{"id":487,"date":"2025-10-25T16:39:35","date_gmt":"2025-10-25T16:39:35","guid":{"rendered":"http:\/\/west.wangyuansheng.cn\/?p=487"},"modified":"2025-10-25T16:40:04","modified_gmt":"2025-10-25T16:40:04","slug":"%e5%86%b7%e9%a5%ae%e7%9a%84%e4%bb%b7%e6%a0%bc%ef%bc%882%ef%bc%89","status":"publish","type":"post","link":"http:\/\/west.wangyuansheng.cn\/?p=487","title":{"rendered":"\u51b7\u996e\u7684\u4ef7\u683c\uff082\uff09"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"957\" height=\"783\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A.png\" alt=\"\" class=\"wp-image-488\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A.png 957w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A-300x245.png 300w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A-768x628.png 768w\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u89e3\u9898\u6d41\u7a0b\u56fe\u3011<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"712\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A\u6d41\u7a0b\u56fe-1.png\" alt=\"\" class=\"wp-image-490\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A\u6d41\u7a0b\u56fe-1.png 710w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A\u6d41\u7a0b\u56fe-1-300x300.png 300w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/10\/A\u6d41\u7a0b\u56fe-1-150x150.png 150w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u5206\u6790\u95ee\u9898\u3011<br>\u95ee\u9898\u8981\u6c42\u6839\u636e\u5c0f\u660e\u8d2d\u4e70\u51b0\u68cd\u7684\u6570\u91cf\u8ba1\u7b97\u603b\u4ef7\uff0c\u5355\u4ef7\u6839\u636e\u6570\u91cf\u533a\u95f4\u786e\u5b9a\uff1a30\u4e2a\u53ca\u4ee5\u4e0a\u4e3a1.0\u5143\/\u4e2a\uff0c20-29\u4e2a\u4e3a1.2\u5143\/\u4e2a\uff0c10-19\u4e2a\u4e3a1.5\u5143\/\u4e2a\uff0c10\u4e2a\u4ee5\u4e0b\u4e3a1.8\u5143\/\u4e2a\u3002\u8f93\u5165\u662f\u6574\u6570n\uff0c\u8f93\u51fa\u662f\u603b\u4ef7\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\u3002\u9700\u8981\u5904\u7406\u8fb9\u754c\u60c5\u51b5\uff0c\u5982n=0\u65f6\u603b\u4ef7\u4e3a0.0\uff0c\u5e76\u786e\u4fdd\u533a\u95f4\u7aef\u70b9\u88ab\u6b63\u786e\u8986\u76d6\uff08\u4f8b\u598220\u548c29\u5747\u5c5e\u4e8e1.2\u5143\u533a\u95f4\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u5efa\u7acb\u6a21\u578b\uff08\u4f2a\u4ee3\u7801\uff09\u3011<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bfb\u53d6\u6574\u6570n\n\u5982\u679c n &gt;= 30:\n    \u5355\u4ef7 = 1.0\n\u5426\u5219\u5982\u679c n &gt;= 20:\n    \u5355\u4ef7 = 1.2\n\u5426\u5219\u5982\u679c n &gt;= 10:\n    \u5355\u4ef7 = 1.5\n\u5426\u5219:\n    \u5355\u4ef7 = 1.8\n\u603b\u4ef7 = n * \u5355\u4ef7\n\u8f93\u51fa\u603b\u4ef7\uff0c\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u7f16\u5199\u4ee3\u7801\u3011<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream&gt;\n#include &lt;iomanip&gt;\nusing namespace std;\n\nint main() {\n    int n;\n    cin &gt;&gt; n;\n    double price;\n\n    if (n &gt;= 30) {\n        price = 1.0;\n    } else if (n &gt;= 20) {\n        price = 1.2;\n    } else if (n &gt;= 10) {\n        price = 1.5;\n    } else {\n        price = 1.8;\n    }\n\n    double total = n * price;\n    cout &lt;&lt; fixed &lt;&lt; setprecision(1) &lt;&lt; total &lt;&lt; endl;\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u4fdd\u5b58\u7f16\u8bd1\u8fd0\u884c\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u89e3\u9898\u6d41\u7a0b\u56fe\u3011 \u3010\u5206\u6790\u95ee\u9898\u3011\u95ee\u9898\u8981\u6c42\u6839\u636e\u5c0f\u660e\u8d2d\u4e70\u51b0\u68cd\u7684\u6570\u91cf\u8ba1\u7b97\u603b\u4ef7\uff0c\u5355\u4ef7\u6839\u636e\u6570\u91cf\u533a\u95f4\u786e\u5b9a\uff1a30\u4e2a\u53ca\u4ee5\u4e0a\u4e3a1.0\u5143\/\u4e2a\uff0c20-29\u4e2a\u4e3a1.2\u5143\/\u4e2a\uff0c10-19\u4e2a\u4e3a1.5\u5143\/\u4e2a\uff0c10\u4e2a\u4ee5\u4e0b\u4e3a1.8\u5143\/\u4e2a\u3002\u8f93\u5165\u662f\u6574\u6570n\uff0c\u8f93\u51fa\u662f\u603b\u4ef7\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\u3002\u9700\u8981\u5904\u7406\u8fb9\u754c\u60c5\u51b5\uff0c\u5982n=0\u65f6\u603b\u4ef7\u4e3a0.0\uff0c\u5e76\u786e\u4fdd\u533a\u95f4\u7aef\u70b9\u88ab\u6b63\u786e\u8986\u76d6\uff08\u4f8b\u598220\u548c29\u5747\u5c5e\u4e8e1.2\u5143\u533a\u95f4\uff09\u3002 \u3010\u5efa\u7acb\u6a21\u578b\uff08\u4f2a\u4ee3\u7801\uff09\u3011&#8230; <a class=\"read-more\" href=\"http:\/\/west.wangyuansheng.cn\/?p=487\">\u9605\u8bfb\u66f4\u591a&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-487","post","type-post","status-publish","format-standard","hentry","category-problem"],"_links":{"self":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=487"}],"version-history":[{"count":2,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/487\/revisions"}],"predecessor-version":[{"id":492,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/487\/revisions\/492"}],"wp:attachment":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=487"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}