{"id":322,"date":"2023-12-07T15:31:50","date_gmt":"2023-12-07T07:31:50","guid":{"rendered":"https:\/\/mondayqueen.top\/?p=322"},"modified":"2023-12-20T15:27:03","modified_gmt":"2023-12-20T07:27:03","slug":"hnust23%e7%ba%a7%e6%9c%9f%e4%b8%ad%e8%80%83%e8%af%95%e4%b9%b1%e6%9d%80%e9%a2%98%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/mondayqueen.top\/index.php\/2023\/12\/07\/hnust23%e7%ba%a7%e6%9c%9f%e4%b8%ad%e8%80%83%e8%af%95%e4%b9%b1%e6%9d%80%e9%a2%98%e8%a7%a3\/","title":{"rendered":"HNUST\u8ba1\u7b97\u673a\u966223\u7ea7\u671f\u4e2d\u8003\u8bd5\u4e71\u6740\u9898\u89e3"},"content":{"rendered":"\n

\u80fd\u6740\u5230\u699c\u4e00\u7684\u4e0d\u662f23\u7ea7\u7684\u5b66\u5f1f\u5b66\u59b9\uff0c\u800c\u662f21\u7ea7\u7684\u8001\u4eba<\/p>\u2014\u2014\u9ea6\u514b\u00b7\u963f\u745f<\/cite><\/blockquote><\/figure>\n\n\n\n

\u6700\u8fd1\u6211\u4eec\u5b66\u6821\u671f\u4e2d\u673a\u8bd5\u7ed3\u675f\u4e86\uff0c\u516c\u5e03\u4e86\u91cd\u73b0\u8d5b\uff0c\u7136\u540e\u6211\u76f4\u63a5\u5927\u69821h\u6740\u5b8c\u4e86\uff0c\u6240\u4ee5\u6765\u5199\u4e2a\u9898\u89e3\u7f62<\/p>\n\n\n\n

\u2b07\ufe0f\u8fd9\u91cc\u662f\u6240\u6709\u7684\u9898\uff0c\u94fe\u63a5\u5728\u70b9\u6211\uff01<\/a><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

A.ASCII\u7801<\/h2>\n\n\n\n

\u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n

\n

\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\uff0c\u8bf7\u8f93\u51fa\u5176ASCII\u7801\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u8f93\u5165\uff1a<\/p>\n\n\n\n

\n

\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26<\/p>\n<\/blockquote>\n\n\n\n

\u8f93\u51fa\uff1a<\/p>\n\n\n\n

\n

\u4e0e\u8f93\u5165\u5b57\u7b26\u76f8\u5bf9\u5e94\uff0c\u8f93\u51fa\u5176ASCII\u7801\uff0810\u8fdb\u5236\uff09<\/p>\n<\/blockquote>\n\n\n\n

\u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n

\n

0<\/p>\n<\/blockquote>\n\n\n\n

\u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n

\n

The ASCII value is 48<\/p>\n<\/blockquote>\n\n\n\n

\u4f5c\u4e3aA\u9898\u5f53\u7136\u662f\u9001\u5206\u7684\uff0c\u8fd9\u8fb9\u590d\u4e60\u4e00\u4e0bASCII\u7801\u76f8\u5173\u77e5\u8bc6\uff1a<\/p>\n\n\n\n

ASCII\u7801\u662fAmerican Standard Code for Information Interchange\u7684\u7f29\u5199\uff08\u7f8e\u56fd\u6807\u51c6\u4fe1\u606f\u4ea4\u6362\u4ee3\u7801\uff09\uff0c\u5df2\u88ab\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7ISO\u91c7\u7eb3\uff0c\u4f5c\u4e3a\u56fd\u9645\u901a\u7528\u7684\u4fe1\u606f\u4ea4\u6362\u6807\u51c6\u4ee3\u7801\u3002\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u7528\u6570\u5b57\uff08\u4e8c\u8fdb\u5236\u5341\u8fdb\u5236\u5341\u516d\u8fdb\u5236\u7b49\uff09\u4ee3\u8868\u7b26\u53f7\uff08\u5305\u62ec\u7a7a\u683c\u3001\u82f1\u6587\u5b57\u6bcd\u3001\u963f\u62c9\u4f2f\u6570\u5b57\u5b57\u7b26\u3001\u6807\u70b9\u7b26\u53f7\u3001\u5404\u79cd\u8fd0\u7b97\u7b26\u53f7\u548c\u63a7\u5236\u547d\u4ee4\u7b26\u53f7\u7b49\u7b49\uff09<\/p>\n\n\n\n

\u5173\u4e8e\u4e3a\u4ec0\u4e48\u8981\u7528\u6570\u5b57\u8868\u793a\u5b57\u7b26\u53ef\u4ee5\u4e86\u89e3\u4e00\u6ce2\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\uff0c\u8fd9\u8fb9\u6211\u53ea\u8bf4\u600e\u4e48\u505a\u9898\uff08<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\u901a\u8fc7\u8fd9\u4e2a\u8868\u53ef\u4ee5\u53d1\u73b0\u5c0f\u5199\u5b57\u6bcd\u7684ASCII\u7801\u503c\u6bd4\u4ed6\u5bf9\u5e94\u7684\u5927\u5199\u5b57\u6bcd\u7684ASCII\u7801\u503c\u592732\uff0c\u6240\u4ee5\u5f53\u4f60\u60f3\u8f6c\u6362\u5927\u5c0f\u5199\u7684\u65f6\u5019\u53ef\u4ee5char low = up + 32<\/code>\u5c31\u53ef\u4ee5\u8ba9low\u6210\u4e3aup\u7684\u5c0f\u5199\u5b57\u6bcd\u3002\u662f\u4e2a\u5c0f\u6280\u5de7<\/p>\n\n\n\n

\u8a00\u5f52\u6b63\u4f20\u6765\u5199A\u9898\uff0c\u8fd9\u91cc\u76f4\u63a5\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\uff0c\u628achar\u7c7b\u578b\u8f6c\u6362\u6210int\u7c7b\u578b\u5c31\u53ef\u4ee5\u4e86<\/p>\n\n\n\n

