{"id":1584,"date":"2020-05-21T04:07:28","date_gmt":"2020-05-20T20:07:28","guid":{"rendered":"http:\/\/149.129.74.185\/?p=1584"},"modified":"2020-05-21T04:07:28","modified_gmt":"2020-05-20T20:07:28","slug":"patbasic1040-%e6%9c%89%e5%87%a0%e4%b8%aapat-25%e5%88%86","status":"publish","type":"post","link":"http:\/\/www.magicmipamipa.com\/?p=1584","title":{"rendered":"PAT(Basic)1040 \u6709\u51e0\u4e2aPAT (25\u5206)"},"content":{"rendered":"
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1040\u00a0<\/span>\u6709\u51e0\u4e2aPAT\u00a0<\/span>(25\u5206)<\/div>\n<\/div>\n
<\/div>\n<\/div>\n
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\u5b57\u7b26\u4e32\u00a0<\/span>APPAPT<\/code>\u00a0<\/span>\u4e2d\u5305\u542b\u4e86\u4e24\u4e2a\u5355\u8bcd\u00a0<\/span>PAT<\/code>\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u00a0<\/span>PAT<\/code>\u00a0<\/span>\u662f\u7b2c 2 \u4f4d(P<\/code>)\uff0c\u7b2c 4 \u4f4d(A<\/code>)\uff0c\u7b2c 6 \u4f4d(T<\/code>)\uff1b\u7b2c\u4e8c\u4e2a\u00a0<\/span>PAT<\/code>\u00a0<\/span>\u662f\u7b2c 3 \u4f4d(P<\/code>)\uff0c\u7b2c 4 \u4f4d(A<\/code>)\uff0c\u7b2c 6 \u4f4d(T<\/code>)\u3002<\/p>\n

\u73b0\u7ed9\u5b9a\u5b57\u7b26\u4e32\uff0c\u95ee\u4e00\u5171\u53ef\u4ee5\u5f62\u6210\u591a\u5c11\u4e2a\u00a0<\/span>PAT<\/code>\uff1f<\/p>\n

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

\u8f93\u5165\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u957f\u5ea6\u4e0d\u8d85\u8fc7<\/span><\/span>1<\/span>0<\/span>\u200b<\/span>5<\/span><\/span><\/span>\u200b<\/span><\/span>\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff0c\u53ea\u5305\u542b\u00a0<\/span>P<\/code>\u3001A<\/code>\u3001T<\/code>\u00a0<\/span>\u4e09\u79cd\u5b57\u6bcd\u3002<\/p>\n

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

\u5728\u4e00\u884c\u4e2d\u8f93\u51fa\u7ed9\u5b9a\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u591a\u5c11\u4e2a\u00a0<\/span>PAT<\/code>\u3002\u7531\u4e8e\u7ed3\u679c\u53ef\u80fd\u6bd4\u8f83\u5927\uff0c\u53ea\u8f93\u51fa\u5bf9 1000000007 \u53d6\u4f59\u6570\u7684\u7ed3\u679c\u3002<\/p>\n

\u8f93\u5165\u6837\u4f8b\uff1a<\/h3>\n
APPAPT\r\n<\/code><\/pre>\n
\u8f93\u51fa\u6837\u4f8b\uff1a<\/h3>\n
2<\/code><\/pre>\n
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\u89e3\u9898\u601d\u8def\uff1a\u662f\u6211\u6700\u8ba8\u538c\u7684\u6570\u5b66\u9898\u3002\u8fd9\u9053\u9898\u7684\u601d\u8def\u6700\u5f00\u59cb\u56de\u6eaf\u526a\u679d\uff08\uff1f\uff09\u5148\u627e\u5230\u4e00\u4e2aP\uff0c\u518d\u5bf9\u5b83\u4e4b\u540e\u7684\u6240\u6709A\u627eA\u4e4b\u540e\u7684\u6240\u6709T\u3002\u540e\u6765\u6211\u6362\u4e86\u4e00\u4e2a\u601d\u8def\uff0c\u662f\u4e0d\u662f\u53ea\u9700\u8981\u627e\u6bcf\u4e00\u4e2aA\u524d\u9762\u6709\u591a\u5c11\u4e2aP\u3001\u540e\u9762\u6709\u591a\u5c11\u4e2aT\u5c31\u53ef\u4ee5\u4e86\uff1f\u6ce8\u610f\u8fd9\u91cc\u7684\u6570\u5b57\u53ef\u80fd\u4f1a\u5f88\u5927\uff0c\u628a\u7b54\u6848\u5f00\u6210\u4e00\u4e2along long \u5c31\u6ca1\u95ee\u9898\u4e86\u3002<\/p>\n
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AC\u4ee3\u7801\uff1a<\/p>\n
<\/p>\n
#include <iostream>\r\n#include <string>\r\nusing namespace std;\r\nstring pat;\r\n\r\nint main()\r\n{\r\n    cin >> pat;\r\n    int countP=0;\r\n    int countT=0;\r\n    long long total = 0;\r\n    for (int i = 0; i < pat.length(); i++) {\r\n        switch (pat[i]) {\r\n        case 'T':countT++;\r\n            break;\r\n        }\r\n    }\r\n    for (int i = 0; i < pat.length(); i++) {\r\n        switch (pat[i]) {\r\n        case 'P':countP++;\r\n            break;\r\n        case 'T':countT--;\r\n            break;\r\n        case 'A':total += countP * countT;\r\n            break;\r\n        }\r\n    }\r\n    cout << total% 1000000007 <<endl;\r\n    return 0;\r\n}<\/pre>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
1040\u00a0\u6709\u51e0\u4e2aPAT\u00a0(25\u5206) \u5b57\u7b26\u4e32\u00a0APPAPT\u00a0\u4e2d\u5305\u542b\u4e86\u4e24\u4e2a\u5355\u8bcd\u00a0PAT\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u00a0PA […]<\/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\/1584"}],"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=1584"}],"version-history":[{"count":1,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1584\/revisions"}],"predecessor-version":[{"id":1585,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1584\/revisions\/1585"}],"wp:attachment":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1584"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}