{"id":94,"date":"2026-03-15T16:16:36","date_gmt":"2026-03-15T08:16:36","guid":{"rendered":"https:\/\/www.caldm.cn\/?p=94"},"modified":"2026-03-15T16:16:36","modified_gmt":"2026-03-15T08:16:36","slug":"c6-%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.caldm.cn\/index.php\/2026\/03\/15\/c6-%e6%8e%a7%e5%88%b6\/","title":{"rendered":"C6 \u63a7\u5236"},"content":{"rendered":"\n

1. if<\/code>\u8bed\u53e5\uff1a\u57fa\u7840\u7684\u6761\u4ef6\u5206\u652f<\/h2>\n\n\n\n

if<\/code>\u8bed\u53e5\u88ab\u79f0\u4e3a\u5206\u652f\u8bed\u53e5<\/strong>\uff08branching statement<\/em>\uff09\u6216\u9009\u62e9\u8bed\u53e5<\/strong>\uff08selection statement<\/em>\uff09\uff0c\u5b83\u76f8\u5f53\u4e8e\u4e00\u4e2a\u4ea4\u53c9\u70b9\uff0c\u7a0b\u5e8f\u8981\u5728\u4e24\u6761\u5206\u652f\u4e2d\u9009\u62e9\u4e00\u6761\u6267\u884c\u3002<\/p>\n\n\n\n

if<\/code>\u8bed\u53e5\u7684\u901a\u7528\u5f62\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n

if (expression)\n    statement\n<\/code><\/pre>\n\n\n\n
\u5982\u679c\u5bf9expression<\/code>\u6c42\u503c\u4e3a\u771f\uff0c\u5219\u6267\u884cstatemetn<\/code>\uff0c\u5426\u5219\uff0c\u8df3\u8fc7statement<\/code>\u3002<\/p>\n\n\n\n
if<\/code>\u8bed\u53e5\u548cwhile<\/code>\u8bed\u53e5\u7684\u7ed3\u6784\u76f8\u4f3c\uff0c\u5176expression<\/code>\u90fd\u53ef\u4ee5\u662f\u7b80\u5355\u8bed\u53e5\u6216\u590d\u5408\u8bed\u53e5\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0cif<\/code>\u8bed\u53e5\u53ea\u6d4b\u8bd5\u548c\u6267\u884c\u4e00\u6b21\uff0c\u800cwhile<\/code>\u8bed\u53e5\u53ef\u4ee5\u6d4b\u8bd5\u548c\u6267\u884c\u591a\u6b21\u3002<\/p>\n\n\n\n
2. if else<\/code>\u8bed\u53e5\uff1a\u4e8c\u9009\u4e00\u7ed3\u6784<\/h2>\n\n\n\n
\u57fa\u7840\u7684if<\/code>\u8bed\u53e5\u8ba9\u7a0b\u5e8f\u9009\u62e9\u201c\u6267\u884c\u201d\u6216\u201c\u8df3\u8fc7\u201d\u4e00\u6761\u8bed\u53e5\uff0c\u800cif else<\/code>\u8bed\u53e5\u5219\u63d0\u4f9b\u4e86\u771f\u6b63\u7684\u201c\u4e8c\u9009\u4e00\u201d\u80fd\u529b\u3002<\/p>\n\n\n\n
if else<\/code>\u8bed\u53e5\u7684\u901a\u7528\u5f62\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n
if (expression)\n    statement1\nelse\n    statemetn2\n<\/code><\/pre>\n\n\n\n
\u5982\u679cexpression<\/code>\u6c42\u503c\u4e3a\u771f\uff0c\u5219\u6267\u884cstatement1<\/code>\uff0c\u5426\u5219\u6267\u884cstatement2<\/code>\u3002<\/p>\n\n\n\n
2.1 \u5b9e\u73b0\u591a\u91cd\u9009\u62e9\uff1aelse if<\/code><\/h3>\n\n\n\n
\u5f53\u9700\u8981\u4ece\u591a\u4e2a\u6761\u4ef6\u4e2d\u9009\u62e9\u4e00\u4e2a\u6267\u884c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528else if<\/code>\uff0c\u5b83\u662fif else<\/code>\u7684\u53d8\u5f0f\u3002C99\u6807\u51c6\u8981\u6c42\u7f16\u8bd1\u5668\u81f3\u5c11\u652f\u6301127\u5c42<\/strong>\u5d4c\u5957\u3002<\/p>\n\n\n\n