\u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n

#include<iostream>\nusing namespace std;\nint main()\n{\n    char ch;\n    cin >> ch;\n    cout << \"The ASCII value is \" << (int)ch;\n    return 0;\n}<\/code><\/pre>\n\n\n\n
B.\u7b49\u8170\u4e09\u89d2\u5f62<\/h2>\n\n\n\n
\u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
\n
\u7ed9\u5b9a\u4e09\u89d2\u5f62\u7684\u4e24\u4e2a\u5185\u89d2\uff0c\u5224\u65ad\u5176\u662f\u5426\u4e3a\u7b49\u8170\u4e09\u89d2\u5f62\u3002<\/p>\n<\/blockquote>\n\n\n\n
\u8f93\u5165\uff1a<\/p>\n\n\n\n
\n
\u8f93\u5165\u7a7a\u683c\u5206\u5f00\u7684\u4e24\u4e2a\u6b63\u6574\u6570\u03b1\u548c\u03b2\uff0c\u8868\u793a\u4e09\u89d2\u5f62\u7684\u4e24\u4e2a\u5185\u89d2\u5ea6\u6570\u3002<\/p>\n<\/blockquote>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\n
\u5982\u679c\u4e09\u89d2\u5f62\u4e3a\u7b49\u8170\u4e09\u89d2\u5f62\uff0c\u5219\u8f93\u51fa”YES”,\u5426\u5219\u8f93\u51fa”NO”\u3002<\/p>\n<\/blockquote>\n\n\n\n
\u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
\n
50 80<\/p>\n<\/blockquote>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\n
YES<\/p>\n<\/blockquote>\n\n\n\n
\u4f9d\u65e7\u9001\u5206\u7684\u9898\uff0c\u6839\u636e\u9898\u76ee\u610f\u601d\u53bb\u6a21\u62df\uff0c\u4e00\u4e2a\u4e09\u89d2\u5f62\u77e5\u9053\u4e24\u4e2a\u89d2\uff0c\u90a3\u4e48\u7b2c\u4e09\u4e2a\u89d2\u5c31\u662f\u7528180\u00b0-\u03b1-\u03b2<\/code>\uff0c\u518d\u5224\u65ad\u8fd9\u4e09\u4e2a\u89d2\u91cc\u9762\u6709\u6ca1\u6709\u54ea\u4e24\u4e2a\u89d2\u662f\u76f8\u7b49\u7684\u5c31\u53ef\u4ee5\u4e86<\/p>\n\n\n\n
\u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
#include<iostream>\nusing namespace std;\nint main()\n{\n    int a,b;\n    cin >> a >> b;\n    int c = 180-a-b;\n    if(a == b|| a == c|| b == c){\n        cout << \"YES\";\n    }else{\n        cout << \"NO\";\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
C.\u594b\u6597\u76ee\u6807<\/h2>\n\n\n\n
\u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
\n
\u7ecf\u8fc7\u534a\u4e2a\u5b66\u671f\u7684\u5b66\u4e60\uff0c\u6709\u5f88\u591a\u540c\u5b66\u5f00\u59cb\u7231\u4e0a\u7a0b\u5e8f\u8bbe\u8ba1\uff0c\u4e3a\u6b64\uff0c\u7279\u5411\u5404\u4f4d\u540c\u5b66\u63a8\u8350\u56db\u4e2a\u7ea7\u522b\u7684\u76ee\u6807\uff1a
\u4e00\u7ea7\u76ee\u6807\u662fHNUSTCPC\uff0cHNUSTCPC\u662f\u6e56\u5357\u79d1\u6280\u5927\u5b66\u5927\u5b66\u751f\u7a0b\u5e8f\u8bbe\u8ba1\u7ade\u8d5b\u7684\u82f1\u6587\u7f29\u5199\uff1b
\u4e8c\u7ea7\u76ee\u6807\u662fHNCPC\uff0cHNCPC\u662f\u6e56\u5357\u7701\u5927\u5b66\u751f\u7a0b\u5e8f\u8bbe\u8ba1\u7ade\u8d5b\u7684\u82f1\u6587\u7f29\u5199;
\u4e09\u7ea7\u76ee\u6807\u662fCCPC\uff0cCCPC\u662f\u4e2d\u56fd\u5927\u5b66\u751f\u7a0b\u5e8f\u8bbe\u8ba1\u7ade\u8d5b\u7684\u82f1\u6587\u7f29\u5199\uff1b
\u56db\u7ea7\u76ee\u6807\u662fICPC\uff0cICPC\u662f\u56fd\u9645\u5927\u5b66\u751f\u7a0b\u5e8f\u8bbe\u8ba1\u7ade\u8d5b\u7684\u82f1\u6587\u7f29\u5199\uff1b<\/p>\n<\/blockquote>\n\n\n\n
\u8f93\u5165\uff1a<\/p>\n\n\n\n
\n
\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff0c\u5982\u679c\u6570\u5b57\u7684\u53d6\u503c\u662f1\u30012\u30013\u62164\uff0c\u8868\u793a\u60f3\u53c2\u52a0\u7a0b\u5e8f\u8bbe\u8ba1\u7ade\u8d5b\u7684\u6700\u9ad8\u76ee\u6807\u3002\u5982\u679c\u662f\u5176\u5b83\u6570\u5b57\uff0c\u5219\u8868\u793a\u53ea\u60f3\u901a\u8fc7\u8bfe\u7a0b\u8003\u8bd5\u3002<\/p>\n<\/blockquote>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\n
\u4e0e\u8f93\u5165\u7684\u6700\u9ad8\u76ee\u6807\u76f8\u5bf9\u5e94\uff0c\u8f93\u51fa\u5c06\u53ef\u80fd\u53c2\u52a0\u7684\u6700\u9ad8\u76ee\u6807\u8d5b\u4e8b\u3002\u5982\u679c\u8f93\u5165\u7684\u662f1\u30012\u30013\u62164\uff0c\u5219\u8f93\u51fa\u5bf9\u5e94\u8d5b\u4e8b\u7684\u82f1\u6587\u7f29\u5199\u3002\u5982\u679c\u662f\u5176\u5b83\u6570\u5b57\uff0c\u5219\u8f93\u51fa\u201cPass the exam”\u3002<\/p>\n<\/blockquote>\n\n\n\n
\u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
\n
4<\/p>\n<\/blockquote>\n\n\n\n
\u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\n
ICPC<\/p>\n<\/blockquote>\n\n\n\n
\u9898\u76ee\u7684\u610f\u601d\u5f88\u597d\u7406\u89e3\uff1a<\/p>\n\n\n\n
    \n
  • \u8f93\u51651\u5c31\u8f93\u51faHNUSTCPC<\/li>\n\n\n\n
  • \u8f93\u51652\u5c31\u8f93\u51faHNCPC<\/li>\n\n\n\n
  • \u8f93\u51653\u5c31\u8f93\u51faCCPC<\/li>\n\n\n\n
  • \u8f93\u51654\u5c31\u8f93\u51faICPC<\/li>\n\n\n\n
