{"id":1402,"date":"2026-05-11T15:45:37","date_gmt":"2026-05-11T07:45:37","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1402"},"modified":"2026-05-11T15:45:37","modified_gmt":"2026-05-11T07:45:37","slug":"gesp2506%e4%ba%8c%e7%ba%a7-%e5%b9%82%e5%92%8c%e6%95%b0","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/11\/gesp2506%e4%ba%8c%e7%ba%a7-%e5%b9%82%e5%92%8c%e6%95%b0\/","title":{"rendered":"[GESP2506\u4e8c\u7ea7] \u5e42\u548c\u6570"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>using namespace std;\nint main(){\n    int l,r;\n    cin>>l>>r;\n    int a&#91;20]={1}; \/\/ \u9884\u5904\u7406\uff1a\u63d0\u524d\u6c42\u51fa\u672c\u9898\u8303\u56f4\u51852\u7684\u5e42\n    for(int i=1;i&lt;=19;i++) a&#91;i]=a&#91;i-1]*2;\n    int cnt=0;\n    for(int i=l;i&lt;=r;i++){\n        int n=i;\n        bool f=false; \/\/ \u5047\u8bbe\u4e0d\u662f\u5e42\u5408\u6570\n        for(int x=0;a&#91;x]&lt;=n;x++){\n            if(f) break; \/\/ \u907f\u514d\u91cd\u590d\u8ba1\u7b97\n            for(int y=0;a&#91;y]&lt;=n;y++){\n                if(a&#91;x]+a&#91;y]==n){\n                    cnt++;\n                    f=true;\n                    break;\n                }\n            }\n        }\n    }\n    cout&lt;&lt;cnt;\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-1402","post","type-post","status-publish","format-standard","hentry","category-st"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1402","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=1402"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1402\/revisions"}],"predecessor-version":[{"id":1403,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1402\/revisions\/1403"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1402"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}