{"id":1631,"date":"2026-05-23T23:57:25","date_gmt":"2026-05-23T15:57:25","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1631"},"modified":"2026-05-23T23:57:25","modified_gmt":"2026-05-23T15:57:25","slug":"1151%ef%bc%9a%e7%b4%a0%e6%95%b0%e4%b8%aa%e6%95%b0","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/23\/1151%ef%bc%9a%e7%b4%a0%e6%95%b0%e4%b8%aa%e6%95%b0\/","title":{"rendered":"1151\uff1a\u7d20\u6570\u4e2a\u6570"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\n#include &lt;cmath>\nusing namespace std;\ndouble jiafa(double a,double b){\n    return a+b;\n}\n\/\/\u9898\u76ee \u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff0c\u8f93\u51fa\u4ed6\u662f\u4e0d\u662f\u8d28\u6570\n\/\/\u51fd\u6570\uff1a\u5224\u65ad\u4e00\u4e2a\u6570\u5b57\u662f\u4e0d\u662f\u8d28\u6570 true false 1 0\nbool isprime(int n){\n    if(n&lt;2) return false;\n    for(int i=2;i&lt;=sqrt(n);i++)\n        if(n%i==0) return false;\n    return true;\n}\nint isprime2(int n){\n    if(n&lt;2) return 0;\n    for(int i=2;i&lt;n;i++){\n        if(n%i==0) return 0;\n    }\n    return 1;\n}\nint main()\n{\n    int n;\n    cin>>n;\n    int s=0;\n    for(int i=2;i&lt;=n;i++){\n        if(isprime(i)){\n            s++;\n        }\n    }\n    cout&lt;&lt;s;\n    return 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-1631","post","type-post","status-publish","format-standard","hentry","category-st"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/comments?post=1631"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1631\/revisions"}],"predecessor-version":[{"id":1632,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1631\/revisions\/1632"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1631"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}