{"id":59,"date":"2021-06-25T10:01:43","date_gmt":"2021-06-25T02:01:43","guid":{"rendered":"https:\/\/aisumura.net\/blog\/?p=59"},"modified":"2021-06-25T13:09:29","modified_gmt":"2021-06-25T05:09:29","slug":"%e5%af%a6%e4%bd%9c%e9%81%9e%e8%bf%b41-n","status":"publish","type":"post","link":"https:\/\/aisumura.net\/blog\/2021\/06\/25\/%e5%af%a6%e4%bd%9c%e9%81%9e%e8%bf%b41-n\/","title":{"rendered":"\u5be6\u4f5c\u905e\u8ff4(1) &#8211; n!"},"content":{"rendered":"\n<p>\u6700\u8fd1\u5728\u6574\u7406\u8cc7\u6599\u7d50\u69cb&amp;\u7b97\u6cd5\u7684\u8cc7\u6599\uff0c<br>\u6240\u4ee5\u8a66\u8457\u7528\u5404\u7a2e\u8a9e\u8a00\u5c07sample code\u8a18\u9304\u4e0b\u4f86\uff0c<br>\u7df4\u7fd2\u4e4b\u9918\u9806\u4fbf\u64bf\u8d77\u4e00\u4e9b\u5f88\u4e45\u6c92\u78b0\u7684\u8a9e\u8a00\u3002<\/p>\n\n\n\n<h4>\u6b78\u7d0d:<\/h4>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>n!=\n\\begin{cases}\n1,\\ where\\ n = [0,1]\\\\\nn*(n-1)!,\\ where\\ n > 1\n\\end{cases}<\/pre><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h4>Golang<\/h4>\n\n\n\n<p>\u905e\u8ff4\u7248\u672c:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">package main\n\nimport \"fmt\"\n\n\/\/\u905e\u8ff4\u7248\u672cn!\nfunc factorial(n int) int {\n    if n == 0 || n == 1 {\n        return 1\n    }\n    return n * factorial(n-1)\n}\n\nfunc main() {\n    fmt.Println(\"input n:\")\n    var n int\n    fmt.Scanln(&amp;n)\n    fmt.Printf(\"%d! = %d\\n\", n, factorial(n))\n}\n\n<\/code><\/pre>\n\n\n\n<p>\u6539\u5beb\u6210\u8fed\u4ee3\u7248\u672c(Iteration, Non-recursive):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"go\" class=\"language-go\">\/\/\u8fed\u4ee3\u7248\u672cn!\nfunc factorial(n int) int {\n    result := 1\n    for i := 2; i &lt;= n; i++ {\n        result *= i\n    }\n    return result\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5728\u6574\u7406\u8cc7\u6599\u7d50\u69cb&amp;\u7b97\u6cd5\u7684\u8cc7\u6599\uff0c\u6240\u4ee5\u8a66\u8457\u7528\u5404\u7a2e\u8a9e\u8a00\u5c07sample code\u8a18\u9304\u4e0b\u4f86\uff0c\u7df4\u7fd2\u4e4b\u9918\u9806\u4fbf\u64bf\u8d77\u4e00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[6,8],"_links":{"self":[{"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/posts\/59"}],"collection":[{"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":18,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/posts\/59\/revisions"}],"predecessor-version":[{"id":98,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/posts\/59\/revisions\/98"}],"wp:attachment":[{"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/media?parent=59"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/categories?post=59"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aisumura.net\/blog\/wp-json\/wp\/v2\/tags?post=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}