{"id":135414,"date":"2024-05-25T15:58:02","date_gmt":"2024-05-25T10:28:02","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135414"},"modified":"2024-05-25T15:58:02","modified_gmt":"2024-05-25T10:28:02","slug":"circular-queue-in-data-structure-using-cpp","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/","title":{"rendered":"Circular Queue in Data Structure using C++"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#include&lt;iostream&gt;\r\n#define MAXSIZE 10\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\nclass MyCqueue\r\n{\r\n    private:\r\n    int rear,front;\r\n    int cq[MAXSIZE];\r\n    public:\r\n    MyCqueue()\r\n    {\r\n        rear=-1;\r\n        front=-1;\r\n    }\r\n   void insert();\r\n   void delete1();\r\n   void display();\r\n};\r\nvoid MyCqueue::insert()\r\n{\r\n       int n;\r\n    if ((rear+1)%MAXSIZE==front)\r\n         cout&lt;&lt;\"\\n Queue is overflow\";\r\n    else\r\n    {\r\n       cout&lt;&lt;\"\\nEnter element: \";\r\n       cin&gt;&gt;n;\r\n       if(front==-1 &amp;&amp; rear==-1)\r\n           front=rear=0;\r\n       else\r\n       rear=(rear+1)%MAXSIZE;\r\n\r\n       cq[rear]=n;    \r\n    }     \r\n}\r\nvoid MyCqueue::delete1()\r\n{\r\n       int n;\r\n         if(rear==-1 &amp;&amp; front==-1)\r\n            cout&lt;&lt;\"\\n Queue is empty\";\r\n         else   \r\n         {\r\n             n=cq[front];\r\n             if(front==rear)             \r\n             {\r\n                front=-1;\r\n                rear=-1;\r\n             }\r\n             else\r\n             front=(front+1)%MAXSIZE;\r\n             cout&lt;&lt;\"\\n Deleted element: \"&lt;&lt;n;\r\n         }\r\n}\r\n\r\nvoid MyCqueue::display()\r\n{\r\n       int i;\r\n     if(rear==-1 &amp;&amp; front==-1)\r\n        cout&lt;&lt;\"\\n Queue is empty\";\r\n         else   \r\n         {\r\n              for(i=front;i!=rear;i=(i+1)%MAXSIZE)\r\n              {\r\n                cout&lt;&lt;\"  \"&lt;&lt;cq[i];\r\n              }\r\n               cout&lt;&lt;\"  \"&lt;&lt;cq[i];\r\n         }\r\n}\r\nint main()\r\n{\r\n   clrscr();\r\n   int choice;\r\n MyCqueue M;\r\n\r\n do\r\n {\r\n   cout&lt;&lt;\"\\n--------------Circular Queue Menu---------------------\";\r\n   cout&lt;&lt;\"\\n1. INSERT\";\r\n   cout&lt;&lt;\"\\n2. DELETE\";\r\n   cout&lt;&lt;\"\\n3. DISPLAY\";\r\n   cout&lt;&lt;\"\\n4.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:M.insert();break;\r\n      case 2:M.delete1();break;\r\n      case 3:M.display();break;\r\n      case 4:break;\r\n      default:cout&lt;&lt;\"\\nInvalid choice\";  \r\n   }\r\n }while(choice!=4);   \r\nreturn 0;\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 #include&lt;iostream&gt; #define MAXSIZE 10 #define clrscr() system(&#8220;cls&#8221;) using namespace std; class MyCqueue { private: int rear,front; int cq[MAXSIZE]; public: MyCqueue() { rear=-1; front=-1; } void insert(); void delete1(); void display(); }; void&#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":[31449],"tags":[32262,32263,32264,32265,32266,32249,32251,32250],"class_list":["post-135414","post","type-post","status-publish","format-standard","hentry","category-dsa-cpp-tutorials","tag-circular-queue","tag-circular-queue-in-dsa-using-c","tag-circular-queue-in-dsa-with-c","tag-data-structures-using-c","tag-data-structures-with-c","tag-dsa-using-c","tag-dsa-using-c-practical","tag-dsa-using-c-program"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Circular Queue in Data Structure 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\/circular-queue-in-data-structure-using-cpp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circular Queue in Data Structure using C++ - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 #include&lt;iostream&gt; #define MAXSIZE 10 #define clrscr() system(&quot;cls&quot;) using namespace std; class MyCqueue { private: int rear,front; int cq[MAXSIZE]; public: MyCqueue() { rear=-1; front=-1; } void insert(); void delete1(); void display(); }; void&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-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=\"2024-05-25T10:28:02+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":"Circular Queue in Data Structure 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\/circular-queue-in-data-structure-using-cpp\/","og_locale":"en_US","og_type":"article","og_title":"Circular Queue in Data Structure using C++ - DataFlair","og_description":"Program 1 #include&lt;iostream&gt; #define MAXSIZE 10 #define clrscr() system(\"cls\") using namespace std; class MyCqueue { private: int rear,front; int cq[MAXSIZE]; public: MyCqueue() { rear=-1; front=-1; } void insert(); void delete1(); void display(); }; void&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2024-05-25T10:28:02+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\/circular-queue-in-data-structure-using-cpp\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/"},"author":{"name":"TechVidvan Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49"},"headline":"Circular Queue in Data Structure using C++","datePublished":"2024-05-25T10:28:02+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/"},"wordCount":9,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["circular queue","circular queue in dsa using c++","circular queue in dsa with c++","data structures using c++","data structures with c++","dsa using c++","dsa using c++ practical","dsa using c++ program"],"articleSection":["DSA using C++ Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/","url":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/","name":"Circular Queue in Data Structure using C++ - DataFlair","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/#website"},"datePublished":"2024-05-25T10:28:02+00:00","breadcrumb":{"@id":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/data-flair.training\/blogs\/circular-queue-in-data-structure-using-cpp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog Home","item":"https:\/\/data-flair.training\/blogs\/"},{"@type":"ListItem","position":2,"name":"DSA using C++ Tutorials","item":"https:\/\/data-flair.training\/blogs\/category\/dsa-cpp-tutorials\/"},{"@type":"ListItem","position":3,"name":"Circular Queue in Data Structure using 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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