\u65b9\u5f0f\u4e00\uff1a\u6807\u51c6\u5d4c\u5957<\/em><\/p>\n\n\n\n
if (expression1)\n    statement1\nelse\n    if(expression2)\n        statement2\n    else\n        statement3\n<\/code><\/pre>\n\n\n\n
\u65b9\u5f0f\u4e8c\uff1aelse if<\/code>\u5199\u6cd5<\/em><\/p>\n\n\n\n
if (expression1)\n    statement1\nelse if(expression2)\n    statement2\nelse\n    statement3\n<\/code><\/pre>\n\n\n\n
\u65b9\u5f0f\u4e00\u548c\u65b9\u5f0f\u4e8c\u5728\u903b\u8f91\u4e0a\u5b8c\u5168\u7b49\u4ef7<\/strong>\u3002\u65b9\u5f0f\u4e8c\u7684\u5199\u6cd5\u66f4\u6e05\u6670\uff0c\u662f\u66f4\u5e38\u7528\u7684\u98ce\u683c\u3002<\/p>\n\n\n\n
2.2 \u6ce8\u610f\u4e8b\u9879\uff1aelse<\/code>\u4e0eif<\/code>\u7684\u914d\u5bf9\u89c4\u5219<\/h3>\n\n\n\n
\u5f53\u4ee3\u7801\u4e2d\u51fa\u73b0\u591a\u4e2aif<\/code>\u548celse<\/code>\u65f6\uff0c\u7f16\u8bd1\u5668\u9075\u5faa \u201c\u6700\u8fd1\u5339\u914d\u201d<\/strong>\u200b \u539f\u5219\uff1aelse<\/code>\u603b\u662f\u4e0e\u5b83\u524d\u9762\u6700\u8fd1\u7684\u3001\u4e14\u5c1a\u672a\u914d\u5bf9\u7684if<\/code><\/strong>\u200b \u8fdb\u884c\u914d\u5bf9\u3002\u7f16\u5199\u5d4c\u5957\u6761\u4ef6\u65f6\uff0c\u4f7f\u7528\u82b1\u62ec\u53f7{}<\/code>\u660e\u786e\u4ee3\u7801\u5757\u8303\u56f4\u662f\u907f\u514d\u6b67\u4e49\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n\n\n\n
3. \u903b\u8f91\u8fd0\u7b97\u7b26\uff1a\u6784\u5efa\u590d\u6742\u6761\u4ef6<\/h2>\n\n\n\n
\u4e3a\u4e86\u8868\u8fbe\u201c\u4e14\u201d\u3001\u201c\u6216\u201d\u3001\u201c\u975e\u201d\u7b49\u590d\u6742\u7684\u903b\u8f91\u5173\u7cfb\uff0cC\u8bed\u8a00\u63d0\u4f9b\u4e86\u903b\u8f91\u8fd0\u7b97\u7b26\u3002<\/p>\n\n\n\n
\u903b\u8f91\u8fd0\u7b97\u7b26<\/th>\u610f\u4e49<\/th><\/tr><\/thead>
&&<\/code><\/td>\u4e0e<\/td><\/tr>
||<\/td>\u6216<\/td><\/tr>
!<\/code><\/td>\u975e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u26a0\ufe0f\u63d0\u793a<\/strong>\uff1a\u5f53\u7a0b\u5e8f\u5305\u542biso646.h<\/code>\u5934\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528and<\/code>\u4ee3\u66ff&&<\/code>\u3001or<\/code>\u4ee3\u66ff||<\/code>\u3001not<\/code>\u4ee3\u66ff!<\/code>\u3002<\/p>\n\n\n\n
3.1 \u903b\u8f91\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<\/h3>\n\n\n\n
    \n
  • !<\/code>\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e\u4e58\u6cd5\u8fd0\u7b97\u7b26\uff0c\u4e0e\u9012\u589e\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u76f8\u540c\uff0c\u53ea\u6bd4\u5706\u62ec\u53f7\u7684\u4f18\u5148\u7ea7\u4f4e\u3002<\/li>\n\n\n\n
  • &&<\/code>\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e||<\/code>\u8fd0\u7b97\u7b26<\/li>\n\n\n\n
  • &&<\/code>\u548c||<\/code>\u7684\u4f18\u5148\u7ea7\u90fd\u6bd4\u5173\u7cfb\u8fd0\u7b97\u7b26\u4f4e\uff0c\u6bd4\u8d4b\u503c\u8fd0\u7b97\u7b26\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n
