{"id":4844,"date":"2020-02-29T11:54:36","date_gmt":"2020-02-29T03:54:36","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=4844"},"modified":"2020-02-29T11:54:36","modified_gmt":"2020-02-29T03:54:36","slug":"%e6%bc%ab%e7%94%bb%e7%ae%97%e6%b3%95%ef%bc%9a%e9%aa%9a%e6%93%8d%e4%bd%9c%e7%b3%bb%e5%88%97%ef%bc%88%e7%81%af%e6%b3%a1%e5%bc%80%e5%85%b3%e7%9a%84%e7%bb%8f%e5%85%b8%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4844","title":{"rendered":"\u6f2b\u753b\u7b97\u6cd5\uff1a\u9a9a\u64cd\u4f5c\u7cfb\u5217\uff08\u706f\u6ce1\u5f00\u5173\u7684\u7ecf\u5178\u9762\u8bd5\u9898\uff09"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4eca\u5929\u4e3a\u5927\u5bb6\u5206\u4eab\u4e00\u9053\u5173\u4e8e\u201c\u7535\u706f\u6ce1\u201d\u7684\u9898\u76ee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bdd\u4e0d\u591a\u8bf4\uff0c\u76f4\u63a5\u770b\u9898\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u521d\u59cb\u65f6\u6709 n \u4e2a\u706f\u6ce1\u5173\u95ed\u3002\u7b2c 1 \u8f6e\uff0c\u4f60\u6253\u5f00\u6240\u6709\u7684\u706f\u6ce1\u3002\u7b2c 2 \u8f6e\uff0c\u6bcf\u4e24\u4e2a\u706f\u6ce1\u5173\u95ed\u4e00\u6b21\u3002\u7b2c 3 \u8f6e\uff0c\u6bcf\u4e09\u4e2a\u706f\u6ce1\u5207\u6362\u4e00\u6b21\u5f00\u5173\uff08\u5982\u679c\u5173\u95ed\u5219\u5f00\u542f\uff0c\u5982\u679c\u5f00\u542f\u5219\u5173\u95ed\uff09\u3002\u7b2c i \u8f6e\uff0c\u6bcf i \u4e2a\u706f\u6ce1\u5207\u6362\u4e00\u6b21\u5f00\u5173\u3002\u5bf9\u4e8e\u7b2c n \u8f6e\uff0c\u4f60\u53ea\u5207\u6362\u6700\u540e\u4e00\u4e2a\u706f\u6ce1\u7684\u5f00\u5173\u3002\u627e\u51fa n \u8f6e\u540e\u6709\u591a\u5c11\u4e2a\u4eae\u7740\u7684\u706f\u6ce1\u3002<\/p><cite>www.xttblog.com<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u5165: 3<br>\u8f93\u51fa: 1 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u91ca: <br>\u521d\u59cb\u65f6, \u706f\u6ce1\u72b6\u6001 [\u5173\u95ed, \u5173\u95ed, \u5173\u95ed].<br>\u7b2c\u4e00\u8f6e\u540e, \u706f\u6ce1\u72b6\u6001 [\u5f00\u542f, \u5f00\u542f, \u5f00\u542f].<br>\u7b2c\u4e8c\u8f6e\u540e, \u706f\u6ce1\u72b6\u6001 [\u5f00\u542f, \u5173\u95ed, \u5f00\u542f].<br>\u7b2c\u4e09\u8f6e\u540e, \u706f\u6ce1\u72b6\u6001 [\u5f00\u542f, \u5173\u95ed, \u5173\u95ed]. <br>\u4f60\u5e94\u8be5\u8fd4\u56de 1\uff0c\u56e0\u4e3a\u53ea\u6709\u4e00\u4e2a\u706f\u6ce1\u8fd8\u4eae\u7740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u9053\u96be\u5ea6\u8bc4\u5b9a\u4e3a\u56f0\u96be\u7684\u9898\u76ee\u3002\u4f46\u662f\uff0c\u5176\u5b9e\u8fd9\u5e76\u4e0d\u662f\u4e00\u9053\u7b97\u6cd5\u9898\uff0c\u800c\u662f\u4e00\u4e2a\u8111\u7b4b\u6025\u8f6c\u5f2f\u3002\u53ea\u8981\u6211\u4eec\u6a21\u62df\u4e00\u4e0b\u5f00\u5173\u706f\u6ce1\u7684\u8fc7\u7a0b\uff0c\u5927\u5bb6\u5c31\u4f1a\u77ac\u95f4get\uff0c\u4e00\u8d77\u6765\u5206\u6790\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u6a21\u62df\u4e00\u4e0bn\u4ece1\u523012\u7684\u8fc7\u7a0b\u3002\u5728\u7b2c\u4e00\u8f6e\uff0c\u4f60\u6253\u5f00\u4e8612\u4e2a\u706f\u6ce1\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dp0.jpg\" alt=\"\" \/><figcaption>\u706f\u6ce1\u5f00\u5173\u9762\u8bd5\u9898<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u5bf9\u4e8e\u5927\u4e8en\u7684\u706f\u6ce1\u4f60\u662f\