{"id":339,"date":"2026-03-28T13:39:25","date_gmt":"2026-03-28T05:39:25","guid":{"rendered":"https:\/\/www.ntblog.cn\/?p=339"},"modified":"2026-05-10T14:22:19","modified_gmt":"2026-05-10T06:22:19","slug":"data-analysis-programming","status":"publish","type":"post","link":"https:\/\/blog.nanoturtle.cn\/index.php\/2026\/03\/28\/data-analysis-programming\/","title":{"rendered":"\u6570\u636e\u5206\u6790\u7a0b\u5e8f\u8bbe\u8ba1"},"content":{"rendered":"<div class=\"eb-aurora-container\" data-status=\"\u6458\u8981\u751f\u6210\u4e2d\" data-finished=\"\u6458\u8981\u5df2\u751f\u6210\">\n\t\t\t\t<div class=\"eb-aurora-inner\">\n\t\t\t\t\t<img class=\"eb-aurora-bg\" src=\"https:\/\/blog.nanoturtle.cn\/wp-content\/plugins\/xhtheme-ai-toolbox\/assets\/images\/aurora-bg.svg\" alt=\"\" \/>\n\t\t\t\t\t<div class=\"eb-aurora-status\">\n\t\t\t\t\t\t<div class=\"eb-aurora-tag\">\n\t\t\t\t\t\t\t<div class=\"eb-aurora-pulse\"><\/div>\n\t\t\t\t\t\t\t<span class=\"eb-aurora-status-text\">\u6458\u8981\u751f\u6210\u4e2d<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"eb-aurora-disclaimer\">AI\u751f\u6210\uff0c\u4ec5\u4f9b\u53c2\u8003<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"eb-aurora-content\">\n\t\t\t\t\t\t<span class=\"eb-aurora-text\" data-text=\"\u9762\u5bf9\u521d\u4e2d\u6570\u5b66\u9898\u91cc\u90a3\u4e2a\u201c\u5206\u7ec4\u4f7f\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u201d\u7684\u730e\u5947\u96be\u9898\uff0c\u4f60\u662f\u5426\u8fd8\u5728\u82e6\u601d\u51a5\u60f3\u624b\u52a8\u8bd5\u9519\uff1f\u5f53\u5927\u591a\u6570\u4eba\u88ab\u7e41\u7410\u8ba1\u7b97\u529d\u9000\u65f6\uff0c\u6709\u4eba\u76f4\u63a5\u7528C++\u5199\u51fa\u4e86\u4e00\u4e2a\u66b4\u529b\u7834\u89e3\u7a0b\u5e8f\uff0c\u77ac\u95f4\u5c06\u6700\u4f18\u89e3\u4ece\u201c\u731c\u8c1c\u201d\u53d8\u6210\u201c\u79d2\u51fa\u201d\u3002\u4f46\u8fd9\u4ee3\u7801\u6700\u9707\u64bc\u7684\u4e0d\u662f\u5b83\u80fd\u7b97\u51fa\u7b54\u6848\uff0c\u800c\u662f\u5b83\u7528\u51e0\u884c\u903b\u8f91\u5f7b\u5e95\u98a0\u8986\u4e86\u4f60\u5bf9\u7edf\u8ba1\u5b66\u7684\u76f4\u89c9\u8ba4\u77e5\u2014\u2014\u4f60\u4ee5\u4e3a\u7684\u590d\u6742\u4f18\u5316\uff0c\u5176\u5b9e\u53ea\u662f\u6392\u5e8f\u540e\u7684\u7b80\u5355\u5206\u5272\u3002\u60f3\u77e5\u9053\u8fd9\u5957\u7b97\u6cd5\u5982\u4f55\u628a\u6559\u79d1\u4e66\u91cc\u7684\u6b7b\u9898\u76ee\u53d8\u6210\u52a8\u6001\u6f14\u793a\u5417\uff1f\"><\/span><span class=\"eb-aurora-cursor\"><\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n<p