue Linked List in DSA using C++"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for Queue LinkedList\r\n#include&lt;iostream&gt;\r\n#include&lt;stdio.h&gt;\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\nclass node\r\n{\r\n    public:\r\n    int data;\r\n    node *add;\r\n};\r\nnode *start=NULL,*new1,*temp,*rear,*front;\r\nvoid create();\r\nvoid insert();\r\nvoid delete1();\r\nvoid display();\r\nint main()\r\n{\r\n    int choice;\r\n  do\r\n {   \r\n    cout&lt;&lt;\"\\n---------------Queue Linked List---------------\";\r\n    cout&lt;&lt;\"\\n 1.Create\";\r\n    cout&lt;&lt;\"\\n 2.Insert\";\r\n    cout&lt;&lt;\"\\n 3.Delete\";\r\n    cout&lt;&lt;\"\\n 4.Display\";\r\n    cout&lt;&lt;\"\\n 5.Exit\";\r\n    cout&lt;&lt;\"\\n--------------------------------------------------\";\r\n    cout&lt;&lt;\"\\nEnter Your Choice\";\r\n    cin&gt;&gt;choice;\r\n    switch(choice)   \r\n    {\r\n        case 1:create();break;\r\n        case 2:insert();break;\r\n        case 3:delete1();break;\r\n        case 4:display();break;\r\n        case 5:break;\r\n        default:cout&lt;&lt;\"Invalid choice\";\r\n    }\r\n }while(choice!=5);  \r\n     return 0 ;\r\n}\r\nvoid create()\r\n{\r\n     int n;\r\n     char ch;\r\n     cout&lt;&lt;\"\\n Enter an element\";\r\n     cin&gt;&gt;n;\r\n     start=new node;\r\n     start-&gt;data=n;\r\n     start-&gt;add=NULL;\r\n     temp=start;\r\n     cout&lt;&lt;\"\\n Want to continue\";\r\n     cin&gt;&gt;ch;\r\n     while(ch=='y' || ch=='Y')\r\n     {\r\n        cout&lt;&lt;\"\\n Enter next element\";\r\n        cin&gt;&gt;n;\r\n        new1=new node;\r\n        new1-&gt;data=n;\r\n        new1-&gt;add=NULL;\r\n        temp-&gt;add=new1;\r\n        temp=temp-&gt;add;\r\n        cout&lt;&lt;\"\\n Want to continue\";\r\n       cin&gt;&gt;ch;\r\n     }\r\n}\r\nvoid insert()\r\n{\r\n       int n;\r\n      if(start==NULL)\r\n          cout&lt;&lt;\"\\n Queue not found\";\r\n       else\r\n       {\r\n            cout&lt;&lt;\"Enter an element for insert\";\r\n            cin&gt;&gt;n;\r\n            new1=new node;\r\n            new1-&gt;data=n;\r\n            new1-&gt;add=NULL;\r\n            rear=start;\r\n            while(rear-&gt;add!=NULL)\r\n                {\r\n                    rear=rear-&gt;add;\r\n                }\r\n             rear-&gt;add=new1; \r\n       }   \r\n}\r\nvoid display()\r\n{\r\n    if(start==NULL)\r\n      cout&lt;&lt;\"\\nQueue not found\";\r\n    else\r\n    {\r\n        temp=start;\r\n        while(temp!=NULL)\r\n        {\r\n             cout&lt;&lt;temp-&gt;data&lt;&lt;\"  \";\r\n             temp=temp-&gt;add;\r\n        }\r\n    }  \r\n}\r\nvoid delete1()\r\n{\r\n    if(start==NULL)\r\n       cout&lt;&lt;\"Queue not found\";\r\n    else\r\n    {\r\n            front=start;\r\n            start=start-&gt;add;\r\n            cout&lt;&lt;\"Delete element: \"&lt;&lt;front-&gt;data;\r\n            delete(front);        \r\n    }   \r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ Program for Queue LinkedList #include&lt;iostream&gt; #include&lt;stdio.h&gt; #define clrscr() system(&#8220;cls&#8221;) using namespace std; class node { public: int data; node *add; }; node *start=NULL,*new1,*temp,*rear,*front; void create(); void insert(); void delete1(); void display();&#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":[31449],"tags":[32874,32869,32870,32879,32249,32877,32878],"class_list":["post-143192","post","type-post","status-publish","format-standard","hentry","category-dsa-cpp-tutorials","tag-dsa-c","tag-dsa-c-practical","tag-dsa-c-program","tag-dsa-c-program-on-queue-linked-list","tag-dsa-using-c","tag-queue-linked-list-in-dsa-c","tag-queue-linked-list-in-dsa-using-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Queue Linked List in DSA using 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\/queue-linked-list-in-dsa-using-cpp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Queue Linked List in DSA using C++ - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Program for Queue LinkedList #include&lt;iostream&gt; #include&lt;stdio.h&gt; #define clrscr() system(&quot;cls&quot;) using namespace std; class node { public: int data; node *add; }; node *start=NULL,*new1,*temp,*rear,*front; void create(); void insert(); void delete1(); void display();&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/queue-linked-list-in-dsa-using-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=\"2024-08-14T09:31:18+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":"Queue Linked List in DSA using 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\/queue-linked-list-in-dsa-using-cpp\/","og_locale":"en_US","og_type":"article","og_title":"Queue Linked List in DSA using C++ - DataFlair","og_description":"Program 1 \/\/ Program for Queue LinkedList #include&lt;iostream&gt; 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