    \u793a\u4f8b<\/em><\/p>\n\n\n\n
    a > b && b > c || b > d\n\/\/ \u76f8\u5f53\u4e8e ((a > b) && (b > c)) || (b > d)\n<\/code><\/pre>\n\n\n\n
    3.2 \u6c42\u503c\u987a\u5e8f\u4e0e\u77ed\u8def\u6c42\u503c<\/h3>\n\n\n\n
    \u9664\u4e24\u4e2a\u8fd0\u7b97\u7b26\u5171\u4eab\u540c\u4e00\u4e2a\u8fd0\u7b97\u5bf9\u8c61\u7684\u60c5\u51b5\u5916\uff0cC\u5e76\u4e0d\u4fdd\u8bc1\u5148\u5bf9\u590d\u6742\u8fd0\u7b97\u8868\u8fbe\u5f0f\u7684\u54ea\u90e8\u5206\u5148\u6c42\u503c\uff1a<\/p>\n\n\n\n
    apples = (5 + 3) + (9 + 6);<\/code><\/p>\n\n\n\n
    C\u5e76\u4e0d\u4fdd\u8bc1\u5148\u6c42\u503c(5 + 3)<\/code>\u8fd8\u662f\u5148\u6c42\u503c(9 + 6)<\/code>\uff0cC\u5c06\u51b3\u5b9a\u6743\u4ea4\u7ed9\u7f16\u8bd1\u5668\u7684\u5b9e\u73b0\u8005\uff0c\u4ee5\u4fbf\u9488\u5bf9\u7279\u5b9a\u7cfb\u7edf\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n\n\n\n
    \u4f46\u662fC\u4fdd\u8bc1\u903b\u8f91\u8868\u8fbe\u5f0f\u7684\u6c42\u503c\u987a\u5e8f\u662f\u4ece\u5de6\u5230\u53f3<\/strong>\uff0c&&<\/code>\u548c||<\/code>\u90fd\u662f\u5e8f\u5217\u70b9\uff0c\u5f53C\u53d1\u73b0\u67d0\u4e2a\u5143\u7d20\u8ba9\u6574\u4e2a\u8868\u8fbe\u5f0f\u65e0\u6548\uff0c\u4fbf\u7acb\u5373\u505c\u6b62\u6c42\u503c\u3002<\/p>\n\n\n\n
    \n
    \u77ed\u8def\u6c42\u503c<\/strong>\uff08short-circuit evaluation<\/em>\uff09\u662f\u4e00\u79cd\u5728\u903b\u8f91\u8fd0\u7b97\u4e2d\u5e38\u7528\u7684\u4f18\u5316\u6280\u672f\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff0c\u5f53\u903b\u8f91\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u5df2\u7ecf\u53ef\u4ee5\u786e\u5b9a\u65f6\uff0c\u7acb\u5373\u505c\u6b62\u8ba1\u7b97\u5269\u4f59\u7684\u90e8\u5206\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/blockquote>\n\n\n\n
    4. \u6761\u4ef6\u8fd0\u7b97\u7b26\uff1a?:<\/code>\uff1a\u7b80\u6d01\u7684\u4e8c\u9009\u4e00\u8868\u8fbe\u5f0f<\/h2>\n\n\n\n
    C\u63d0\u4f9b\u6761\u4ef6\u8fd0\u7b97\u7b26<\/strong>\uff08conditional expression<\/em>\uff09\u4f5c\u4e3a\u8868\u8fbeif else<\/code>\u8bed\u53e5\u7684\u4e00\u79cd\u4fbf\u6377\u65b9\u5f0f\uff0c\u8be5\u8868\u8fbe\u5f0f\u4f7f\u7528?:<\/code>\u6761\u4ef6\u8fd0\u7b97\u7b26\u3002\u8be5\u8fd0\u7b97\u7b26\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff0c\u9700\u8981\u4e09\u4e2a\u5bf9\u8c61\uff0c\u5c5e\u4e8e\u4e09\u5143\u8fd0\u7b97\u7b26\u3002<\/p>\n\n\n\n
    \u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u901a\u7528\u5f62\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n
    expression1 ? expression2 : expression3\n<\/code><\/pre>\n\n\n\n
    \u5982\u679cexpression1<\/code>\u6c42\u503c\u4e3a\u771f\uff0c\u5219\u6267\u884cexpression2<\/code>\uff0c\u5426\u5219\u6267\u884cexpression3<\/code>\u3002<\/p>\n\n\n\n
