{"id":1572,"date":"2020-05-19T19:39:38","date_gmt":"2020-05-19T11:39:38","guid":{"rendered":"http:\/\/149.129.74.185\/?p=1572"},"modified":"2020-05-19T20:07:40","modified_gmt":"2020-05-19T12:07:40","slug":"patbasic1003%e6%88%91%e8%a6%81%e9%80%9a%e8%bf%87%ef%bc%8120%e5%88%86","status":"publish","type":"post","link":"http:\/\/www.magicmipamipa.com\/?p=1572","title":{"rendered":"PAT(Basic)1003\u6211\u8981\u901a\u8fc7\uff01(20\u5206)"},"content":{"rendered":"
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1003\u00a0\u6211\u8981\u901a\u8fc7\uff01\u00a0(20\u5206)<\/h1>\n<\/div>\n
<\/div>\n<\/div>\n
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\n

\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\u662f\u81ea\u52a8\u5224\u9898\u7cfb\u7edf\u7ed9\u51fa\u7684\u6700\u4ee4\u4eba\u6b22\u559c\u7684\u56de\u590d\u3002\u672c\u9898\u5c5e\u4e8e PAT \u7684\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\u5927\u6d3e\u9001 \u2014\u2014 \u53ea\u8981\u8bfb\u5165\u7684\u5b57\u7b26\u4e32\u6ee1\u8db3\u4e0b\u5217\u6761\u4ef6\uff0c\u7cfb\u7edf\u5c31\u8f93\u51fa\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\uff0c\u5426\u5219\u8f93\u51fa\u201c\u7b54\u6848\u9519\u8bef<\/strong>\u201d\u3002<\/p>\n

\u5f97\u5230\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\u7684\u6761\u4ef6\u662f\uff1a<\/p>\n

    \n
  1. \u5b57\u7b26\u4e32\u4e2d\u5fc5\u987b\u4ec5\u6709\u00a0<\/span>P<\/code>\u3001\u00a0<\/span>A<\/code>\u3001\u00a0<\/span>T<\/code>\u8fd9\u4e09\u79cd\u5b57\u7b26\uff0c\u4e0d\u53ef\u4ee5\u5305\u542b\u5176\u5b83\u5b57\u7b26\uff1b<\/li>\n
  2. \u4efb\u610f\u5f62\u5982\u00a0<\/span>xPATx<\/code>\u00a0<\/span>\u7684\u5b57\u7b26\u4e32\u90fd\u53ef\u4ee5\u83b7\u5f97\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\uff0c\u5176\u4e2d\u00a0<\/span>x<\/code>\u00a0<\/span>\u6216\u8005\u662f\u7a7a\u5b57\u7b26\u4e32\uff0c\u6216\u8005\u662f\u4ec5\u7531\u5b57\u6bcd\u00a0<\/span>A<\/code>\u00a0<\/span>\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\uff1b<\/li>\n
  3. \u5982\u679c\u00a0<\/span>aPbTc<\/code>\u00a0<\/span>\u662f\u6b63\u786e\u7684\uff0c\u90a3\u4e48\u00a0<\/span>aPbATca<\/code>\u00a0<\/span>\u4e5f\u662f\u6b63\u786e\u7684\uff0c\u5176\u4e2d\u00a0<\/span>a<\/code>\u3001\u00a0<\/span>b<\/code>\u3001\u00a0<\/span>c<\/code>\u00a0<\/span>\u5747\u6216\u8005\u662f\u7a7a\u5b57\u7b26\u4e32\uff0c\u6216\u8005\u662f\u4ec5\u7531\u5b57\u6bcd\u00a0<\/span>A<\/code>\u00a0<\/span>\u7ec4\u6210\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ol>\n

    \u73b0\u5728\u5c31\u8bf7\u4f60\u4e3a PAT \u5199\u4e00\u4e2a\u81ea\u52a8\u88c1\u5224\u7a0b\u5e8f\uff0c\u5224\u5b9a\u54ea\u4e9b\u5b57\u7b26\u4e32\u662f\u53ef\u4ee5\u83b7\u5f97\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\u7684\u3002<\/p>\n