  • \u5176\u4ed6\u8f93\u5165\u5c31\u8f93\u51faPass the exam<\/li>\n<\/ul>\n\n\n\n
    \u53ef\u4ee5\u7528switch\u505a\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5if<\/p>\n\n\n\n
    \u7528switch\u7684\u8bdd\u6ce8\u610f\u5199break\uff0c\u4e0d\u7136\u4f1a\u628a\u540e\u9762\u7684case\u8bed\u53e5\u5168\u90e8\u6267\u884c\u4e00\u904d<\/p>\n\n\n\n
    \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
    #include<iostream>\nusing namespace std;\nint main()\n{\n    int n;\n    cin >> n;\n    switch (n) {\n        case 1:\n            cout << \"HNUSTCPC\";\n            break;\n        case 2:\n            cout << \"HNCPC\";\n            break;\n        case 3:\n            cout << \"CCPC\";\n            break;\n        case 4:\n            cout << \"ICPC\";\n            break;\n        default:cout <<\"Pass the exam\";\n            break;\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    D.\u4e09\u89d2\u5f62\u7684\u9ad8<\/h2>\n\n\n\n
    \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
    \n
    \u5df2\u77e5\u4e09\u89d2\u5f62\u7684\u4e09\u6761\u8fb9a\u3001b\u548cc\uff0c\u6c42c\u8fb9\u4e0a\u7684\u9ad8\uff0c\u6570\u636e\u90fd\u662f\u4ee5\u5398\u7c73\u4e3a\u5355\u4f4d\u3002\u6c42\u4e09\u89d2\u5f62\u7684\u9762\u79ef\u53ef\u4ee5\u4f7f\u7528\u6d77\u4f26\u516c\u5f0f\u3002<\/p>\n\n\n\n
    \"\"<\/figure>\n<\/blockquote>\n\n\n\n
    \u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    \u4e09\u4e2a\u7a7a\u683c\u5206\u5f00\u6b63\u6574\u6570a\u3001b\u548cc(0<a,b,c<=100)\uff0c\u5206\u522b\u5bf9\u5e94\u4e09\u89d2\u5f62\u4e09\u6761\u8fb9\u7684\u957f\u5ea6\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    \u8f93\u51fac\u5bf9\u5e94\u8fb9\u4e0a\u7684\u9ad8\u7684\u957f\u5ea6\uff0c\u53ea\u8f93\u51fa\u8be5\u503c\u7684\u6574\u6570\u90e8\u5206\uff0c\u6ce8\u610f\u4e0d\u662f\u56db\u820d\u4e94\u5165\u3002\u5982\u6837\u4f8b\uff0cc\u8fb9\u4e0a\u7684\u9ad8\u957f\u5ea6\u4e3a2.4\u5398\u7c73\uff0c\u90a3\u4e48\u8f93\u51fa2\u5373\u53ef\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    3 4 5<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    2<\/p>\n<\/blockquote>\n\n\n\n
    \u4e5f\u662f\u6839\u636e\u9898\u76ee\u610f\u601d\u53bb\u6a21\u62df\uff0c\u7531\u4e09\u89d2\u5f62\u7684\u4e09\u6761\u8fb9\u548c\u6d77\u4f26\u516c\u5f0f\u7b97\u51fa\u4e09\u89d2\u5f62\u9762\u79ef\uff0c\u518d\u7528S=\u5e95*\u9ad8\/2<\/code>\u5c31\u53ef\u4ee5\u7b97\u51fa\u5e95\u8fb9\u4e0a\u7684\u9ad8\u4e86<\/p>\n\n\n\n
    \u8fd9\u8fb9\u6ce8\u610f\u5728\u8ba1\u7b97p\u548cS\u7684\u65f6\u5019\u4fdd\u6301\u7cbe\u5ea6\uff0c\u4f7f\u7528\u6d6e\u70b9\u578bfloat\u6216\u8005double\uff0c\u5728\u7b97p\u7684\u65f6\u5019\u6ce8\u610f\u5230\u5206\u5b50\u548c\u5206\u6bcd\u90fd\u662fint\u7c7b\u578b\uff0c\u8fd9\u6837\u76f8\u9664\u5c3d\u7ba1p\u662fdouble\u7c7b\u578b\u4f46\u4ed6\u4e5f\u53ea\u4f1a\u6709\u6574\u6570\u90e8\u5206\uff0c\u6ca1\u6709\u5c0f\u6570\u90e8\u5206\uff0c\u8bb0\u4f4fint\/int\u8fd8\u662fint<\/strong>\uff0c\u6240\u4ee5\u91c7\u7528double p = (a+b+c)*1.00\/2<\/code>\u8fd9\u79cd\u5f62\u5f0f\u53ef\u4ee5\u8ba9p\u4fdd\u6301\u7cbe\u5ea6<\/p>\n\n\n\n
    \u8f93\u51fa\u9ad8\u8981\u6c42\u5411\u4e0b\u53d6\u6574\u8f93\u51fa\u6574\u6570\uff0c\u6211\u4eec\u53c8\u53ef\u4ee5\u5229\u7528\u8fd9\u4e2a\u7279\u6027<\/p>\n\n\n\n
    \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
    #include<iostream>\n#include<math.h>\nusing namespace std;\nint main()\n{\n    int a,b,c;\n    cin >> a >> b >> c;\n    double p = (a+b+c)*1.00\/2;\n    double s = sqrt(p*(p-a)*(p-b)*(p-c));\n    int ans = 2*s\/c;\n    \/\/cout << s << endl;\n    cout << ans;\n     \n    return 0;\n}<\/code><\/pre>\n\n\n\n
    E.\u65f6\u5236\u8f6c\u6362<\/h2>\n\n\n\n
    \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
    \n
    \u8f93\u5165\u4e00\u4e2a24\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\uff0c\u8f93\u51fa\u517612\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\u8868\u793a\u3002
    24\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\u8868\u793a\u8303\u56f4\u4e3a\uff1a00:00 ~ 23:59\uff0c\u6ca1\u670924\u70b9\u7684\u79f0\u547c\u3002