    5. \u5faa\u73af\u8f85\u52a9\uff1acontinue<\/code>\u548cbreak<\/code><\/h2>\n\n\n\n
    \u5728\u5faa\u73af\u7ed3\u6784\u4e2d\uff0ccontinue<\/code>\u548cbreak<\/code>\u8bed\u53e5\u63d0\u4f9b\u4e86\u66f4\u7cbe\u7ec6\u7684\u6d41\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n
    5.1 continue<\/code>\u8bed\u53e5<\/h3>\n\n\n\n
    \u5f53\u6267\u884c\u5230continue<\/code>\u8bed\u53e5\u65f6\uff0c\u4f1a\u8df3\u8fc7\u672c\u6b21\u8fed\u4ee3\u7684\u5269\u4f59\u90e8\u5206\uff0c\u76f4\u63a5\u8fdb\u5165\u5faa\u73af\u7684\u6761\u4ef6\u5224\u65ad\u90e8\u5206<\/strong>\uff0c\u5f00\u59cb\u4e0b\u4e00\u6b21\u5faa\u73af\u8fed\u4ee3\u3002<\/p>\n\n\n\n
    5.2 break<\/code>\u8bed\u53e5<\/h2>\n\n\n\n
    \u5f53\u6267\u884c\u5230break<\/code>\u8bed\u53e5\u65f6\uff0c\u4f1a\u7acb\u5373\u7ec8\u6b62\u5f53\u524d\u6240\u5728\u7684\u5faa\u73af<\/strong>\uff0c\u5e76\u7ee7\u7eed\u6267\u884c\u8be5\u7ed3\u6784\u4e4b\u540e\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n
    6. \u591a\u91cd\u9009\u62e9\uff1aswitch<\/code>\u548cbreak<\/code><\/h2>\n\n\n\n
    \u5f53\u9700\u8981\u57fa\u4e8e\u4e00\u4e2a\u6574\u578b\u8868\u8fbe\u5f0f\u7684\u4e0d\u540c\u503c\u6267\u884c\u4e0d\u540c\u7684\u4ee3\u7801\u5757\u65f6\uff0cswitch<\/code>\u8bed\u53e5\u6bd4\u4e00\u957f\u4e32if else if<\/code>\u66f4\u6e05\u6670\u3001\u9ad8\u6548\u3002<\/p>\n\n\n\n
    switch<\/code>\u8bed\u53e5\u7684\u901a\u7528\u5f62\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n
    switch (expression) \/\/ expression\u5fc5\u987b\u662f\u6574\u578b\u8868\u8fbe\u5f0f\uff08\u5982int, char\uff09\n{\n    case value1:\n        statement1\n        break;\n    case value2:\n        statement2\n        break;\n    case value3:\n        statement3\n        break;\n    \u2026\u2026\n    default:\n        statementN\n}\n<\/code><\/pre>\n\n\n\n
    \u6267\u884c\u6d41\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    1. \u8ba1\u7b97switch<\/code>\u540eexpression<\/code>\u7684\u503c\u3002<\/li>\n\n\n\n
    2. \u5c06\u8ba1\u7b97\u7ed3\u679c\u4e0e\u5404\u4e2acase<\/code>\u540e\u7684\u5e38\u91cf\u503cvalue<\/code>\u8fdb\u884c\u7cbe\u786e\u5339\u914d<\/strong>\u3002<\/li>\n\n\n\n
    3. \u5339\u914d\u6210\u529f\u540e\uff0c\u7a0b\u5e8f\u8df3\u8f6c\u5230\u8be5case<\/code>\u6807\u7b7e\u5904\u5f00\u59cb\u6267\u884c\u4ee3\u7801\u3002<\/li>\n\n\n\n
    4. \u4e00\u76f4\u6267\u884c\uff0c\u76f4\u5230\u9047\u5230break;<\/code>\u8bed\u53e5\uff0c\u5219\u8df3\u51fa\u6574\u4e2aswitch<\/code>\u5757\u3002<\/li>\n\n\n\n
    5. \u5982\u679c\u6240\u6709case<\/code>\u90fd\u4e0d\u5339\u914d\uff0c\u5219\u6267\u884cdefault:<\/code>\u6807\u7b7e\u540e\u7684\u4ee3\u7801\uff08\u5982\u679c\u63d0\u4f9b\u4e86default<\/code>\u90e8\u5206\uff09\u3002<\/li>\n<\/ol>\n\n\n\n