    \u8f93\u5165\u683c\u5f0f\uff1a<\/h3>\n

    \u6bcf\u4e2a\u6d4b\u8bd5\u8f93\u5165\u5305\u542b 1 \u4e2a\u6d4b\u8bd5\u7528\u4f8b\u3002\u7b2c 1 \u884c\u7ed9\u51fa\u4e00\u4e2a\u6b63\u6574\u6570\u00a0<\/span><\/span><\/span>n<\/span><\/span><\/span><\/span>\u00a0<\/span>(<\/span><\/span><<\/span>1<\/span>0<\/span><\/span><\/span><\/span>)\uff0c\u662f\u9700\u8981\u68c0\u6d4b\u7684\u5b57\u7b26\u4e32\u4e2a\u6570\u3002\u63a5\u4e0b\u6765\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5360\u4e00\u884c\uff0c\u5b57\u7b26\u4e32\u957f\u5ea6\u4e0d\u8d85\u8fc7 100\uff0c\u4e14\u4e0d\u5305\u542b\u7a7a\u683c\u3002<\/p>\n

    \u8f93\u51fa\u683c\u5f0f\uff1a<\/h3>\n

    \u6bcf\u4e2a\u5b57\u7b26\u4e32\u7684\u68c0\u6d4b\u7ed3\u679c\u5360\u4e00\u884c\uff0c\u5982\u679c\u8be5\u5b57\u7b26\u4e32\u53ef\u4ee5\u83b7\u5f97\u201c\u7b54\u6848\u6b63\u786e<\/strong>\u201d\uff0c\u5219\u8f93\u51fa\u00a0<\/span>YES<\/code>\uff0c\u5426\u5219\u8f93\u51fa\u00a0<\/span>NO<\/code>\u3002<\/p>\n

