{"id":162,"date":"2026-03-21T00:00:05","date_gmt":"2026-03-20T16:00:05","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=162"},"modified":"2026-04-22T15:58:42","modified_gmt":"2026-04-22T07:58:42","slug":"gesp202603-%e4%ba%94%e7%ba%a7-%e6%9c%89%e9%99%90%e4%b8%8d%e5%be%aa%e7%8e%af%e5%b0%8f%e6%95%b0","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/03\/21\/gesp202603-%e4%ba%94%e7%ba%a7-%e6%9c%89%e9%99%90%e4%b8%8d%e5%be%aa%e7%8e%af%e5%b0%8f%e6%95%b0\/","title":{"rendered":"[GESP202603 \u4e94\u7ea7] \u6709\u9650\u4e0d\u5faa\u73af\u5c0f\u6570"},"content":{"rendered":"\n<figure class=\"wp-block-pullquote\"><blockquote><p>\u7ec8\u6b62\u6570\uff1a\u5206\u89e3\u8d28\u56e0\u6570\u540e\u53ea\u5b58\u57282\u548c5\u7684\u6570\u5b57<\/p><cite>\u6570\u8bba<\/cite><\/blockquote><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4ee5\u4e0a\u5b9a\u4e49\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u5c0610^6\u4ee5\u5185\u6240\u6709\u7b26\u5408\u6761\u4ef6\u7684\u6570\u5b57\u627e\u51fa\u6765\uff0c\u518d\u4ece\u9898\u76ee\u8981\u6c42\u7684\u8303\u56f4[L,R]\u4e2d\u7edf\u8ba1\u51fa\u5177\u4f53\u7684\u4e2a\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;bits\/stdc++.h&gt;\nusing namespace std;\n\nint main() {\n    int l, r;\n    cin &gt;&gt; l &gt;&gt; r;\n    const int MAX = 1e6;\n    set&lt;int&gt; nums; \/\/ \u6392\u5e8f\u5e76\u53bb\u91cd\n\n    \/\/ \u751f\u6210\u6240\u6709\u4e0d\u8d85\u8fc7 MAX \u7684\u5f62\u5982 2^a * 5^b \u7684\u6570\n    for (long long a = 1; a &lt;= MAX; a *= 2) {\n        for (long long b = a; b &lt;= MAX; b *= 5) {\n            nums.insert(b);\n        }\n    }\n\n    \/\/ \u7edf\u8ba1\u4e2a\u6570\n    int ans = 0;\n    for (int t: nums) {\n        if (t &gt; r) break; \n        ans += t &gt;= l;\n    }\n\n    cout &lt;&lt; ans &lt;&lt; endl;\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u672c\u9898\u4e3a\u591a\u7ec4\u6570\u636e\uff0c\u5219\u9700\u8981\u52a0\u5165\u4e8c\u5206\u67e5\u627e\u7b49\u4f18\u5316\u65b9\u6848\u63d0\u9ad8\u6c42\u89e3\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ec8\u6b62\u6570\uff1a\u5206\u89e3\u8d28\u56e0\u6570\u540e\u53ea\u5b58\u57282\u548c5\u7684\u6570\u5b57 \u6570\u8bba \u7531\u4ee5\u4e0a\u5b9a\u4e49\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u5c0610^6\u4ee5\u5185\u6240\u6709\u7b26\u5408\u6761\u4ef6\u7684\u6570\u5b57\u627e\u51fa\u6765\uff0c\u518d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[2,14],"class_list":["post-162","post","type-post","status-publish","format-standard","hentry","category-st","tag-gesp","tag-gesp5"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/162","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=162"}],"version-history":[{"count":3,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/162\/revisions"}],"predecessor-version":[{"id":647,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/162\/revisions\/647"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}