      \u2757 \u5173\u952e\u7279\u6027<\/strong>\uff1acase<\/code>\u6807\u7b7e\u53ea\u51b3\u5b9a\u5165\u53e3\u70b9\uff0c\u800c\u4e0d\u662f\u4ee3\u7801\u5757\u7684\u5206\u9694\u7b26<\/strong>\u3002\u5982\u679c\u4e0d\u5728\u4e00\u4e2acase<\/code>\u7684\u4ee3\u7801\u672b\u5c3e\u6dfb\u52a0break;<\/code>\uff0c\u7a0b\u5e8f\u4f1a\u201c\u7a7f\u900f\u201d\u5230\u4e0b\u4e00\u4e2acase<\/code>\u4e2d\u7ee7\u7eed\u6267\u884c\uff0c\u76f4\u5230\u9047\u89c1break<\/code>\u6216switch<\/code>\u7ed3\u675f\u3002\u8fd9\u88ab\u79f0\u4e3a\u201ccase\u7a7f\u900f<\/strong>\u201d(fallthrough<\/em>)\u3002<\/p>\n\n\n\n
      6.1 \u591a\u91cd\u6807\u7b7e\uff1a\u5229\u7528\u201c\u7a7f\u900f\u201d\u7279\u6027<\/h3>\n\n\n\n
      \u53ef\u4ee5\u5229\u7528\u201c\u7a7f\u900f\u201d\u7279\u6027\uff0c\u8ba9\u591a\u4e2a\u4e0d\u540c\u7684case<\/code>\u503c\u5171\u4eab\u540c\u4e00\u6bb5\u6267\u884c\u4ee3\u7801\u3002<\/p>\n\n\n\n
      switch (ch) {\n    case 'a':\n    case 'A': \n        printf(\"\u4f60\u8f93\u5165\u4e86A\u3002\\n\");\n        break;\n    case 'b':\n    case 'B':\n    case 'c':\n    case 'C': \n        printf(\"\u4f60\u8f93\u5165\u4e86B\u6216C\u3002\\n\");\n        break;\n    default: \n        printf(\"\u5176\u4ed6\u8f93\u5165\u3002\\n\");\n}\n\/\/ \u4f8b\u5982\uff0c\u5f53ch\u4e3a'a'\u6216'A'\u65f6\uff0c\u90fd\u4f1a\u6267\u884c\u7b2c\u4e00\u4e2aprintf\u3002\n<\/code><\/pre>\n\n\n\n
      \u26a0\ufe0f \u63d0\u793a<\/strong>\uff1a\u4f55\u65f6\u7528switch<\/code>\uff1f\u4f55\u65f6\u7528if else<\/code>\uff1f<\/p>\n\n\n\n
        \n
      • \u7528switch<\/code>\uff1a\u5f53\u5206\u652f\u6761\u4ef6\u57fa\u4e8e\u5355\u4e2a\u6574\u578b\u6216\u679a\u4e3e\u8868\u8fbe\u5f0f<\/strong>\u4e0e\u4e00\u7cfb\u5217\u79bb\u6563\u5e38\u91cf<\/strong>\u7684\u7cbe\u786e\u5339\u914d<\/li>\n\n\n\n
      • \u7528if else<\/code>\uff1a\u5f53\u6761\u4ef6\u4e3a\u8303\u56f4\u5224\u65ad<\/strong>\uff08\u5982score > 60<\/code>\uff09\u3001\u6d6e\u70b9\u6570\u6bd4\u8f83<\/strong>\u3001\u6216\u6d89\u53ca\u591a\u4e2a\u53d8\u91cf\u7684\u590d\u6742\u903b\u8f91\u8868\u8fbe\u5f0f<\/strong>\u65f6\u3002switch<\/code>\u65e0\u6cd5\u5904\u7406\u8fd9\u4e9b\u60c5\u51b5\u3002<\/li>\n<\/ul>\n\n\n\n
        7. goto<\/code>\u8bed\u53e5<\/h2>\n\n\n\n
        goto<\/code>\u8bed\u53e5\u5141\u8bb8\u7a0b\u5e8f\u65e0\u6761\u4ef6\u5730\u8df3\u8f6c\u5230\u540c\u4e00\u51fd\u6570\u5185\u7684\u67d0\u4e2a\u6807\u7b7e\u5904\u7ee7\u7eed\u6267\u884c\u3002\u5b83\u7531\u5173\u952e\u5b57goto<\/code>\u548c\u6807\u7b7e\u540d<\/strong>\u7ec4\u6210\u3002\u6807\u7b7e\u540d\u7684\u547d\u540d\u9075\u5faa\u53d8\u91cf\u547d\u540d\u89c4\u5219\u3002<\/p>\n\n\n\n