    \u8f93\u5165\u6837\u4f8b\uff1a<\/h3>\n
    8\r\nPAT\r\nPAAT\r\nAAPATAA\r\nAAPAATAAAA\r\nxPATx\r\nPT\r\nWhatever\r\nAPAAATAA\r\n<\/code><\/pre>\n
    \u8f93\u51fa\u6837\u4f8b\uff1a<\/h3>\n
    YES\r\nYES\r\nYES\r\nYES\r\nNO\r\nNO\r\nNO\r\nNO<\/code><\/pre>\n
    \n
    \u89e3\u9898\u601d\u8def\uff1a\u8fd9\u9053\u9898\u7684\u8bed\u6587\u6c34\u5e73\u5b9e\u5728\u662f\u592a\u8ff7\u60d1\u4e86\u2026\u2026\u770b\u4e86\u534a\u5929\u4e5f\u6ca1\u770b\u51fa\u6765\u5565\u610f\u601d\u3002\u770b\u4e86\u522b\u4eba\u7684\u603b\u7ed3\u6211\u60f3\u6211\u4f30\u8ba1\u8fd9\u8f88\u5b50\u90fd\u60f3\u4e0d\u51fa\u6765\u2026\u2026\u57281\u30012\u30013\u6761\u4e2d\u627e\u7684\u89c4\u5f8b\u662f\uff1a<\/p>\n
    \u5bf9P\u524d\u3001PT\u4e2d\u95f4\u3001T\u540e\u7684\u5b57\u7b26\u4e32\u957f\u5ea6\u8bbe\u4e3aa\u3001b\u3001c\uff0c\u90a3\u4e48\uff1aa*b = c\u3002<\/p>\n
    \u5bf9\u4e8e2\uff0c\u6ee1\u8db32\u7684a=c\uff0cb=1\uff0c\u6545a*b =c\u3002<\/p>\n
    \u8fd9\u4e2a\u6709\u4e00\u4e2a\u524d\u63d0\u662fb\u5fc5\u987b\u81f3\u5c11\u4e3aA\uff0c\u56e0\u4e3a3\u7684\u524d\u63d0\u662f2\uff0c\u6240\u4ee5aPbTc\u6210\u7acb\u7684\u524d\u63d0\u662faPbTc\u53ef\u4ee5\u5f62\u5982xPATx\uff0c\u8fd9\u662f3\u7684\u610f\u601d\uff0c\u6240\u4ee5b=1\uff0c\u800ca=c\uff0c\u53c8\u56de\u52302\uff0c\u57282\u7684\u57fa\u7840\u4e0a\u5bf93\u8fdb\u884c\u6269\u5145\uff0c\u5f97\u5230\u7684\u662f\uff1ac=a+c=2*a\uff0cb=2\uff0c\u6240\u4ee5a*b = a*2 = 2*a = c\u3002\u540c\u7406\uff0c\u5f53\u6b64\u60c5\u51b5\u7684aPbTc\u6210\u7acb\u65f6\uff0caPbATca\u53c8\u53ef\u6210\u7acb\uff0c\u5373b=3\uff0ca*b = a*3 = 3*a = c\u2026\u2026<\/p>\n
    \u7406\u89e3\u5b8c\u7b97\u5f0f\uff0c\u7528\u4e00\u4e9b\u5224\u65ad\u6761\u4ef6\u63d0\u524d\u9000\u51fa\u5faa\u73af\uff0c\u5bf9\u6700\u540e\u7684a\u3001b\u3001c\u7684\u7b97\u5f0f\u5173\u7cfb\u8fdb\u884c\u68c0\u67e5\u5373\u53ef\u3002<\/p>\n
    \u8fd9\u9053\u9898\u7684\u96be\u70b9\u5e94\u8be5\u662f3\u91cc\u7684\u8fd9\u4e00\u53e5\uff1a<\/p>\n
    \u5982\u679c\u00a0<\/span>aPbTc<\/code>\u00a0<\/span>\u662f\u6b63\u786e\u7684\uff0c\u90a3\u4e48\u00a0<\/span>aPbATca<\/code>\u00a0<\/span>\u4e5f\u662f\u6b63\u786e\u7684<\/p><\/blockquote>\n
    \n
    AC\u4ee3\u7801\uff1a<\/p>\n
    <\/p>\n
    #include <iostream>\r\n#include <string>\r\nusing namespace std;\r\nbool check(string s) {\r\n    string a, b, c;\r\n    int posA=0, posB=0, posC=0;\r\n    bool isP = false, isT = false;\r\n    for (int i = 0; i < s.size(); i ++ ) {\r\n        if (s.c_str()[i] != 'A' && s.c_str()[i] != 'T' && s.c_str()[i] != 'P') return false;\r\n        if (s.c_str()[i] == 'P') { \/\/P\u524d\u9762\u7684\u5b50\u4e32\r\n            a = s.substr(0, i);\r\n            posA = i;\r\n            if (isP) return false;\r\n            isP = true;\r\n        }\r\n        if (s.c_str()[i] == 'T') { \/\/P\u548cT\u4e2d\u95f4\u7684\u5b50\u4e32\r\n            b = s.substr(posA + 1, i - posA - 1);\r\n            posB = i;\r\n            if (isT) return false;\r\n            isT = true;\r\n        }\r\n    }\r\n    if (posB < posA) return false; \/\/T\u4e0d\u80fd\u5728A\u524d\u9762\r\n    c = s.substr(posB + 1, s.size() - posB - 1); \/\/T\u540e\u9762\u7684\u5b50\u4e32\r\n    if (b.length()*a.length() == c.length() && b.length() >= 1) \/\/\u76f8\u7b49\u4e3a0\uff0c\u4e0d\u7b49\u4e3a-1\r\n        return true;\r\n    else return false;\r\n}\r\nint main()\r\n{\r\n    int N;\r\n    cin >> N;\r\n    for (int i = 0; i < N; i++) {\r\n        string s;\r\n        cin >> s;\r\n        printf(check(s)?\"YES\":\"NO\");\r\n    }\r\n}<\/pre>\n
    \n
    \u5c0fTips\uff1a<\/p>\n
    1.string.compare()\u76f8\u7b49\u4e3a0\uff0c\u4e0d\u76f8\u7b49\u4e3a-1\u3002<\/p>\n
    2.string.substr(pos,length)\uff0c\u7b2c\u4e00\u4f4d\u4e3a\u8d77\u59cb\u4f4d\u7f6e\uff0c\u7b2c\u4e8c\u4f4d\u4e3a\u88c1\u526a\u957f\u5ea6\u3002<\/p>\n
    3.for(auto c : string)\u5f97\u5230\u7684c\u662f\u5b57\u7b26\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    1003\u00a0\u6211\u8981\u901a\u8fc7\uff01\u00a0(20\u5206) \u201c\u7b54\u6848\u6b63\u786e\u201d\u662f\u81ea\u52a8\u5224\u9898\u7cfb\u7edf\u7ed9\u51fa\u7684\u6700\u4ee4\u4eba\u6b22\u559c\u7684\u56de\u590d\u3002\u672c\u9898\u5c5e\u4e8e PAT […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,17,41],"tags":[],"_links":{"self":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1572"}],"collection":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1572"}],"version-history":[{"count":3,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1572\/revisions"}],"predecessor-version":[{"id":1578,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1572\/revisions\/1578"}],"wp:attachment":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1572"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}