{"id":144437,"date":"2025-03-03T11:42:27","date_gmt":"2025-03-03T06:12:27","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=144437"},"modified":"2025-03-03T11:42:27","modified_gmt":"2025-03-03T06:12:27","slug":"while-loop-in-c-programming","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/while-loop-in-c-programming\/","title":{"rendered":"while Loop in C Programming"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for factorial of number\r\n#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n     int n,f=1,m;\r\n     printf(\"Enter a number\");\r\n     scanf(\"%d\",&amp;n);\r\n     m=n;\r\n     while(n!=0)\r\n     {\r\n        f=f*n;\r\n        n--;\r\n     }\r\n    printf(\"Factorial of %d  is %d \",m,f);\r\n   return 0;\r\n}\r\n<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for addition of individual digits\r\n#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n      int n,r,s=0;\r\n      printf(\"Enter a number\");\r\n      scanf(\"%d\",&amp;n);\r\n      while(n!=0)\r\n      {\r\n          r=n%10;\r\n          s=s+r;\r\n          n=n\/10;\r\n      }\r\n      printf(\"Addition is %d: \",s);\r\n      return 0;\r\n}  \r\n<\/pre>\n<h3>Program 3<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for reverse of number\r\n#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n      int n,r,s=0,m;\r\n      printf(\"Enter a number\");\r\n      scanf(\"%d\",&amp;n);\r\n      m=n;\r\n      while(n!=0)\r\n      {\r\n          r=n%10;\r\n          s=s*10+r;\r\n          n=n\/10;\r\n      }\r\n      printf(\"Reverse of %d is %d \",m,s);\r\n      return 0;\r\n}  \r\n<\/pre>\n<h3>Program 4<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for palindrom number\r\n#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\nint main()\r\n{\r\n    system(\"cls\");\r\n      int n,r,s=0,m;\r\n      printf(\"Enter a number\");\r\n      scanf(\"%d\",&amp;n);\r\n      m=n;\r\n      while(n!=0)\r\n      {\r\n          r=n%10;\r\n          s=s*10+r;\r\n          n=n\/10;\r\n      }\r\n      if(m==s)\r\n        printf(\"No is Palimdrom\");\r\n      else\r\n         printf(\"No is not Palimdrom\"); \r\n      return 0;\r\n}  \r\n<\/pre>\n<h3>Program 5<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">\/\/ Program for armstrong number\r\n#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\nint main()\r\n{\r\n      system(\"cls\");\r\n      int n,r,s=0,m;\r\n      printf(\"Enter a number\");\r\n      scanf(\"%d\",&amp;n);\r\n      m=n;\r\n      while(n!=0)\r\n      {\r\n          r=n%10;\r\n          s=s+(r*r*r);\r\n          n=n\/10;\r\n      }\r\n      if(m==s)\r\n        printf(\"No is Armstrong\");\r\n      else\r\n         printf(\"No is not Armstrong\"); \r\n      return 0;\r\n}  \r\n<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 \/\/ Program for factorial of number #include&lt;stdio.h&gt; #include&lt;conio.h&gt; int main() { system(&#8220;cls&#8221;); int n,f=1,m; printf(&#8220;Enter a number&#8221;); scanf(&#8220;%d&#8221;,&amp;n); m=n; while(n!=0) { f=f*n; n&#8211;; } printf(&#8220;Factorial of %d is %d &#8220;,m,f); return 0;&#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":[19488],"tags":[33786,28002,33785,33787,23914,28585,28338,29219,29218,29253,29247,20290],"class_list":["post-144437","post","type-post","status-publish","format-standard","hentry","category-c-programming","tag-c-program-for-addition-of-individual-digits","tag-c-program-for-armstrong-number","tag-c-program-for-factorial-of-number","tag-c-program-for-reverse-of-number","tag-c-programming","tag-c-tutorial","tag-c-while-loop","tag-c-practical","tag-c-program","tag-c-program-for-palindrome-number","tag-c-program-for-while-loop","tag-while-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>while Loop in C Programming - 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\/while-loop-in-c-programming\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"while Loop in C Programming - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 \/\/ Program for factorial of number #include&lt;stdio.h&gt; #include&lt;conio.h&gt; int main() { system(&quot;cls&quot;); int n,f=1,m; printf(&quot;Enter a number&quot;); scanf(&quot;%d&quot;,&amp;n); m=n; while(n!=0) { f=f*n; n--; } printf(&quot;Factorial of %d is %d &quot;,m,f); return 0;&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/while-loop-in-c-programming\/\" \/>\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=\"2025-03-03T06:12:27+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":"while Loop in C Programming - 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\/while-loop-in-c-programming\/","og_locale":"en_US","og_type":"article","og_title":"while Loop in C Programming - DataFlair","og_description":"Program 1 \/\/ Program for factorial of number #include&lt;stdio.h&gt; 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