    12\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\u8868\u793a\u8303\u56f4\u4e3a\uff1a\u4e0a\u5348\u6709\uff1a12:00 am ~ 12:59 am\u548c01:00 am ~ 11:59 am\uff0c\u4e0b\u5348\u6709\uff1a12:00 pm ~ 12:59 pm\u548c01:00 pm ~ 11:59 pm\uff0c\u6ca1\u67090\u70b9\u7684\u79f0\u547c\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    \u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u8f93\u5165\u4e00\u4e2a24\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\u3002\u683c\u5f0f\u4e3a\u201c\u65f6:\u5206”\uff0c\u598212\u65f618\u5206\u8868\u793a\u4e3a\u201d12:18\u201c\u3002\u82e5\u5c0f\u65f6\u6216\u5206\u949f\u5c0f\u4e8e10\u65f6\uff0c\u9700\u8981\u5e26\u524d\u5bfc0\uff0c\u59828\u65f68\u5206\u8868\u793a\u4e3a\u201d08:08\u201c\uff0c\u8f93\u51fa\u683c\u5f0f\u7528\u201c%02d\u201d\u5373\u53ef\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    \u4e0e\u8f93\u5165\u76f8\u5bf9\u5e94\uff0c\u8f93\u51fa\u517612\u5c0f\u65f6\u5236\u7684\u65f6\u95f4\u8868\u793a\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    20:18<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    08:18 pm<\/p>\n<\/blockquote>\n\n\n\n
    \u6709\u70b9\u9b3c\u7684\u4e00\u4e2a\u9898\uff0c\u6ce8\u610f\u770b\u9898\u5e72\u7684\u8fd9\u53e5\u8bdd\uff1a<\/p>\n\n\n
    \n
    \"\"<\/figure>\n<\/div>\n\n\n
    \u56e0\u4e3a12\u5c0f\u65f6\u5236\u6ca1\u67090\u70b9\u7684\u79f0\u547c\uff0c\u6240\u4ee5\u6211\u4eec\u65e5\u5e38\u6240\u8bf4\u76840:00am\u5728\u8fd9\u4e2a\u9898\u8fd9\u91cc\u8981\u8bf4\u621012:00am\uff0c\u4e5f\u5c31\u662f\u8bf4\u9898\u5e72\u91cc\u768412:00am\uff5e12:59am\u5176\u5b9e\u662f\u572801:00am\uff5e11:59\u4e4b\u524d\u7684<\/p>\n\n\n\n
    \u8fd9\u8fb9\u753b\u4e2a\u56fe\u6613\u4e8e\u7406\u89e3\u4e00\u4e0b<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \u591a\u770b\u51e0\u773c\uff0c\u591a\u7406\u89e3\u4e00\u4e0b\u8fd9\u4e2a\u5f14\u9898\u5c31\u8bfb\u61c2\u4e86<\/p>\n\n\n\n
    \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
    #include<iostream>\n#include<math.h>\nusing namespace std;\nint main()\n{\n    int hh,mm;\n    scanf(\"%d:%d\",&hh,&mm);\n    if(hh == 0){\n        hh = 12;\n        printf(\"%02d:%02d am\",hh,mm);\n    }else{\n        if(hh>13){\n            hh-=12;\n            printf(\"%02d:%02d pm\",hh,mm);\n        }else if(hh == 12&&mm>=0){\n            printf(\"%02d:%02d pm\",hh,mm);\n             \n        }else{\n            printf(\"%02d:%02d am\",hh,mm);\n        }\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    F.\u5947\u5076\u6807\u7b7e\u5316<\/h2>\n\n\n\n
    \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
    \n
    \u6709n\u4e2a\u6b63\u6574\u6570\uff0c\u5c06\u5176\u5947\u5076\u6807\u7b7e\u5316\u3002\u5373\u5947\u6570\u6807\u8bb0\u4e3a1\uff0c\u5076\u6570\u6807\u8bb0\u4e3a0\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    \u8f93\u5165\u7531\u4e24\u884c\u7ec4\u6210\u3002
    \u7b2c\u4e00\u884c\u662f\u4e00\u4e2a\u5927\u4e8e1\u4e14\u5c0f\u4e8e100\u7684\u6574\u6570n\u3002
    \u7b2c\u4e8c\u884c\u662fn\u4e2a\u7a7a\u683c\u5206\u5f00\u7684\u6b63\u6574\u6570,\u6574\u6570\u503c\u5747\u4e0d\u8d85\u8fc710000\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    \u8f93\u51fa\u4e00\u884c\uff0c\u683c\u5f0f\u5982”[1,0,…0,1]”\uff0c\u62ec\u53f7\u4e2d\u9017\u53f7\u9694\u5f00\u76840\u62161\u6807\u8bb0\u5bf9\u5e94\u8f93\u5165\u6574\u6570\u7684\u5947\u5076\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
    \n
    6<\/p>\n\n\n\n
    1 2 3 4 5 6<\/p>\n<\/blockquote>\n\n\n\n
    \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
    \n
    [1,0,1,0,1,0]<\/p>\n<\/blockquote>\n\n\n\n
    \u5224\u65ad\u6570\u7684\u5947\u5076\uff0c\u6bd4\u4e0a\u4e00\u4e2a\u7b80\u5355\uff0c\u4e0d\u8fc7\u8f93\u51fa\u7684\u683c\u5f0f\u8981\u5c0f\u5c0f\u7684\u6ce8\u610f\u4e00\u4e0b\uff0c\u53ef\u4ee5\u770b\u6211\u662f\u600e\u4e48\u8f93\u51fa\u7684<\/p>\n\n\n\n
    \u7ec6\u5fc3\u7684\u4f60\u770b\u5230\u6211\u5728\u5224\u65ad\u4e00\u4e2a\u6570num\u662f\u4e0d\u662f\u5947\u6570\u65f6\u7528\u4e86num&1<\/code>\uff0c&\u7684\u610f\u601d\u662f\u201c\u6309\u4f4d\u4e0e\u201d\uff0c\u7c7b\u4f3c\u7684\u8fd8\u6709|\uff1a\u6309\u4f4d\u6216\u3001^\uff1a\u5f02\u6216\uff0c\u4ed6\u4eec\u7684\u8fd0\u7b97\u90fd\u662f\u628anum\u8f6c\u5316\u4e3a\u4e8c\u8fdb\u5236\u6570\u518d\u8fdb\u884c\u8fd0\u7b97<\/p>\n\n\n\n
      \n