class=\"wp-block-paragraph\">\u8be5\u7a0b\u5e8f\u9002\u7528\u4e8e\u6570\u636e\u5206\u7ec4\uff0c\u5373\u5206\u51fa\u7ec4\u5185\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u76842\u7ec4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u611f\u8c22\u540c\u5b66\u5f00\u6e90\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-center\">\u80cc\u666f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u300a\u4e49\u52a1\u6559\u80b2\u6559\u79d1\u4e66 \u6570\u5b66 \u516b\u5e74\u7ea7\u4e0b\u518c\u300b\uff08\u6d59\u6c5f\u6559\u80b2\u51fa\u7248\u793e\uff09\u7684\u7b2c78\u9875\u51fa\u73b0\u4e86\u7279\u522b\u730e\u5947\u7684\u9898\u76ee\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"346\" src=\"https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/2026%E5%B9%B403%E6%9C%8828%E6%97%A5-%E6%98%9F%E6%9C%9F%E5%85%AD-13%E6%97%B657%E5%88%8651%E7%A7%92-1-745x1024.png\" alt=\"\" class=\"wp-image-346\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"345\" src=\"https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/2026%E5%B9%B403%E6%9C%8828%E6%97%A5-%E6%98%9F%E6%9C%9F%E5%85%AD-13%E6%97%B657%E5%88%8646%E7%A7%92-2-745x1024.png\" alt=\"\" class=\"wp-image-345\"\/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To solve the problem,\u795e\u4eba\u540c\u5b66\u4f7f\u7528\u4e86\u5341\u5206\u725b\u903c\uff0c\u725b\u903c\u4e0a\u5929\u7684C++\u7f16\u5199\u4e86\u4e00\u4e2a\u7b26\u5408\u6559\u79d1\u4e66\u4e2d\u8981\u6c42\u7684\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-center\">\u7a0b\u5e8f\u8bbe\u8ba1<\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n\u7528\u4e8e\u8ba1\u7b97\u5982\u4e0b\u95ee\u9898\uff1a\n\u7ed9\u5b9a\u4e00\u7ec4\u6570\u636ex1,x2,...,xn\n\u628a\u8fd9\u7ec4\u6570\u636e\u5206\u6210\u4e24\u7ec4\uff0c\u4f7f\u7ec4\u5185\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u3002 \n\u5148\u8f93\u5165n\uff0c\u518d\u8f93\u5165n\u4e2a\u6570\uff0c\u5c31\u53ef\u627e\u51fa\u6700\u4f18\u5206\u7ec4\u65b9\u6848\u548c\u5bf9\u5e94\u7684\u7ec4\u5185\u79bb\u5dee\u5e73\u65b9\u548c \n*\/\n#include&lt;bits\/stdc++.h>\nusing namespace std;\n\n#define N 109\nint n;\ndouble a&#91;N],sum&#91;N];\n\nint main()\n{\n\tscanf(\"%d\",&amp;n);\n\tsum&#91;0] = 0;\n\tfor(int i=1;i&lt;=n;i++)\n\t{\n\t\tscanf(\"%lf\",&amp;a&#91;i]);\n\t}\n\tsort(a+1,a+n+1);\n\tfor(int i=1;i&lt;=n;i++)\n\t\tsum&#91;i] = sum&#91;i-1] + a&#91;i];\n\tdouble x=1.0*sum&#91;n]\/n;\n\tdouble d=0;\n\tfor(int i=1;i&lt;=n;i++)\n\t{\n\t\td += 1.0*(a&#91;i]-x)*(a&#91;i]-x);\n\t}\n\tprintf(\"x=%.2lf D^2=%.2lf\\n\",x,d);\n\t\/\/ \u628a\u524di\u4e2a\u5206\u6210\u4e00\u7ec4\uff0c\u5269\u4f59\u7684\u5206\u6210\u53e6\u4e00\u7ec4 \n\tdouble mn=1145141919810,ans;\n\tfor(int i=1;i&lt;=n-1;i++)\n\t{\n\t\tdouble x1=1.0*sum&#91;i]\/i,x2=1.0*(sum&#91;n]-sum&#91;i])\/(n-i);\n\t\tdouble d12=d-1.0*i*(x1-x)*(x1-x)-1.0*(n-i)*(x2-x)*(x2-x);\n\t\tif(d12&lt;mn)\n\t\t{\n\t\t\tmn=d12;\n\t\t\tans = i;\n\t\t}\n\t\tfor(int j=1;j&lt;=i;j++)\n\t\t{\n\t\t\tif(j&lt;i) printf(\"%.2lf \",a&#91;j]);\n\t\t\telse printf(\"%.2lf\",a&#91;j]);\n\t\t}\n\t\tprintf(\"|\");\n\t\tfor(int j=i+1;j&lt;=n;j++)\n\t\t{\n\t\t\tprintf(\"%.2lf \",a&#91;j]);\n\t\t}\n\t\tprintf(\" %.2lf\\n\",d12);\n\t}\n\tprintf(\"\\n\u6700\u4f18\u5206\u7ec4\u65b9\u6848\uff1a\\n\"); \n\tfor(int i=1;i&lt;=ans;i++)\n\t{\n\t\tif(i&lt;ans) printf(\"%.2lf \",a&#91;i]);\n\t\telse printf(\"%.2lf\",a&#91;i]);\n\t}\n\tprintf(\"|\");\n\tfor(int i=ans+1;i&lt;=n;i++)\n\t{\n\t\tprintf(\"%.2lf \",a&#91;i]);\n\t}\n\tprintf(\" %.2lf\\n\",mn);\n\treturn 0;\n}<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-center\">\u6548\u679c\u5c55\u793a<\/h1>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"379\" src=\"https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png\" alt=\"\" class=\"wp-image-349\" srcset=\"https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1-300x226.png 300w, https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png 502w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5bf9\u521d\u4e2d\u6570\u5b66\u9898\u91cc\u90a3\u4e2a\u201c\u5206\u7ec4\u4f7f\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u201d\u7684\u730e\u5947\u96be\u9898\uff0c\u4f60\u662f\u5426\u8fd8\u5728\u82e6\u601d\u51a5\u60f3\u624b\u52a8\u8bd5\u9519\uff1f\u5f53\u5927\u591a\u6570\u4eba\u88ab\u7e41\u7410\u8ba1\u7b97\u529d\u9000\u65f6\uff0c\u6709\u4eba\u76f4\u63a5\u7528C++\u5199\u51fa\u4e86\u4e00\u4e2a\u66b4\u529b\u7834\u89e3\u7a0b\u5e8f\uff0c\u77ac\u95f4\u5c06\u6700\u4f18\u89e3\u4ece\u201c\u731c\u8c1c\u201d\u53d8\u6210\u201c\u79d2\u51fa\u201d\u3002\u4f46\u8fd9\u4ee3\u7801\u6700\u9707\u64bc\u7684\u4e0d\u662f\u5b83\u80fd\u7b97\u51fa\u7b54\u6848\uff0c\u800c\u662f\u5b83\u7528\u51e0\u884c\u903b\u8f91\u5f7b\u5e95\u98a0\u8986\u4e86\u4f60\u5bf9\u7edf\u8ba1\u5b66\u7684\u76f4\u89c9\u8ba4\u77e5\u2014\u2014\u4f60\u4ee5\u4e3a\u7684\u590d\u6742\u4f18\u5316\uff0c\u5176\u5b9e\u53ea\u662f\u6392\u5e8f\u540e\u7684\u7b80\u5355\u5206\u5272\u3002\u60f3\u77e5\u9053\u8fd9\u5957\u7b97\u6cd5\u5982\u4f55\u628a\u6559\u79d1\u4e66\u91cc\u7684\u6b7b\u9898\u76ee\u53d8\u6210\u52a8\u6001\u6f14\u793a\u5417\uff1f<\/p>\n","protected":false},"author":1,"featured_media":349,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_excerptai":2,"_xhaitool_aitasks":false,"_xhaitool_aitasks_status":true,"_aiimage_cueword":"","_aiimage_status":0,"_xhai_excerpt":"\u9762\u5bf9\u521d\u4e2d\u6570\u5b66\u9898\u91cc\u90a3\u4e2a\u201c\u5206\u7ec4\u4f7f\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u201d\u7684\u730e\u5947\u96be\u9898\uff0c\u4f60\u662f\u5426\u8fd8\u5728\u82e6\u601d\u51a5\u60f3\u624b\u52a8\u8bd5\u9519\uff1f\u5f53\u5927\u591