{"id":162,"date":"2012-08-27T11:41:00","date_gmt":"2012-08-27T03:41:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/62"},"modified":"2012-08-27T11:41:00","modified_gmt":"2012-08-27T03:41:00","slug":"hysbz_1048_memory_search","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=162","title":{"rendered":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09"},"content":{"rendered":"<p>\u628a\u4e00\u4e2a\u5927\u77e9\u9635\u5206\u5272\u6210n\u4e2a\u77e9\u9635\uff0c\u4f7f\u5b83\u4eec\u7684\u65b9\u5dee\u6700\u5c0f\u3002<\/p>\n<p>g[i,j,k,l,path]\u8868\u793a\uff08i,j\uff09 \u5230 \uff08k,l) \u7684\u77e9\u9635\u5206\u5272\u6210path\u4e2a\u7684\u6700\u5c0f\u65b9\u5dee\uff0c\u7136\u540e\u66b4\u529b\u641c\u7d22&#43;\u8bb0\u5fc6\u5316<\/p>\n<p>O\uff08n^5) (n&lt;=10) ,\u65e0\u538b\u529b\u6c34\u8fc7\u3002<\/p>\n<p><pre name=\"code\" class=\"delphi\">Program b;\nconst\n   maxn=10;\nvar\n   n,m,i,j,k,l,deltax,r:longint;\n   delta:double;\n   f:array[1..maxn,1..maxn] of longint;\n   sum:array[1..maxn,1..maxn,1..maxn,1..maxn] of double;\n   g:array[1..maxn,1..maxn,1..maxn,1..maxn,1..maxn] of double;\nfunction min(a,b:double):double;\nbegin\n   if a&lt;b then exit(a) else exit(b);\nend;\nfunction dfs(x,y,k,l,path:longint):double;\nvar\n   i,j:longint;\n   ans:double;\nbegin\n   if g[x,y,k,l,path]&lt;&gt;0 then exit(g[x,y,k,l,path]);\n\n   if path=1 then\n   begin\n      g[x,y,k,l,1]:=sum[x,y,k,l]-delta;\n      g[x,y,k,l,1]:=g[x,y,k,l,1]*g[x,y,k,l,1];\n\n      exit(g[x,y,k,l,1]);\n   end;\n   ans:=maxlongint;\n\n\n\n\n   for i:=x to k-1 do\n      for j:=1 to path-1 do\n         ans:=min(ans,dfs(x,y,i,l,j)+dfs(i+1,y,k,l,path-j));\n   for j:=y to l-1 do\n      for i:=1 to path-1 do\n         ans:=min(ans,dfs(x,y,k,j,i)+dfs(x,j+1,k,l,path-i));\n\n\n   g[x,y,k,l,path]:=ans;\n   exit(ans);\n\nend;\nbegin\n   read(n,m,r);\n   deltax:=0;\n   for i:=1 to n do\n      for j:=1 to m do\n      begin\n         read(f[i,j]);\n         sum[i,j,i,j]:=f[i,j];\n         inc(deltax,f[i,j]);\n\n      end;\n\n\n\n   delta:=deltax\/r;\n   for i:=1 to n do\n      for j:=1 to m do\n      begin\n         for k:=i+1 to n do\n         begin\n            sum[i,j,k,j]:=sum[i,j,k-1,j]+f[k,j];\n         end;\n         for l:=j+1 to m do\n         begin\n            sum[i,j,i,l]:=sum[i,j,i,l-1]+f[i,l];\n         end;\n\n         for k:=i+1 to n do\n            for l:=j+1 to n do\n            begin\n               sum[i,j,k,l]:=sum[i,j,k-1,l]+sum[i,j,k,l-1]-sum[i,j,k-1,l-1]+f[k,l];\n           end;\n      end;\n   fillchar(g,sizeof(g),0);\n\n\n\n\n\n   writeln(sqrt(dfs(1,1,n,m,r)\/r):2:2);\n\n\nend.\n<\/pre>\n<\/p>\n<p>\n<\/p>\n<p>\n<\/p>\n<p>\n<\/p>\n<p>\u00b7<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u628a\u4e00\u4e2a\u5927\u77e9\u9635\u5206\u5272\u6210n\u4e2a\u77e9\u9635\uff0c\u4f7f\u5b83\u4eec\u7684\u65b9\u5dee\u6700\u5c0f\u3002 g[i,j,k,l,path]\u8868\u793a\uff08i,j\uff09 \u5230 \uff08k,l)  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[80],"class_list":["post-162","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-search"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nike0good.com\/?p=162\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good\" \/>\n<meta property=\"og:description\" content=\"\u628a\u4e00\u4e2a\u5927\u77e9\u9635\u5206\u5272\u6210n\u4e2a\u77e9\u9635\uff0c\u4f7f\u5b83\u4eec\u7684\u65b9\u5dee\u6700\u5c0f\u3002 g[i,j,k,l,path]\u8868\u793a\uff08i,j\uff09 \u5230 \uff08k,l) [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nike0good.com\/?p=162\" \/>\n<meta property=\"og:site_name\" content=\"nike0good\" \/>\n<meta property=\"article:published_time\" content=\"2012-08-27T03:41:00+00:00\" \/>\n<meta name=\"author\" content=\"nike0good\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"nike0good\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162\"},\"author\":{\"name\":\"nike0good\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/#\\\/schema\\\/person\\\/4defa38da89de87e400861e73396baad\"},\"headline\":\"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09\",\"datePublished\":\"2012-08-27T03:41:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162\"},\"wordCount\":17,\"commentCount\":0,\"keywords\":[\"\u641c\u7d22\"],\"articleSection\":[\"DefaultCategory\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/nike0good.com\\\/?p=162#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162\",\"url\":\"https:\\\/\\\/nike0good.com\\\/?p=162\",\"name\":\"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/#website\"},\"datePublished\":\"2012-08-27T03:41:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/#\\\/schema\\\/person\\\/4defa38da89de87e400861e73396baad\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/nike0good.com\\\/?p=162\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=162#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/nike0good.