    • \u6309\u4f4d\u4e0e&\uff1a\u59822&3\uff0c\u8f6c\u5316\u4e3a\u4e8c\u8fdb\u5236\uff1a10\uff082\uff09&11\uff082\uff09\uff0c\u90a3\u4e48\u6309\u7167\u201c\u4e0e\u7684\u89c4\u5219\u201d\uff1a1\u4e0e1\u624d\u662f1\uff0c\u5176\u4ed6\u90fd\u662f0<\/strong>\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u5c31\u662f01\uff082\uff09\uff0c\u4ed6\u7684\u5341\u8fdb\u5236\u5c31\u662f1\u3002\u90a3\u4e48\u5982\u4f55\u5229\u7528&\u6765\u5224\u65ad\u662f\u5426\u662f\u5947\u6570\u5462\uff1f\u6211\u4eec\u77e5\u9053\u4e8c\u8fdb\u5236\u7684\u6700\u53f3\u4e00\u4f4d\u662f\u4ee3\u88682\u76840\u6b21\u65b9\u4e5f\u5c31\u662f1\u7684\uff0c\u5176\u4ed6\u4f4d\u90fd\u662f2\u7684n\uff08n\u22651\uff09\u6b21\u65b9\u5373\u90fd\u662f2\u7684\u500d\u6570\uff0c\u6240\u4ee5\u8fd9\u4e2a\u6570\u7684\u4e8c\u8fdb\u5236\u7684\u6700\u53f3\u4e00\u4f4d\u662f1\u5c31\u4ee3\u8868\u7740\u8fd9\u4e2a\u6570\u662f\u5947\u6570\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6570\u7684\u4e8c\u8fdb\u5236\u53ef\u4ee5\u8868\u793a\u4e3axxxxx1\uff0c\u6309\u4f4d\u4e0e1\u5c31\u662fxxxxx1&1\uff0c\u53ea\u4f1a\u4e0e\u5230\u6700\u53f3\u4e00\u4f4d\uff0c\u5176\u4ed6\u4f4d\u90fd\u662f0\uff0c\u81ea\u7136\u7ed3\u679c\u5c31\u662f1\uff0c1\u5c31\u4ee3\u8868\u771f\uff0c\u4ee3\u8868\u662f\u5947\u6570\u4e86\uff0c\u5426\u5219\u5c31\u662fxxxxx0&1\uff0c\u7ed3\u679c\u4e3a0\uff0c\u4ee3\u8868\u5426\uff0c\u4ee3\u8868\u4e0d\u662f\u5947\u6570\u4e86<\/li>\n\n\n\n
    • \u6309\u4f4d\u6216|\uff1a\u201c\u6216\u7684\u89c4\u5219\u201d\uff1a0\u62160\u624d\u662f0\uff0c\u5176\u4ed6\u90fd\u662f1<\/strong><\/li>\n\n\n\n
    • \u5f02\u6216^\uff1a\u201c\u5f02\u6216\u7684\u89c4\u5219\u201d\uff1a1\u5f02\u62160\uff0c0\u5f02\u62161\u624d\u662f1\uff0c\u5176\u4ed6\u90fd\u662f0<\/strong>\u4e3e\u4e2a\u4f8b\u5b50\uff1a5^6\uff1a\u8f6c\u5316\u4e3a\u4e8c\u8fdb\u5236\uff1a101\uff082\uff09^110\uff082\uff09\uff0c\u5f97\u5230011\uff082\uff09\uff0c\u5341\u8fdb\u5236\u5c31\u662f3<\/li>\n<\/ul>\n\n\n\n
      \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
      #include<iostream>\n#include<math.h>\nusing namespace std;\nint main()\n{\n    int n,a[110];\n    cin >> n;\n     \n    for(int i = 0;i<n;i++){\n        cin >> a[i];\n        if(i == 0){\n            if(a[i]&1){\n                cout << \"[1\";\n            }else{\n                cout << \"[0\";\n            }\n        }else{\n            if(a[i]&1){\n                cout << \",1\";\n            }else{\n                cout << \",0\";\n            }\n        }\n    }\n    cout << \"]\";\n     \n    return 0;\n}<\/code><\/pre>\n\n\n\n
      G.\u53cd\u7801<\/h2>\n\n\n\n
      \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
      \n
      \u5df2\u77e5\u4e00\u4e2a\u6570\u7528\u4e8c\u8fdb\u5236\u8868\u793a\u7684\u539f\u7801\uff0c\u6c42\u5176\u53cd\u7801\u5e76\u8f93\u51fa\u3002\u5173\u4e8e\u53cd\u7801\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u6b63\u6570\u7684\u53cd\u7801\u4e0e\u539f\u7801\u76f8\u540c\uff0c\u8d1f\u6570\u7684\u53cd\u7801\u662f\u7b26\u53f7\u4f4d\u4fdd\u6301\u4e0d\u53d8\u800c\u6570\u503c\u4f4d\u6309\u4f4d\u53d6\u53cd\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      \u8f93\u5165\u4e00\u4e2a\u6570\u7528\u4e8c\u8fdb\u5236\u8868\u793a\u7684\u539f\u7801\uff0c\u957f\u5ea6\u4e0d\u8d85\u8fc78\u4f4d\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      \u4e0e\u539f\u7801\u76f8\u5bf9\u5e94\uff0c\u8f93\u51fa\u5176\u7528\u4e8c\u8fdb\u5236\u8868\u793a\u7684\u53cd\u7801\u3002\u53cd\u7801\u7684\u957f\u5ea6\u4e0e\u539f\u7801\u76f8\u540c\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      11001010<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      10110101<\/p>\n<\/blockquote>\n\n\n\n
      \u7b2c\u4e00\u4f4d\u5c31\u53ef\u4ee5\u5224\u65ad\u6b63\u8d1f\uff0c\u4e00\u4e2a\u6570\u7684\u539f\u7801\u7b2c\u4e00\u4f4d\u662f\u7b26\u53f7\u4f4d\uff0c\u662f0\u4ee3\u8868\u4ed6\u662f\u6b63\u6570\uff0c\u662f1\u4ee3\u8868\u4ed6\u662f\u8d1f\u6570\uff0c\u8fd9\u662f\u8001\u65e9\u5c31\u5b66\u4e86\u7684\u8ba1\u7b97\u673a\u5bfc\u8bba\u7684\u77e5\u8bc6\u554a\uff01\uff01\uff01\uff01\u540e\u7eed\u8fd8\u4f1a\u5728\u8ba1\u7b97\u673a\u7ec4\u6210\u539f\u7406\u3001\u6c47\u7f16\u8bed\u8a00\u4e4b\u7c7b\u7684\u8bfe\u91cc\u9762\u518d\u5b66\u5230\uff01\uff01\uff01\uff01\uff01<\/p>\n\n\n\n
      \u8981\u662f\u4e0d\u4f1a\u8bfb\u5b57\u7b26\u4e32\u53ef\u4ee5\u91c7\u7528%1d<\/code>\u7684\u65b9\u6cd5\u9010\u4e2a\u8bfb\u5165\u5355\u4e2a\u6570\u5b57\u5b58\u5165\u6570\u7ec4\uff0c\u7136\u540e\u518d\u5f02\u62161\u5373\u53ef\u53d6\u53cd\uff0c\u8fd9\u8fb9\u6211\u4f1a\u8bfb\u5b57\u7b26\u4e32\u6240\u4ee5\u76f4\u63a5\u7528\u5b57\u7b26\u4e32\u8bfb\u4e86\uff08\u8fd8\u662f\u5f97\u5b66\u5b66string\u561e<\/p>\n\n\n\n