        goto<\/code>\u8bed\u53e5\u7684\u901a\u7528\u5f62\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n
        goto label_name;  \/\/ \u8df3\u8f6c\u8bed\u53e5\n\/\/ ...\nlabel_name: statement \/\/ \u6807\u7b7e\u5b9a\u4e49\n<\/code><\/pre>\n\n\n\n
        \u793a\u4f8b\uff1a\u8df3\u51fa\u591a\u5c42\u5d4c\u5957\u5faa\u73af<\/em><\/p>\n\n\n\n
        #include <stdio.h>\n\nint main() {\n\tfor (int line = 0; line < 10; line++) {\n\t\tfor (int col = 0; col < 10; col++) {\n\t\t\tprintf(\" %d \", col + 1);\n\t\t\tif (line == 3 && col == 4) {\n\t\t\t\tgoto loop_exit; \/\/ \u6ee1\u8db3\u6761\u4ef6\u65f6\uff0c\u76f4\u63a5\u8df3\u51fa\u4e24\u5c42\u5faa\u73af\n\t\t\t}\n\t\t}\n\t\tprintf(\"\\n\");\n\t}\n\tloop_exit: printf(\"\\n\u5df2\u8df3\u51fa\u6240\u6709\u5faa\u73af\u3002\\n\"); \/\/ \u8df3\u8f6c\u76ee\u7684\u5730\n\treturn 0;\n}\n<\/code><\/pre>\n\n\n\n
        \u26a0\ufe0f \u5efa\u8bae<\/strong>\uff1agoto<\/code>\u8bed\u53e5\u4f1a\u7834\u574f\u7a0b\u5e8f\u7684\u7ed3\u6784\u5316\uff0c\u4f7f\u4ee3\u7801\u6d41\u7a0b\u96be\u4ee5\u8ddf\u8e2a\u548c\u7ef4\u62a4\u3002\u5728\u73b0\u4ee3\u7f16\u7a0b\u4e2d\uff0c\u5e94\u5c3d\u91cf\u907f\u514d\u4f7f\u7528goto<\/code><\/strong>\u3002\u5b83\u7684\u4e00\u4e2a\u53ef\u88ab\u63a5\u53d7\u7684\u6709\u9650\u7528\u9014\u662f\uff1a\u4ece\u6df1\u5ea6\u5d4c\u5957\u7684\u5faa\u73af\uff08\u5982\u4e0a\u9762\u7684\u591a\u5c42for<\/code>\u5faa\u73af\uff09\u4e2d\u4e00\u6b21\u6027\u8df3\u51fa\uff0c\u5176\u4ed6\u60c5\u51b5\u901a\u5e38\u53ef\u7528break<\/code>\u3001continue<\/code>\u3001\u51fd\u6570\u8fd4\u56de\u6216\u72b6\u6001\u6807\u5fd7\u6765\u66f4\u6e05\u6670\u5730\u5b9e\u73b0\u3002<\/p>\n\n\n\n
        <\/p>\n","protected":false},"excerpt":{"rendered":"
        1. if\u8bed\u53e5\uff1a\u57fa\u7840\u7684\u6761\u4ef6\u5206\u652f if\u8bed\u53e5\u88ab\u79f0\u4e3a\u5206\u652f\u8bed\u53e5\uff08branching statement\uff09\u6216\u9009\u62e9\u8bed\u53e5\uff08s […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[11],"class_list":["post-94","post","type-post","status-publish","format-standard","hentry","category-c-2","tag-c-2"],"_links":{"self":[{"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/posts\/94","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/comments?post=94"}],"version-history":[{"count":2,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions"}],"predecessor-version":[{"id":96,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions\/96"}],"wp:attachment":[{"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/media?parent=94"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/categories?post=94"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.caldm.cn\/index.php\/wp-json\/wp\/v2\/tags?post=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}