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/#website\",\"url\":\"https:\\\/\\\/nike0good.com\\\/\",\"name\":\"nike0good\",\"description\":\"\u6709\u6240\u4f5c\u4e3a\u662f\u4eba\u751f\u7684\u6700\u9ad8\u5883\u754c\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/nike0good.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/#\\\/schema\\\/person\\\/4defa38da89de87e400861e73396baad\",\"name\":\"nike0good\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g\",\"caption\":\"nike0good\"},\"sameAs\":[\"https:\\\/\\\/nike0good.com\"],\"url\":\"https:\\\/\\\/nike0good.com\\\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nike0good.com\/?p=162","og_locale":"zh_CN","og_type":"article","og_title":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good","og_description":"\u628a\u4e00\u4e2a\u5927\u77e9\u9635\u5206\u5272\u6210n\u4e2a\u77e9\u9635\uff0c\u4f7f\u5b83\u4eec\u7684\u65b9\u5dee\u6700\u5c0f\u3002 g[i,j,k,l,path]\u8868\u793a\uff08i,j\uff09 \u5230 \uff08k,l) [&hellip;]","og_url":"https:\/\/nike0good.com\/?p=162","og_site_name":"nike0good","article_published_time":"2012-08-27T03:41:00+00:00","author":"nike0good","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"nike0good","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/nike0good.com\/?p=162#article","isPartOf":{"@id":"https:\/\/nike0good.com\/?p=162"},"author":{"name":"nike0good","@id":"https:\/\/nike0good.com\/#\/schema\/person\/4defa38da89de87e400861e73396baad"},"headline":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09","datePublished":"2012-08-27T03:41:00+00:00","mainEntityOfPage":{"@id":"https:\/\/nike0good.com\/?p=162"},"wordCount":17,"commentCount":0,"keywords":["\u641c\u7d22"],"articleSection":["DefaultCategory"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/nike0good.com\/?p=162#respond"]}]},{"@type":"WebPage","@id":"https:\/\/nike0good.com\/?p=162","url":"https:\/\/nike0good.com\/?p=162","name":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09 - nike0good","isPartOf":{"@id":"https:\/\/nike0good.com\/#website"},"datePublished":"2012-08-27T03:41:00+00:00","author":{"@id":"https:\/\/nike0good.com\/#\/schema\/person\/4defa38da89de87e400861e73396baad"},"breadcrumb":{"@id":"https:\/\/nike0good.com\/?p=162#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nike0good.com\/?p=162"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/nike0good.com\/?p=162#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nike0good.com\/"},{"@type":"ListItem","position":2,"name":"HYSBZ 1048(\u8bb0\u5fc6\u5316\u641c\u7d22\uff09"}]},{"@type":"WebSite","@id":"https:\/\/nike0good.com\/#website","url":"https:\/\/nike0good.com\/","name":"nike0good","description":"\u6709\u6240\u4f5c\u4e3a\u662f\u4eba\u751f\u7684\u6700\u9ad8\u5883\u754c","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/nike0good.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/nike0good.com\/#\/schema\/person\/4defa38da89de87e400861e73396baad","name":"nike0good","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/secure.gravatar.com\/avatar\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e5fa08d5c367a1a6fb5ff13bb10ed5a331f981513256951290ae42322da6854?s=96&d=identicon&r=g","caption":"nike0good"},"sameAs":["https:\/\/nike0good.com"],"url":"https:\/\/nike0good.com\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/nike0good.com\/index.php?rest_route=\/wp\/v2\/posts\/162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nike0good.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nike0good.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nike0good.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nike0good.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=162"}],"version-history":[{"count":0,"href":"https:\/\/nike0good.com\/index.php?rest_route=\/wp\/v2\/posts\/162\/revisions"}],"wp:attachment":[{"href":"https:\/\/nike0good.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nike0good.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nike0good.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}