a\u6570\u4eba\u88ab\u7e41\u7410\u8ba1\u7b97\u529d\u9000\u65f6\uff0c\u6709\u4eba\u76f4\u63a5\u7528C++\u5199\u51fa\u4e86\u4e00\u4e2a\u66b4\u529b\u7834\u89e3\u7a0b\u5e8f\uff0c\u77ac\u95f4\u5c06\u6700\u4f18\u89e3\u4ece\u201c\u731c\u8c1c\u201d\u53d8\u6210\u201c\u79d2\u51fa\u201d\u3002\u4f46\u8fd9\u4ee3\u7801\u6700\u9707\u64bc\u7684\u4e0d\u662f\u5b83\u80fd\u7b97\u51fa\u7b54\u6848\uff0c\u800c\u662f\u5b83\u7528\u51e0\u884c\u903b\u8f91\u5f7b\u5e95\u98a0\u8986\u4e86\u4f60\u5bf9\u7edf\u8ba1\u5b66\u7684\u76f4\u89c9\u8ba4\u77e5\u2014\u2014\u4f60\u4ee5\u4e3a\u7684\u590d\u6742\u4f18\u5316\uff0c\u5176\u5b9e\u53ea\u662f\u6392\u5e8f\u540e\u7684\u7b80\u5355\u5206\u5272\u3002\u60f3\u77e5\u9053\u8fd9\u5957\u7b97\u6cd5\u5982\u4f55\u628a\u6559\u79d1\u4e66\u91cc\u7684\u6b7b\u9898\u76ee\u53d8\u6210\u52a8\u6001\u6f14\u793a\u5417\uff1f","footnotes":""},"categories":[22],"tags":[15,6],"class_list":["post-339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-22","tag-c-2","tag-6"],"uagb_featured_image_src":{"full":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png",502,379,false],"thumbnail":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1-150x150.png",150,150,true],"medium":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1-300x226.png",300,226,true],"medium_large":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png",502,379,false],"large":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png",502,379,false],"1536x1536":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png",502,379,false],"2048x2048":["https:\/\/cn-sy1.rains3.com\/ntblog\/2026\/03\/E2B19F3486AFD1F83AC64C57DAD347D1.png",502,379,false]},"uagb_author_info":{"display_name":"NanoTurtle","author_link":"https:\/\/blog.nanoturtle.cn\/author\/nanoturtle\/"},"uagb_comment_info":22,"uagb_excerpt":"\u9762\u5bf9\u521d\u4e2d\u6570\u5b66\u9898\u91cc\u90a3\u4e2a\u201c\u5206\u7ec4\u4f7f\u79bb\u5dee\u5e73\u65b9\u548c\u6700\u5c0f\u201d\u7684\u730e\u5947\u96be\u9898\uff0c\u4f60\u662f\u5426\u8fd8\u5728\u82e6\u601d\u51a5\u60f3\u624b\u52a8\u8bd5\u9519\uff1f\u5f53\u5927\u591a\u6570\u4eba\u88ab\u7e41\u7410\u8ba1\u7b97\u529d\u9000\u65f6&hellip;","_links":{"self":[{"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/posts\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/comments?post=339"}],"version-history":[{"count":5,"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/posts\/339\/revisions"}],"predecessor-version":[{"id":352,"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/posts\/339\/revisions\/352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.nanoturtle.cn\/index.php\/wp-json\/wp\/v2\/media\/349"}],"wp:attachm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