      \u4e0d\u8fc7\u4e0d\u5b58\u6570\u7ec4\uff0c\u76f4\u63a5\u8bfb\u4e00\u4f4d\u8f93\u51fa\u4e00\u4f4d\u4e5f\u662f\u53ef\u4ee5\u7684<\/p>\n\n\n\n
      \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
      #include<iostream>\n#include<math.h>\n#include<string.h>\nusing namespace std;\nint main()\n{\n    string s;\n    cin >> s;\n    if(s[0] == '0'){\n        cout << s;\n    }else{\n        cout << s[0];\n        for(int i = 1;i<s.size();i++){\n            if(s[i] == '0') cout << 1;\n            else cout << 0;\n        }\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
      H.\u6570\u5b57\u4e09\u89d2\u5f62II<\/h2>\n\n\n\n
      \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
      \n
      \u7ed9\u5b9a\u4e00\u4e2a\u6b63\u6574\u6570n\uff0c\u8f93\u51fa\u76f8\u5e94\u7684\u6570\u5b57\u4e09\u89d2\u5f62\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      \u4e00\u4e2a\u6b63\u6574\u6570n\uff0c 2<=n<=9\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      \u5bf9\u5e94\u4e8en\u7684\u6570\u5b57\u4e09\u89d2\u5f62\uff0c\u7b2ci\u884c\u6709i\u4e2ai(1<=i<=n)\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      5<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
          1\n   22\n  333\n 4444\n55555<\/code><\/pre>\n\n\n\n
      \u8003\u9a8c\u5199\u5faa\u73af\u8bed\u53e5\u7684\u57fa\u672c\u529f\u4e86\uff0c\u7b80\u5355\u7684\u627e\u89c4\u5f8b\u9898\uff1a<\/p>\n\n\n\n
      \u4e00\u5171n\u884c\uff0c\u7b2c\u4e00\u884c\u6709n-\u884c\u6570<\/code>\u4e2a\u7a7a\u683c\uff0c\u4e00\u76f4\u5230\u6700\u540e\u4e00\u884c\u6ca1\u6709\u7a7a\u683c\uff0c\u7b2c\u4e00\u884c\u6709\u884c\u6570<\/code>\u4e2a\u6570\u5b57\uff0c\u4e00\u76f4\u5230\u6700\u540e\u4e00\u884c\u5168\u662f\u6570\u5b57<\/p>\n\n\n\n
      \u4e00\u4e9b\u7c7b\u4f3c\u7684\u8f93\u51fa\u6570\u5b57\u4e09\u89d2\u5f62\u7684\u9898\u53ef\u4ee5\u591a\u505a\u505a\uff0c\u6b63\u7740\u7684\u5012\u7740\u7684\u987a\u7740\u7684\u53cd\u7740\u7684\u751a\u81f3\u8f93\u51fa\u68f1\u5f62\u7684<\/p>\n\n\n\n
      \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
      #include<iostream>\n#include<math.h>\n#include<string.h>\nusing namespace std;\nint main()\n{\n    int n;\n    cin >> n;\n    for(int i = 1;i<=n;i++){\n        for(int j = 1;j<=n-i;j++){\n            cout << ' ';\n        }\n        for(int k = 1;k<=i;k++){\n            cout << i;\n        }\n        cout << endl;\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
      I.\u9009\u624b\u673a\u53f7<\/h2>\n\n\n\n
      \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
      \n
      \u67d0\u540c\u5b66\u51c6\u5907\u9009\u4e00\u4e2a\u624b\u673a\u53f7\uff0c\u5bf9\u624b\u673a\u53f7\u7801\u7684\u8981\u6c42\u662f\uff1a\u53f7\u7801\u4e2d\u7684\u5c3e\u6570\u4e3a66\u621688\uff0c\u4e14\u53f7\u7801\u4e2d\u6ca1\u6709\u6570\u5b574\u3002\u624b\u673a\u53f7\u7801\u4e3a11\u4f4d\u6570\u5b57\u3002
      \u5224\u65ad\u624b\u673a\u53f7\u7801\u662f\u5426\u7b26\u5408\u8981\u6c42\u9700\u8981\u4e13\u95e8\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u51fd\u6570\u9996\u90e8\u5b9a\u4e49\u4e3a\uff1aint isLucky(long long phone)\uff1b\u8be5\u51fd\u6570\u8fd4\u56de\u503c\u4e3a1\u62160\u3002\u8bf7\u5728\u4e0b\u9762\u4ee3\u7801\u7684\u57fa\u7840\u4e0a\uff0c\u5c06\u51fd\u6570\u5b9a\u4e49\u7684\u4ee3\u7801\u8865\u5145\u5b8c\u6574\u3002<\/p>\n\n\n\n
      #include<stdio.h>\nint isLucky(long long phone);\nint main(void)\n{\n\tlong long phone;\n\tscanf(\"%lld\",&phone);\n\tif(isLucky(phone))\t\n\t\tprintf(\"This is a lucky phone number\\n\");\n\telse\n\t\tprintf(\"This is not a lucky phone number\\n\");\n\treturn 0;\n}\n\n\/\/\u4e0b\u9762\u7f16\u5199\u51fd\u6570\u5b9a\u4e49\u7684\u4ee3\u7801 <\/code><\/pre>\n<\/blockquote>\n\n\n\n
      \u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      \u8f93\u5165\u4e00\u4e2a11\u4f4d\u6570\u5b57\u6784\u6210\u7684\u624b\u673a\u53f7\u7801\u3002\u6ce8\u610f\uff0c\u957f\u5ea6\u4e3a11\u4f4d\u7684\u6574\u6570\u9700\u8981\u7528long long\u7c7b\u578b\u7684\u53d8\u91cf\u5b58\u50a8\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      \u68c0\u67e5\u8f93\u5165\u7684\u624b\u673a\u53f7\u7801\uff0c\u5982\u679c\u662f\u7b26\u5408\u8981\u6c42\u7684\u624b\u673a\u53f7\u7801\uff0c\u8f93\u51fa”This is a lucky phone number”\uff0c\u5426\u5219\u8f93\u51fa”This is not a lucky phone number”<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      18607324688<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      This is not a lucky phone number<\/p>\n<\/blockquote>\n\n\n\n
