{"id":5563,"date":"2024-03-14T03:01:07","date_gmt":"2024-03-14T03:01:07","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-write-a-palindrome-number-using-a-for-loop-in-the-c-language\/"},"modified":"2025-08-01T16:44:54","modified_gmt":"2025-08-01T16:44:54","slug":"how-to-write-a-palindrome-number-using-a-for-loop-in-the-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-write-a-palindrome-number-using-a-for-loop-in-the-c-language\/","title":{"rendered":"Palindrome Number Check in C Using For Loop"},"content":{"rendered":"<p>A palindrome number refers to a number that reads the same from left to right as it does from right to left, such as 121 or 1221.<\/p>\n<p>Below is an example code written using a for loop to determine if a number is a palindrome.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> num, reversedNum = <span class=\"hljs-number\">0<\/span>, originalNum, remainder;\r\n\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: \"<\/span>);\r\n    <span class=\"hljs-built_in\">scanf<\/span>(<span class=\"hljs-string\">\"%d\"<\/span>, &amp;num);\r\n\r\n    originalNum = num;\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5c06\u6570\u5b57\u53cd\u8f6c<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (; num != <span class=\"hljs-number\">0<\/span>; num \/= <span class=\"hljs-number\">10<\/span>) {\r\n        remainder = num % <span class=\"hljs-number\">10<\/span>;\r\n        reversedNum = reversedNum * <span class=\"hljs-number\">10<\/span> + remainder;\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5224\u65ad\u662f\u5426\u4e3a\u56de\u6587\u6570<\/span>\r\n    <span class=\"hljs-keyword\">if<\/span> (originalNum == reversedNum) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"%d \u662f\u4e00\u4e2a\u56de\u6587\u6570\u3002\\n\"<\/span>, originalNum);\r\n    } <span class=\"hljs-keyword\">else<\/span> {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"%d \u4e0d\u662f\u4e00\u4e2a\u56de\u6587\u6570\u3002\\n\"<\/span>, originalNum);\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>After the user inputs a number, the program will reverse the number and compare it with the original number to determine if it is a palindrome.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A palindrome number refers to a number that reads the same from left to right as it does from right to left, such as 121 or 1221. Below is an example code written using a for loop to determine if a number is a palindrome. #include &lt;stdio.h&gt; int main() { int num, reversedNum = 0, [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[704,381,1767,6112,6111],"class_list":["post-5563","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-code-examples","tag-c-programming","tag-for-loop","tag-number-reversal","tag-palindrome-number"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Palindrome Number Check in C Using For Loop - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to write a C program using a for loop to check if a number is a palindrome. 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