{"id":311,"date":"2013-01-20T23:45:00","date_gmt":"2013-01-20T15:45:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/216"},"modified":"2013-01-20T23:45:00","modified_gmt":"2013-01-20T15:45:00","slug":"cf_265b_a_simplified_version_of_street_trees","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=311","title":{"rendered":"CF 265B(\u884c\u9053\u6811\u7b80\u5316\u7248)"},"content":{"rendered":"
\n
\n
\n
\n
\n
B. Roadside Trees (Simplified Edition)<\/div>\n
\n
\ntime limit per test<\/div>\n

2 seconds<\/p><\/div>\n

\n
\nmemory limit per test<\/div>\n

256 megabytes<\/p><\/div>\n

\n
\ninput<\/div>\n

standard input<\/p><\/div>\n

\n
\noutput<\/div>\n

standard output<\/p><\/div>\n<\/div>\n

\n

\n \u4ece\u897f\u5411\u4e1c\u6709 n<\/em><\/span> \u68f5\u6811\uff0c\u7f16\u53f7 1<\/span> \u5230 n<\/em><\/span> \uff0c\u6811\u9876\u6709nuts.\u7b2c i<\/em><\/span> \u68f5\u6811\u9ad8 h<\/em>i<\/em><\/sub><\/span>.
\n Liss \u60f3\u5403\u6240\u6709\u7684 nuts.<\/p>\n

\nLiss \u5728\u7b2c1\u68f5\u6811\u7684\u9ad8\u5ea6\u4e3a1<\/span>\u7684\u5730\u65b9. Liss \u505a\u4e0b\u5217\u4efb\u610f\u4e00\u4ef6\u4e8b\u60c5\u8017\u65f61s:<\/p>\n

\n

    \n
  • \n\u5411\u6811\u7684\u4e0a\u65b9\u6216\u4e0b\u65b9\u79fb\u52a81格.<\/li>\n
  • \n\u5403\u6811\u9876\u7684 nut .<\/li>\n
  • \n\u5411\u4e1c\u8fb9\u90a3\u68f5\u6811\u8df3(\u4e0d\u80fd\u5411\u897f\u8df3),\u9ad8\u5ea6\u4e0d\u53d8\uff0c\u6ce8\u610fLiss\u4e0d\u80fd\u4ece\u9ad8\u7684\u5730\u65b9\u5f80\u4f4e\u8df3\u3002<\/li>\n<\/ul>\n

    \n

    \n\u7b97\u51faLiss\u5403\u6389\u6240\u6709nuts\u6700\u77ed\u65f6\u95f4.<\/p>\n<\/div>\n

    \n
    \nInput<\/div>\n

    \n\u7b2c\u4e00\u884c\u4e3a n<\/em><\/span> (1\u2009\u2009\u2264\u2009\u2009n<\/em>\u2009\u2264\u2009105<\/sup><\/span>)
    \n .<\/p>\n

    \n\u63a5\u4e0b\u6765n\u884c\u4e3a\u5e8f\u5217 h<\/em>i<\/em><\/sub><\/span> (1\u2009\u2264\u2009h<\/em>i<\/em><\/sub>\u2009\u2264\u2009104<\/sup><\/span>)
    \n .<\/p>\n<\/div>\n

    \n
    \nOutput<\/div>\n

    \n\u7b97\u51faLiss\u5403\u6389\u6240\u6709nuts\u6700\u77ed\u65f6\u95f4<\/span>.<\/p>\n<\/div>\n

    \n
    \nSample test(s)<\/div>\n
    \n
    \n
    \ninput<\/div>\n
    2\n1\n2\n<\/pre>\n<\/div>\n
    \n
    \noutput<\/div>\n
    5\n<\/pre>\n<\/div>\n
    \n
    \ninput<\/div>\n
    5\n2\n1\n2\n1\n1\n<\/pre>\n<\/div>\n
    \n
    \noutput<\/div>\n
    14<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \n<\/p>\n
    \u6ce8\u610f\u4e0d\u80fd\u5f80\u897f\u8df3\uff08\u4e00\u5f00\u59cb\u4ee5\u4e3a\u53ef\u4ee5\uff0c\u770b\u9898\u4ed4\u7ec6\u554a\uff01\uff09<\/span><\/p>\n

    \n<\/span><\/p>\n
    <\/span><\/p>\n
    #include<cstdio>\n#include<iostream>\n#include<cstdlib>\n#include<cstring>\n#include<cmath>\n#include<functional>\n#include<algorithm>\n#include<cctype>\nusing namespace std;\n#define MAXN (100000+10)\n#define MAXHi (10000+10)\nint n,h[MAXN];\nint main()\n{\n\tcin>>n;\n\tfor (int i=1;i<=n;i++) cin>>h[i];h[0]=1;\n\tint ans=0;\n\tfor (int i=1;i<=n;i++) ans+=abs(h[i]-h[i-1]);\n\/*\n\tint hmin=h[n];\n\tfor (int i=n-1;i>=1;i--)\n\t{\n\t\tans=min(ans,ans-abs(h[i]-h[i-1])-abs(h[i+1]-h[i])+abs(h[i-1]-h[i+1])+n-i+abs(hmin-h[i])+abs(hmin-h[n]));\n\t}\n*\/\n\tans+=2*n;\n\tcout<<ans<<endl;\n\treturn 0;\n}<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
    B. Roadside Trees (Simplified Edition) time limit per t […]<\/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":[99],"class_list":["post-311","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-simulation"],"yoast_head":"\nCF 265B(\u884c\u9053\u6811\u7b80\u5316\u7248) - 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=311\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CF 265B(\u884c\u9053\u6811\u7b80\u5316\u7248) - nike0good\" \/>\n<meta property=\"og:description\" content=\"B. 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