      \u53ea\u9700\u8981\u4f60\u7f16\u5199\u4e00\u4e2a\u5224\u65ad\u7684\u51fd\u6570\uff0c\u6839\u636e\u9898\u610f\uff0c\u6ee1\u8db33\u4e2a\u6761\u4ef6\u7684\u5c31\u662f\u5e78\u8fd0\u624b\u673a\u53f7\u4e86\uff1a\u53f7\u7801\u4e2d\u7684\u5c3e\u6570\u4e3a66\u621688\uff0c\u4e14\u53f7\u7801\u4e2d\u6ca1\u6709\u6570\u5b574\u3002\u624b\u673a\u53f7\u7801\u4e3a11\u4f4d\u6570\u5b57\u3002<\/strong><\/p>\n\n\n\n
      \u53ef\u4ee5\u91c7\u7528\u4e0d\u65ad\u5730\u5c06phone = phone\/10<\/code>\u76f4\u5230phone == 0<\/code>\u6765\u8ba1\u7b97phone\u6709\u591a\u5c11\u4f4d\u6570\uff0c\u5728\u6b64\u671f\u95f4\u53ef\u4ee5\u4f7f\u7528\u6a21\u8fd0\u7b97\u628aphone\u7684\u6bcf\u4e00\u4f4d\u662f\u4ec0\u4e48\u6570\u5b57\u6c42\u51fa\u6765\uff1aint num = phone%10<\/code>\u3002<\/p>\n\n\n\n
      \u4e3a\u4ec0\u4e48\u53ef\u4ee5\u6c42\u6bcf\u4e00\u4f4d\u5462\uff0c\u56e0\u4e3a\u5f53\u4f60\u6a21\u8fc7\u4e00\u6b21\uff0c\u5f97\u51faphone\u7684\u6700\u540e\u4e00\u4f4d\u6570\u540e\u518d\u628a\u4ed6\/10\uff0cphone\u7684\u6700\u540e\u4e00\u4f4d\u5c31\u6ca1\u4e86\uff08\u8fd8\u8bb0\u5f97\u524d\u9762\u5199D\u9898\u7684\u65f6\u5019\u63d0\u5230\u7684int\/int\u8fd8\u662fint<\/strong>\u5417\uff09\uff0c\u6b64\u65f6\u518d\u6a21\uff0c\u5f97\u5230\u7684\u5c31\u662f\u539f\u672cphone\u7684\u5012\u6570\u7b2c\u4e8c\u4f4d\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230phone\u7684\u6bcf\u4e00\u4f4d\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u770bphone\u662f\u4e0d\u662f\u54ea\u4e00\u4f4d\u662f4\uff0c\u4e5f\u53ef\u4ee5\u5f88\u7b80\u5355\u7684\u5224\u65ad\u6700\u540e\u4e24\u4f4d\u662f\u4e0d\u662f66\u6216\u800588<\/p>\n\n\n\n
      int isLucky(long long phone){\n    int length = 2;\n    int last1 = phone%10;\n    if(last1 == 4){\n        return 0;\n    }\n    phone\/=10;\n    int last2 = phone%10;\n    if(last2 == 4){\n        return 0;\n    }\n    phone\/=10;\n    \/\/cout << last2 << last1 << endl;\n    if(last1 == last2&&(last1 == 6||last1 == 8)){\n        \n    }else{\n        return 0;\n    }\n    while(phone){\n        if(phone%10 == 4){\n            return 0;\n        }\n        length++;\n        phone\/=10;\n        \n    }\n    \/\/cout << length;\n    if(length == 11){\n        return 1;\n    }else{\n        return 0;\n    }\n}<\/code><\/pre>\n\n\n\n
      J.\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b<\/h2>\n\n\n\n
      \u9898\u76ee\u63cf\u8ff0\uff1a<\/p>\n\n\n\n
      \n
      \u5199\u4e00\u4e2aC\u7a0b\u5e8f\u6c42\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u7684\u6839\u3002\u65b9\u7a0b\u7684\u57fa\u672c\u5f62\u5f0f\u5982\u4e0b\uff1a
      ax op1 b=cx op2 d<\/p>\n\n\n\n
      a\u3001b\u3001c\u3001d\u5747\u4e3a\u5927\u4e8e1\u4e14\u4e0d\u8d85\u8fc7100\u7684\u6574\u6570,\u5176\u4e2da-c\u4e0d\u7b49\u4e8e0\uff0cop1\u548cop2\u4e3a\u2018+\u2019\u6216’-‘\u3002\u7b49\u5f0f\u7684\u4e00\u4fa7\u6700\u591a\u4e24\u9879\uff0c\u6700\u5c11\u4e00\u9879\u3002\u7b49\u53f7\u4e24\u8fb9\u7684px op q\u4e5f\u53ef\u80fd\u5199\u6210q op px\u3002\u53e6\u5916\uff0c\u65b9\u7a0b\u4e2d\u53ef\u80fd\u6709\u7a7a\u683c\u3002<\/p>\n\n\n\n
      \u4e0b\u9762\u662f\u51e0\u4e2a\u65b9\u7a0b\u7684\u4f8b\u5b50\uff1a
      2x+2=3x+3
      2 x + 2 = 4 – 3 x
      2-5x = 2
      2=4x
      4x=2<\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      \u4e00\u4e2a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\u3002\u5176\u4e2d30%\u7684\u6570\u636e\u662fax=b\u7684\u5f62\u5f0f\uff0c\u4e0d\u4f1a\u505a\u590d\u6742\u7684\u53ef\u4ee5\u53ea\u6309\u8fd9\u79cd\u65b9\u5f0f\u5904\u7406<\/strong><\/p>\n<\/blockquote>\n\n\n\n
      \u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      \u8f93\u51fa\u5982”x=root”\u7684\u5f62\u5f0f\u3002\u6839\u4e3a\u6574\u6570\u76f4\u63a5\u8f93\u51fa\uff0c\u5982\u679c\u4e3a\u5206\u6570\u5219\u8f93\u51fa\u6700\u7b80\u5206\u6570\u5f62\u5f0f\u3002<\/p>\n\n\n\n
      \u6837\u4f8b\u8f93\u51651
      3x+2=2x+4
      \u6837\u4f8b\u8f93\u51fa1
      x=2


