{"id":296,"date":"2012-12-08T22:51:00","date_gmt":"2012-12-08T14:51:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/201"},"modified":"2012-12-08T22:51:00","modified_gmt":"2012-12-08T14:51:00","slug":"cf_253c_looking_for_a_career_change","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=296","title":{"rendered":"CF 253C(\u627e\u4e2d\u8f6c\u884c)"},"content":{"rendered":"
\n
\n
\n
\n
\n
C. \u5149\u6807\u79fb\u52a8<\/div>\n
\n
\ntime limit per test<\/div>\n

1 second<\/p><\/div>\n

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

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

\n
\ninput<\/div>\n

input.txt<\/p><\/div>\n

\n
\noutput<\/div>\n

output.txt<\/p><\/div>\n<\/div>\n

\n

\n\n<\/p>\n

\n\u6587\u672c\u7f16\u8f91\u5668\u6709n\u884c\uff0c\u6bcf\u884ck\u4e2a\u5b57\u7b26\uff08\u663e\u7136\u5149\u6807\u6709k+1\u4e2a\u4f4d\u7f6e\uff0c\u6807\u8bb0\u4e3a1..k+1.<\/p>\n

\n\u67094\u4e2a\u64cd\u4f5c\uff1a<\/p>\n

  • \n"Up": \u5149\u6807\u5c06\u5411\u4e0a\u79fb1\u884c\uff0c\u5217\u4e0d\u53d8\u3002\u5982\u679c\u4e0a\u4e00\u884c\u5b57\u7b26\u592a\u5c11\uff0c\u5219\u5149\u6807\u8dd1\u5230\u884c\u672b\u3002<\/p>\n

    \n

    \n<\/li>\n

  • \n"Down":
    \n\u5149\u6807\u5c06\u5411\u4e0b\u79fb1\u884c\uff0c\u5217\u4e0d\u53d8\u3002\u5982\u679c\u4e0a\u4e00\u884c\u5b57\u7b26\u592a\u5c11\uff0c\u5219\u5149\u6807\u8dd1\u5230\u884c\u672b\u3002<\/span><\/p>\n

    \n

    \n<\/li>\n

  • \n"Right": \u5149\u6807\u5411\u53f3\u79fb1格\uff0c\u64cd\u4f5c\u4e0d\u80fd\u5728\u884c\u672b\u8fdb\u884c\u3002<\/p>\n

    \n

    \n<\/li>\n

  • \n"Left":
    \n\u5149\u6807\u5411\u5de6\u79fb1格\uff0c\u64cd\u4f5c\u4e0d\u80fd\u5728\u884c\u9996\u8fdb\u884c\u3002<\/span><\/p>\n

    \n

    \n\u6c42\u51fa\u628a\u5149\u6807\u4ece (r<\/em>1<\/sub>,\u2009c<\/em>1<\/sub>)<\/span> \u79fb\u5411(r<\/em>2<\/sub>,\u2009c<\/em>2<\/sub>)\u6700\u5c0f\u6b65\u6570<\/span><\/span>.<\/p>\n<\/li>\n<\/div>\n

    \n
    \nInput<\/div>\n

    \n\u7b2c\u4e00\u884c\u4e00\u4e2a\u6574\u6570 n<\/em><\/span> (1\u2009\u2264\u2009n<\/em>\u2009\u2264\u2009100<\/span>) . \u7b2c\u4e8c\u884c n<\/em><\/span>\u4e2a\u6574\u6570a<\/em>1<\/sub>,\u2009a<\/em>2<\/sub>,\u2009...,\u2009a<\/em>n<\/em><\/sub><\/span> (0\u2009\u2264\u2009a<\/em>i<\/em><\/sub>\u2009\u2264\u2009105<\/sup><\/span>),
    \n \u8868\u793a\u6bcf\u884c\u5b57\u7b26\u6570. \u7b2c\u4e09\u884c4\u4e2a\u6574\u6570 r<\/em>1<\/sub>,\u2009c<\/em>1<\/sub>,\u2009r<\/em>2<\/sub>,\u2009c<\/em>2<\/sub><\/span> (1\u2009\u2264\u2009r<\/em>1<\/sub>,\u2009r<\/em>2<\/sub>\u2009\u2264\u2009n<\/em>,\u20091\u2009\u2264\u2009c<\/em>1<\/sub>\u2009\u2264\u2009a<\/em>r<\/em><\/sub>1<\/sub>\u2009+\u20091,\u20091\u2009\u2264\u2009c<\/em>2<\/sub>\u2009\u2264\u2009a<\/em>r<\/em><\/sub>2<\/sub>\u2009+\u20091<\/span>).<\/p>\n<\/div>\n

