{"id":25480,"date":"2024-03-16T05:01:16","date_gmt":"2024-03-16T05:01:16","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-of-summing-the-fibonacci-sequence-in-the-c-language\/"},"modified":"2024-03-22T06:16:32","modified_gmt":"2024-03-22T06:16:32","slug":"what-is-the-method-of-summing-the-fibonacci-sequence-in-the-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-of-summing-the-fibonacci-sequence-in-the-c-language\/","title":{"rendered":"What is the method of summing the Fibonacci sequence in the C language?"},"content":{"rendered":"<p>In C language, the sum of the Fibonacci sequence can be achieved through either loops or recursion.<\/p>\n<ol>\n<li>loop method:<\/li>\n<\/ol>\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_\">fibonacci<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> n)<\/span>{\r\n    <span class=\"hljs-type\">int<\/span> first = <span class=\"hljs-number\">0<\/span>;\r\n    <span class=\"hljs-type\">int<\/span> second = <span class=\"hljs-number\">1<\/span>;\r\n    <span class=\"hljs-type\">int<\/span> sum = first + second;\r\n    <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-type\">int<\/span> i=<span class=\"hljs-number\">3<\/span>; i&lt;=n; i++){\r\n        <span class=\"hljs-type\">int<\/span> temp = first + second;\r\n        sum += temp;\r\n        first = second;\r\n        second = temp;\r\n    }\r\n    <span class=\"hljs-keyword\">return<\/span> sum;\r\n}\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> n;\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u9879\u6570\uff1a\"<\/span>);\r\n    <span class=\"hljs-built_in\">scanf<\/span>(<span class=\"hljs-string\">\"%d\"<\/span>, &amp;n);\r\n    <span class=\"hljs-type\">int<\/span> result = fibonacci(n);\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u524d%d\u9879\u548c\u4e3a\uff1a%d\\n\"<\/span>, n, result);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>Recursive method:<\/li>\n<\/ol>\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_\">fibonacci<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> n)<\/span>{\r\n    <span class=\"hljs-keyword\">if<\/span>(n &lt;= <span class=\"hljs-number\">2<\/span>){\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">1<\/span>;\r\n    }<span class=\"hljs-keyword\">else<\/span>{\r\n        <span class=\"hljs-keyword\">return<\/span> fibonacci(n<span class=\"hljs-number\">-1<\/span>) + fibonacci(n<span class=\"hljs-number\">-2<\/span>);\r\n    }\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">fibonacciSum<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> n)<\/span>{\r\n    <span class=\"hljs-type\">int<\/span> sum = <span class=\"hljs-number\">0<\/span>;\r\n    <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-type\">int<\/span> i=<span class=\"hljs-number\">1<\/span>; i&lt;=n; i++){\r\n        sum += fibonacci(i);\r\n    }\r\n    <span class=\"hljs-keyword\">return<\/span> sum;\r\n}\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> n;\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u9879\u6570\uff1a\"<\/span>);\r\n    <span class=\"hljs-built_in\">scanf<\/span>(<span class=\"hljs-string\">\"%d\"<\/span>, &amp;n);\r\n    <span class=\"hljs-type\">int<\/span> result = fibonacciSum(n);\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u524d%d\u9879\u548c\u4e3a\uff1a%d\\n\"<\/span>, n, result);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>The above are two common methods, with the iterative method being more efficient and the recursive method being less efficient but having simpler code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C language, the sum of the Fibonacci sequence can be achieved through either loops or recursion. loop method: #include&lt;stdio.h&gt; int fibonacci(int n){ int first = 0; int second = 1; int sum = first + second; for(int i=3; i&lt;=n; i++){ int temp = first + second; sum += temp; first = second; second = [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-25480","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>What is the method of summing the Fibonacci sequence in the C language? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" 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