{"id":135819,"date":"2024-05-06T12:52:07","date_gmt":"2024-05-06T07:22:07","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135819"},"modified":"2024-05-06T12:52:07","modified_gmt":"2024-05-06T07:22:07","slug":"cpp-program-on-dynamic-memory-allocation","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/cpp-program-on-dynamic-memory-allocation\/","title":{"rendered":"C++ Program on Dynamic Memory Allocation"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for Dynamic Memory allocation using new and delete\r\n#include&lt;iostream&gt;\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\nint main()\r\n{\r\n          int *ar,n,i,sum=0;\r\n          clrscr();\r\n          cout&lt;&lt;\"\\nEnter limit of array\";\r\n          cin&gt;&gt;n;\r\n          ar=new int[n];  \/\/dynamic memory allocation for array\r\n          cout&lt;&lt;\"\\nEnter element in array\";\r\n          for(i=0;i&lt;n;i++)\r\n                cin&gt;&gt;ar[i];\r\n          \r\n          cout&lt;&lt;\"------------------------------------\\n\";\r\n          for(i=0;i&lt;n;i++)\r\n          {\r\n               cout&lt;&lt;ar[i]&lt;&lt;\"\\n\";      \r\n                sum=sum+ar[i];\r\n          }\r\n          cout&lt;&lt;\"\\n Sum of array: \"&lt;&lt;sum;\r\n\r\n         delete ar;  \/\/dynamic memory deallocation for array\r\n}<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for Dynamic Memory allocation using new and delete\r\n#include&lt;iostream&gt;\r\n#define clrscr() system(\"cls\")\r\nusing namespace std;\r\nclass Test\r\n{\r\n     int *ar,m,i;\r\n     public:\r\n\r\n     \/\/constructor\r\n     Test(int n)\r\n     {\r\n        cout&lt;&lt;\"\\nThis is constructor memory allocation done\\n\";\r\n        ar=new int[n];\r\n        m=n;\r\n     }\r\n    void getdata()\r\n    {\r\n          cout&lt;&lt;\"\\nEnter element in array\";\r\n          for(i=0;i&lt;m;i++)\r\n                cin&gt;&gt;ar[i];\r\n    }\r\n    int search(int s)\r\n    {\r\n          int i;\r\n            for(i=0;i&lt;m;i++)\r\n            {\r\n                if(ar[i]==s)\r\n                 return 1;\r\n            }\r\n          return 0;  \r\n    }\r\n    void printdata()\r\n    {\r\n         cout&lt;&lt;\"\\n------------------------------------\\n\";\r\n          for(i=0;i&lt;m;i++)\r\n               cout&lt;&lt;ar[i]&lt;&lt;\"\\n\";      \r\n    }\r\n     \/\/destructor\r\n     ~Test()\r\n     {\r\n        cout&lt;&lt;\"\\nThis is destructor memory deallocation done\\n memory is free now\";\r\n        delete ar;\r\n     }\r\n};\r\n\r\nint main()\r\n{\r\n    clrscr();\r\n    int limit,s;\r\n    cout&lt;&lt;\"\\nEnter limit of array\";\r\n     cin&gt;&gt;limit; \r\n     Test T(limit);\r\n     T.getdata();\r\n     cout&lt;&lt;\"\\nEnter element for search\";\r\n     cin&gt;&gt;s;\r\n     if(T.search(s))\r\n       cout&lt;&lt;\"\\nSearching success\";\r\n     else\r\n     cout&lt;&lt;\"\\nSearching not success\";  \r\n   \/\/  T.printdata();\r\n    return 0;\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ Program for Dynamic Memory allocation using new and delete #include&lt;iostream&gt; #define clrscr() system(&#8220;cls&#8221;) using namespace std; int main() { int *ar,n,i,sum=0; clrscr(); cout&lt;&lt;&#8220;\\nEnter limit of array&#8221;; cin&gt;&gt;n; ar=new int[n]; \/\/dynamic memory&#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":[2263,31837,29219,29218,31835,31838,31836],"class_list":["post-135819","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-c","tag-c-dynamic-memory-allocation","tag-c-practical","tag-c-program","tag-c-program-on-dynamic-memory-allocation","tag-dynamic-memory-allocation","tag-dynamic-memory-allocation-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 on Dynamic Memory Allocation - 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\/cpp-program-on-dynamic-memory-allocation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ Program on Dynamic Memory Allocation - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Program for Dynamic Memory allocation using new and delete #include&lt;iostream&gt; 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