      \u6837\u4f8b\u8f93\u51652
      3-6x=6
      \u6837\u4f8b\u8f93\u51fa2
      x=-1\/2

      \u6837\u4f8b\u8f93\u51653
      2=4x
      \u6837\u4f8b\u8f93\u51fa3
      x=1\/2<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u5165\uff1a<\/p>\n\n\n\n
      \n
      3x+2=2x+4<\/p>\n<\/blockquote>\n\n\n\n
      \u6837\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
      \n
      x=2<\/p>\n<\/blockquote>\n\n\n\n
      \u91cd\u91cf\u7ea7\u6bd4\u8f83\u5927\u7684\u6a21\u62df\u9898<\/p>\n\n\n\n
      \u8003\u8651\u628a\u95ee\u9898\u7b80\u5316\u6210\u5982\u679c\u53ea\u6709ax+b=cx+d\u7684\u5f62\u5f0f\uff0c\u53ea\u9700\u8981\u5206\u522b\u6c42\u51faa\uff0cb\uff0cc\uff0cd\u5c31\u53ef\u4ee5\u5f88\u7b80\u5355\u7684\u6c42\u51fa\u6700\u7ec8\u7ed3\u679c\uff0c\u4f46\u662f\u8f93\u5165\u7684\u683c\u5f0f\u53ef\u80fd\u4f1a\u6709\u7a7a\u683c\uff0c\u53ef\u80fd\u4f1a\u662fb+ax=d+cx\u7684\u5f62\u5f0f\uff0c\u6240\u4ee5\u9700\u8981\u5224\u65ad\u3002<\/p>\n\n\n\n
      \u8fd9\u8fb9\u6211\u628a\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u7684\u7a7a\u683c\u5168\u90e8\u53bb\u6389\u6362\u6210\u4e00\u4e2a\u65b0\u4e32\u4e86\uff1a<\/p>\n\n\n\n
      string tool,s = {};\n    getline(cin, tool);\n    for(int i = 0;i<tool.size();i++){\n        if(tool[i]!=' '){\n            s += tool[i];\n        }\n    }<\/code><\/pre>\n\n\n\n
      tool\u662f\u8bfb\u5165\u7684\u5b57\u7b26\u4e32\uff0cs\u662f\u53bb\u6389\u4e86\u7a7a\u683c\u540e\u7684<\/p>\n\n\n\n
      \u5173\u4e8e\u5c06\u6570\u5b57\u5b57\u7b26\u8f6c\u6362\u6210\u6570\u5b57\uff0c\u7528int num = ch-'0'<\/code>\u5c31\u53ef\u4ee5\u4e86\uff0c\u4f46\u662f\u9898\u76ee\u8bf4a\uff0cb\uff0cc\uff0cd\u662f\u5927\u4e8e1\u4e14\u4e0d\u8d85\u8fc7100\u7684\u6574\u6570\uff0c\u624d\u4e0d\u662f\u4e00\u4f4d\u6570\u5462\uff0c\u6240\u4ee5\u7b97num\u65f6\u53ef\u4ee5\u8fd9\u6837\uff1a<\/p>\n\n\n\n
      if(s[i]>='0'&&s[i]<='9'){\n    num*=10;\n    num+=s[i]-'0';\n}<\/code><\/pre>\n\n\n\n
      \u73b0\u5728\u601d\u8003\u4ec0\u4e48\u65f6\u5019\u628anum\u8d4b\u503c\u7ed9a\uff0cb\uff0cc\uff0cd\uff0c\u8d4b\u503c\u7684\u65f6\u5019\u5e94\u8be5\u8d4b\u503c\u7ed9\u8c01<\/p>\n\n\n\n
        \n
      • \u5f53\u5728\u5904\u7406\u201c=\u201d\u4e4b\u524d\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u80af\u5b9a\u662f\u8d4b\u503c\u7ed9a\u548cb\uff1b\u5f53\u5728\u5904\u7406\u201c=\u201d\u4e4b\u540e\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u80af\u5b9a\u662f\u8d4b\u503c\u7ed9c\u548cd<\/li>\n\n\n\n
      • \u5728\u201c=\u201d\u4e4b\u524d\u65f6\uff0c\u5f53\u78b0\u5230\u201cx\u201d\u7684\u65f6\u5019\uff0c\u80af\u5b9a\u8d4b\u503c\u7ed9a\uff0c\u5f53\u78b0\u5230\u201c+\u201d\uff0c\u201c-\u201d\uff0c\u201c=\u201d\u7684\u65f6\u5019\uff0c\u8d4b\u503c\u7ed9b\uff0c\u4f46\u662f\u5f53\u78b0\u5230\u201c=\u201d\u4e14\u201c=\u201d\u524d\u4e00\u4e2a\u5b57\u7b26\u662f\u201cx\u201d\u7684\u65f6\u5019\u5c31\u4e0d\u5904\u7406b\uff0c\u56e0\u4e3a\u80af\u5b9a\u662fb+ax=\u7684\u5f62\u5f0f\uff0c\u6240\u4ee5b\u5df2\u7ecf\u5728\u78b0\u5230\u201c+\u201c\u7684\u65f6\u5019\u88ab\u8d4b\u503c\u4e86\uff0c\u8fd9\u6837\u907f\u514d\u91cd\u65b0\u8d4b\u503c\u628a\u6b63\u786e\u7684b\u641e\u6ca1\u4e86<\/li>\n\n\n\n
      • \u5728\u201c=\u201d\u53f7\u4e4b\u540e\uff0c\u5f53\u78b0\u5230\u201cx\u201c\u7684\u65f6\u5019\uff0c\u80af\u5b9a\u8d4b\u503c\u7ed9c\uff0c\u5f53\u78b0\u5230\u201c+\u201d\uff0c\u201c-\u201d\u7684\u65f6\u5019\uff0c\u8d4b\u503c\u7ed9d\uff0c\u4f46\u662f\u6ce8\u610f=cx+d\u7684\u5f62\u5f0f\uff0c\u6700\u540e\u5f97\u51fa\u4e86d\u7684\u503c\u5374\u4e0d\u80fd\u7ed9\u4ed6\u8d4b\u503c\uff08\u56e0\u4e3a\u6ca1\u6709\u5224\u65ad\u6761\u4ef6\u4e86\uff09\u6240\u4ee5\u5728\u6700\u540e\u7279\u522b\u5173\u6ce8\u4e00\u4e0bd\uff0c\u5982\u679cd\u6ca1\u6709\u503c\u5c31\u628anum\u8d4b\u503c\u7ed9\u4ed6\uff08\u662f0\u4e5f\u6ca1\u5173\u7cfb\uff09<\/li>\n\n\n\n
      • \u5f53\u78b0\u5230\u201c-\u201d\u7684\u65f6\u5019\u6ce8\u610f\u4e0b\u4e00\u6b21\u8d4b\u503c\u7ed9a\uff0cb\uff0cc\uff0cd\u7684\u503c\u5e94\u5f53\u662f\u8d1f\u6570<\/li>\n<\/ul>\n\n\n\n
        \u90a3\u4e48\u5c31\u6c42\u51fa\u4e86a\uff0cb\uff0cc\uff0cd\u4e86\uff0c\u8fd0\u7528\u5c0f\u5b66\u6570\u5b66\u77e5\u8bc6\uff0cx\u7684\u503c\u5c31\u662f(d-b)\/(a-c)\uff0c\u8fd9\u8fb9\u53ef\u4ee5\u770b\u6211\u7684\u4ee3\u7801\u5b66\u5b66\u628a\u5206\u5f0f\u7ea6\u5206<\/p>\n\n\n\n
        \u7ec6\u5fc3\u8003\u8651\u4e0b\uff0c\u505a\u51fa\u6765\u4e5f\u4e0d\u96be<\/p>\n\n\n\n
        \u53c2\u8003\u4ee3\u7801\uff1a<\/p>\n\n\n\n
        #include<iostream>\n#include<cstring>\n#include<cmath>\nusing namespace std;\nint gcd(int a,int b)\n{\n    a = abs(a);\n    b = abs(b);\n    if(a < b) swap(a,b);\n    return b?gcd(b,a%b):a;\n}\nint main() {\n    string tool,s = {};\n    getline(cin, tool);\n    for(int i = 0;i<tool.size();i++){\n        if(tool[i]!=' '){\n            s += tool[i];\n        }\n    }\n    \n    \/\/cout << s << endl;\n    int a = 0,b = 0,equal = 0,c = 0,d = 0;\n    int num = 0;\n    int flag = 1;\n    for(int i = 0;i<s.size();i++){\n        if(equal == 0){\n            if(s[i]>='0'&&s[i]<='9'){\n                num*=10;\n                num+=s[i]-'0';\n            }else if(s[i] == 'x'){\n                a = num*flag;\n                num = 0;\n                flag = 1;\n            }else if(s[i] == '-'){\n                b = num*flag;\n                flag = -1;\n                num = 0;\n            }else if(s[i] == '+'){\n                b = num*flag;\n                num = 0;\n                flag = 1;\n            }else if(s[i] == '='){\n                equal = 1;\n                if(s[i-1]!='x'){\n                    b = num*flag;\n                    num = 0;\n                    flag = 1;\n                }\n            }\n        }else{\n            if(s[i]>='0'&&s[i]<='9'){\n                num*=10;\n                num+=s[i]-'0';\n            }else if(s[i] == 'x'){\n                c = num*flag;\n                num = 0;\n                flag = 1;\n            }else if(s[i] == '-'){\n                d = num*flag;\n                flag = -1;\n                num = 0;\n            }else if(s[i] == '+'){\n                d = num*flag;\n                num = 0;\n                flag = 1;\n            }\n        }\n    }\n    if(!d){\n        d = num*flag;\n    }\n    \/\/cout << a << 'x' << b << '=' << c << 'x' << d << endl;\n    int mom = a-c;\n    int son = d-b;\n    double x = son*1.00\/mom;\n    \/\/cout << x << (int)x;\n    if((int)x == x) {\n        if(x == 0){\n            cout << \"x=0\" << endl;\n        }else{\n            cout << \"x=\" << x << endl;\n        }\n    }else{\n        int chu = gcd(son,mom);\n        son\/=chu;\n        mom\/=chu;\n        if(son*mom>0){\n            cout << \"x=\" << abs(son) << \"\/\" << abs(mom) << endl;\n        }else{\n            cout << \"x=-\" << abs(son) << \"\/\" << abs(mom) << endl;\n        }\n    }\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n
        \u8fd9\u8fb9\u5e86\u5e78\u4e0b\u8fd8\u597dabcd\u90fd\u5927\u4e8e1\uff0c\u4e0d\u7136\u8981\u662f\u51fa\u4e2ax=2\uff0c\u6211\u7684\u4ee3\u7801\u90fd\u4e0d\u77e5\u9053a=1\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u60c5\u51b5\u7279\u5224\u4e00\u4e0b\u5c31\u53ef\u4ee5\u4e86<\/p>\n\n\n\n
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