u4e0dcare\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u7528\u9ed1\u6846\u6846\u8868\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dp1.jpg\" alt=\"\" \/><figcaption>\u706f\u6ce1\u9762\u8bd5\u9898\u89e3\u6cd5<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u6211\u4eec\u5217\u51fan\u4ece1-12\u7684\u8fc7\u7a0b\u4e2d\u6240\u6709\u7684\u706f\u6ce1\u793a\u610f\u56fe\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dp2.jpg\" alt=\"\" \/><figcaption>\u706f\u6ce1\u9762\u8bd5\u9898\u89e3\u6cd5<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u5f97\u5230\u5982\u4e0b\u8868\u683c\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dp3.jpg\" alt=\"\" \/><figcaption>\u679a\u4e3e\u706f\u6ce1\u9762\u8bd5\u9898\u7b54\u6848<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c2\u5bdf\u4e00\u4e0b\uff0c\u8fd9\u662f\u4ec0\u4e48\uff1f\u89c2\u5bdf\u4e0d\u51fa\u6765\uff0c\u54b1\u4eec\u770b\u770b\u8fd9\u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/go\nfunc main() {\n    for n := 1; n &lt;= 12; n++ {\n        fmt.Println(\"n=\", n, \"\\t\u706f\u6ce1\u6570\\t\", math.Sqrt(float64(n)))\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u9762\u4ee3\u7801\u662f\u7528 go \u5b9e\u73b0\u7684\uff0c\u5927\u5bb6\u4e5f\u53ef\u4ee5\u4f7f\u7528 Java \u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/print\nn= 1     \u706f\u6ce1\u6570  1\nn= 2     \u706f\u6ce1\u6570  1.4142135623730951\nn= 3     \u706f\u6ce1\u6570  1.7320508075688772\nn= 4     \u706f\u6ce1\u6570  2\nn= 5     \u706f\u6ce1\u6570  2.23606797749979\nn= 6     \u706f\u6ce1\u6570  2.449489742783178\nn= 7     \u706f\u6ce1\u6570  2.6457513110645907\nn= 8     \u706f\u6ce1\u6570  2.8284271247461903\nn= 9     \u706f\u6ce1\u6570  3\nn= 10    \u706f\u6ce1\u6570  3.1622776601683795\nn= 11    \u706f\u6ce1\u6570  3.3166247903554\nn= 12    \u706f\u6ce1\u6570  3.4641016151377544<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u9519\uff0c\u53ea\u8981\u6211\u4eec\u5bf9n\u8fdb\u884c\u5f00\u65b9\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u6700\u7ec8\u7684\u706f\u6ce1\u6570\u3002\u6839\u636e\u5206\u6790\uff0c\u5f97\u51fa\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u7ed9\u4e00\u4e2ac++\u7248\u672c\u7684\nclass Solution {\npublic:\n    int bulbSwitch(int n) {\n        return sqrt(n);\n    }\n};<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/gitee.com\/xmtblog\/img\/raw\/master\/dp4.jpg\" alt=\"\" \/><figcaption>\u706f\u6ce1\u9762\u8bd5\u9898\u7b97\u6cd5\u8017\u65f6\u7edf\u8ba1<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u80fd\u6709\u4eba\u5bf9\u4e0a\u9762\u7684\u7ed3\u679c\u8868\u793a\u4e0d\u670d\uff0c\u6ca1\u6709\u8bc1\u660e\uff0c\u4f60\u8bf4\u6bdb\u7ebf\uff01\u8bc1\u660e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea6\u6570\uff0c\u53c8\u79f0\u56e0\u6570\u3002\u6574\u6570a\u9664\u4ee5\u6574\u6570b(b\u22600) \u9664\u5f97\u7684\u5546\u6b63\u597d\u662f\u6574\u6570\u800c\u6ca1\u6709\u4f59\u6570\uff0c\u6211\u4eec\u5c31\u8bf4a\u80fd\u88abb\u6574\u9664\uff0c\u6216b\u80fd\u6574\u9664a\u3002a\u79f0\u4e3ab\u7684\u500d\u6570\uff0cb\u79f0\u4e3aa\u7684\u7ea6\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u6211\u4eec\u89c2\u5bdf\u53ef\u4ee5\u53d1\u73b0\uff0c\u5982\u679c\u4e00\u4e2a\u706f\u6ce1\u6709\u5947\u6570\u4e2a\u7ea6\u6570\uff0c\u90a3\u4e48\u6700\u540e\u8fd9\u4e2a\u706f\u6ce1\u4e00\u5b9a\u4f1a\u4eae\u7740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ec0\u4e48\uff0c\u4f60\u95ee\u6211\u5947\u6570\u662f\u4ec0\u4e48\uff1f\u5947\u6570\uff08odd\uff09\u6307\u4e0d\u80fd\u88ab2\u6574\u9664\u7684\u6574\u6570 \uff0c\u6570\u5b66\u8868\u8fbe\u5f62\u5f0f\u4e3a\uff1a2k+1\uff0c \u5947\u6570\u53ef\u4ee5\u5206\u4e3a\u6b63\u5947\u6570\u548c\u8d1f\u5947\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u5176\u5b9e\u6211\u4eec\u662f\u6c42\uff0c\u4ece1-n\u6709\u591a\u5c11\u4e2a\u6570\u7684\u7ea6\u6570\u6709\u5947\u6570\u4e2a\u3002\u800c\u6709\u5947\u6570\u4e2a\u7ea6\u6570\u7684\u6570\u4e00\u5b9a\u662f\u5b8c\u5168\u5e73\u65b9\u6570\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u5bf9\u4e8e\u6570n\uff0c\u5982\u679cm\u662f\u5b83\u7684\u7ea6\u6570\uff0c\u5219n\/m\u4e5f\u662f\u5b83\u7684\u7ea6\u6570\uff0c\u82e5m\u2260n\/m\uff0c\u5219\u5b83\u7684\u7ea6\u6570\u662f\u4ee5m\u3001n\/m\u7684\u5f62\u5f0f\u6210\u5bf9\u51fa\u73b0\u7684\u3002\u800cm\uff1dn\/m\u6210\u7acb\u4e14n\/m\u662f\u6b63\u6574\u6570\u65f6\uff0cn\u662f\u5b8c\u5168\u5e73\u65b9\u6570,\u800c\u5b83\u6709\u5947\u6570\u4e2a\u7ea6\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u518d\u6b21\u8f6c\u5316\u95ee\u9898\uff0c\u6c421-n\u6709\u591a\u5c11\u4e2a\u6570\u662f\u5b8c\u5168\u5e73\u65b9\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ec0\u4e48\uff0c\u4f60\u53c8\u4e0d\u77e5\u9053\u4ec0\u4e48\u662f\u5b8c\u5168\u5e73\u65b9\u6570\u4e86\uff1f\u5b8c\u5168\u5e73\u65b9\u6307\u7528\u4e00\u4e2a\u6574\u6570\u4e58\u4ee5\u81ea\u5df1\u4f8b\u59821<em>1\uff0c2<\/em>2\uff0c3*3\u7b49\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002\u82e5\u4e00\u4e2a\u6570\u80fd\u8868\u793a\u6210\u67d0\u4e2a\u6574\u6570\u7684\u5e73\u65b9\u7684\u5f62\u5f0f\uff0c\u5219\u79f0\u8fd9\u4e2a\u6570\u4e3a\u5b8c\u5168\u5e73\u65b9\u6570\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u8fd9\u91cc\uff0c\u57fa\u672c\u5c31\u5f88\u660e\u6717\u4e86\u3002\u5269\u4e0b\u7684\uff0c\u6211\u60f3\u4e0d\u9700\u8981\u518d\u8bf4\u4e86\u5427\uff01<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source 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-->","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u4e3a\u5927\u5bb6\u5206\u4eab\u4e00\u9053\u5173\u4e8e\u201c\u7535\u706f\u6ce1\u201d\u7684\u9898\u76ee\u3002 \u8bdd\u4e0d\u591a\u8bf4\uff0c\u76f4\u63a5\u770b\u9898\u3002 \u521d\u59cb\u65f6\u6709 n \u4e2a\u706f\u6ce1\u5173\u95ed\u3002\u7b2c 1 \u8f6e\uff0c\u4f60\u6253\u5f00\u6240 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[871,685,172,75,410],"class_list":["post-4844","post","type-post","status-publish","format-standard","hentry","category-yyzt","tag-idea","tag-685","tag-172","tag-75","tag-410"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4844"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4844\/revisions"}],"predecessor-version":[{"id":4845,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4844\/revisions\/4845"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}