    \n
    \nOutput<\/div>\n

    \n\u8f93\u51fa\u6700\u5c0f\u6b65\u6570<\/p>\n<\/div>\n

    \n
    \nSample test(s)<\/div>\n
    \n
    \n
    \ninput<\/div>\n
    4\n2 1 6 4\n3 4 4 2\n<\/pre>\n<\/div>\n
    \n
    \noutput<\/div>\n
    3\n<\/pre>\n<\/div>\n
    \n
    \ninput<\/div>\n
    4\n10 5 6 4\n1 11 4 2\n<\/pre>\n<\/div>\n
    \n
    \noutput<\/div>\n
    6\n<\/pre>\n<\/div>\n
    \n
    \ninput<\/div>\n
    3\n10 1 10\n1 10 1 1\n<\/pre>\n<\/div>\n
    \n
    \noutput<\/div>\n
    3\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n
    \n
    \nNote<\/div>\n
    \n\u7b2c\u4e00\u7ec4\u6570\u636e\u82e5\u4e3a<\/p>\n
    \n123<\/span><\/p>\n
    \n12<\/span><\/p>\n
    \n123s567<\/span><\/p>\n
    \n1t345<\/span><\/p>\n
    \n\u5219\u6700\u5c0f\u64cd\u4f5c\u4e3a "Left", "Down", "Left".<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \n<\/p>\n
    \u663e\u7136\u9664\u4e86\u76f4\u63a5\u79fb(\u5148\u884c\u540e\u5217\uff09\u5916\uff0c<\/span><\/p>\n
    \u552f\u4e00\u51cf\u5c11\u64cd\u4f5c\u6570\u7684\u65b9\u6cd5\u4fbf\u662f\u5411\u4e2d\u95f4\u4ee5\u5916\u7684\u884c\u6570\u79fb\uff0c\u4ee5\u6c42\u964d\u4f4e\u5217\u7684\u79fb\u52a8\u6570\u3002<\/span><\/p>\n
    \u4e00\u5b9a\u8981\u6ce8\u610f\u4e0d\u662f\u632a\u5230\u6bcf\u884c\u76f4\u63a5\u53d6abs(\u884c\u5c3e-c2)\u7684\uff0c\u56e0\u4e3a\u53ef\u80fd\u4f1a\u6709\u5f80\u8fd4\u884c\u5c3e\u7684\u8def\u4e0a\u6709\u66f4\u5c0f\u7684\uff0c\u76f4\u63a5\u53d6\u884c\u5c3e\u53ef\u80fd\u62c9\u8fd1\u5b83\u548cc2\u7684\u8ddd\u79bb\uff0c\u4f46\u662f\u8fd9\u79cd\u64cd\u4f5c\u662f\u4e0d\u53ef\u884c\u7684\u3002<\/span><\/p>\n
    \n<\/p>\n<\/p>\n
    #include<cstdio>\n#include<functional>\n#include<algorithm>\n#include<cstdlib>\n#include<cstring>\n#include<iostream>\nusing namespace std;\n#define MAXN (10000+100)\nint a[MAXN],n;\nint abs2(int a,int b)\n{\n\tif (a<b) return b-a;\n\telse return a-b;\n}\nint main()\n{\n\tfreopen("input.txt","r",stdin);\n\tfreopen("output.txt","w",stdout);\n\tscanf("%d",&n);\n\tfor (int i=1;i<=n;i++) scanf("%d",&a[i]);\n\tint r1,c1,r2,c2;\n\tscanf("%d%d%d%d",&r1,&c1,&r2,&c2);\n\tint mi=c1,ans=0,tans=1000000000;\n\tif (r1<r2)\n\t{\n\t\tans=r2-r1;\n\t\tfor (int i=r1+1;i<=r2;i++) mi=min(mi,a[i]+1);\n\t\ttans=min(tans,ans+abs(mi-c2));\n\t\tfor (int i=r1-1,cost=2,mii=mi;i>=1;i--,cost+=2)\n\t\t{\n\t\t\tmii=min(mii,a[i]+1);\n\t\t\ttans=min(tans,ans+cost+abs(mii-c2));\n\t\t}\n\t\tfor (int i=r2+1,cost=2,mii=mi;i<=n;i++,cost+=2)\n\t\t{\n\t\t\tmii=min(mii,a[i]+1);\n\t\t\ttans=min(tans,ans+cost+abs(mii-c2));\n\t\t}\n\t}\n\telse\n\t{\n\t\tans=r1-r2;\n\t\tfor (int i=r1-1;i>=r2;i--) mi=min(mi,a[i]+1);\n\t\ttans=min(tans,ans+abs(mi-c2));\n\t\tfor (int i=r2-1,cost=2,mii=mi;i>=1;i--,cost+=2)\n\t\t{\n\t\t\tmii=min(mii,a[i]+1);\n\t\t\ttans=min(tans,ans+cost+abs(mii-c2));\n\t\t}\n\t\tfor (int i=r1+1,cost=2,mii=mi;i<=n;i++,cost+=2)\n\t\t{\n\t\t\tmii=min(mii,a[i]+1);\n\t\t\ttans=min(tans,ans+cost+abs(mii-c2));\n\t\t}\n\t}\n\tcout<<tans<<endl;\n\treturn 0;\n}<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
    C. \u5149\u6807\u79fb\u52a8 time limit per test 1 second memory 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":[118],"class_list":["post-296","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-greedy"],"yoast_head":"\nCF 253C(\u627e\u4e2d\u8f6c\u884c) - 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=296\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CF 253C(\u627e\u4e2d\u8f6c\u884c) - nike0good\" \/>\n<meta property=\"og:description\" content=\"C. \u5149\u6807\u79fb\u52a8 time limit per test 1 second memory limit per t […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nike0good.com\/?p=296\" \/>\n<meta property=\"og:site_name\" content=\"nike0good\" \/>\n<meta property=\"article:published_time\" content=\"2012-12-08T14:51:00+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=296#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=296\"},\"author\":{\"name\":\"nike0good\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/#\\\/schema\\\/person\\\/4defa38da89de87e400861e73396baad\"},\"headline\":\"CF 253C(\u627e\u4e2d\u8f6c\u884c)\",\"datePublished\":\"2012-12-08T14:51:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=296\"},\"wordCount\":95,\"commentCount\":0,\"keywords\":[\"\u8d2a\u5fc3\"],\"articleSection\":[\"DefaultCategory\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/nike0good.com\\\/?p=296#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nike0good.com\\\/?p=296\",\"url\":\"https:\\\/\\\/nike0good.com\\\/?p=296\",\"name\":\"CF 253C(\u627e\u4e2d\u8f6c\u884c) - 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