{"id":100949,"date":"2026-09-05T19:48:56","date_gmt":"2026-09-05T11:48:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100949.html"},"modified":"2026-09-05T19:48:56","modified_gmt":"2026-09-05T11:48:56","slug":"%e6%93%8d%e4%bd%9c%e7%ac%a6%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100949.html","title":{"rendered":"\u64cd\u4f5c\u7b26\u8be6\u89e3"},"content":{"rendered":"

\u64cd\u4f5c\u7b26\u8be6\u89e3<\/h2>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u672c\u6587\u4e00\u6b21\u6027\u68b3\u7406C\u8bed\u8a00\u6240\u6709\u6838\u5fc3\u64cd\u4f5c\u7b26，\u5305\u542b\u7b97\u672f\u3001\u5173\u7cfb\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u8d4b\u503c\u3001\u4e09\u76ee\u3001\u9017\u53f7\u516b\u5927\u7c7b，\u642d\u914d\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u5b9e\u6218\u4ee3\u7801\u3001\u6613\u9519\u70b9\u89e3\u6790\u9ad8\u9891\u573a\u666f，\u5f7b\u5e95\u89e3\u51b3\u64cd\u4f5c\u7b26\u7591\u96be\u95ee\u9898\u3002<\/p>\n

\u4e00\u3001\u64cd\u4f5c\u7b26\u6574\u4f53\u5206\u7c7b<\/h3>\n

C\u8bed\u8a00\u64cd\u4f5c\u7b26\u6309\u529f\u80fd\u5206\u4e3a8\u5927\u7c7b，\u5176\u4e2d\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u903b\u8f91\u77ed\u8def\u662f\u91cd\u96be\u70b9\u3001\u9ad8\u9891\u8003\u70b9：<\/p>\n

  • \u7b97\u672f\u64cd\u4f5c\u7b26：+\u3001-\u3001*\u3001\/\u3001%<\/li>\n
  • \u5173\u7cfb\u64cd\u4f5c\u7b26：>\u3001<\u3001>=\u3001<=\u3001==\u3001!=<\/li>\n
  • \u903b\u8f91\u64cd\u4f5c\u7b26：&&\u3001||\u3001!<\/li>\n
  • \u4f4d\u64cd\u4f5c\u7b26：&\u3001|\u3001^\u3001~（\u6838\u5fc3\u91cd\u96be\u70b9）<\/li>\n
  • \u79fb\u4f4d\u64cd\u4f5c\u7b26：<<\u3001>>（\u7b26\u53f7\u4f4d\u7279\u6b8a\u89c4\u5219）<\/li>\n
  • \u8d4b\u503c\u64cd\u4f5c\u7b26：=\u3001+=\u3001-=\u3001*=\u3001\/=\u3001&=\u3001|=\u3001^=\u3001<<=\u3001>>=<\/li>\n
  • \u4e09\u76ee\u64cd\u4f5c\u7b26：?:（\u552f\u4e00\u4e09\u76ee\u8fd0\u7b97\u7b26）<\/li>\n
  • \u9017\u53f7\u64cd\u4f5c\u7b26：,（\u4f18\u5148\u7ea7\u6700\u4f4e）<\/li>\n

    \u4e8c\u3001\u7b97\u672f\u64cd\u4f5c\u7b26<\/h3>\n

    1. \u57fa\u7840\u89c4\u5219<\/h4>\n

    \u5e38\u89c4\u52a0\u51cf\u4e58\u9664\u65e0\u7279\u6b8a\u96be\u70b9，\u6838\u5fc3\u5751\u70b9\u96c6\u4e2d\u5728 \/ \u6574\u6570\u9664\u6cd5 \u548c% \u53d6\u6a21\u8fd0\u7b97：<\/p>\n

      \n
    • \u6574\u6570\u9664\u6cd5：\u4e24\u4e2a\u6574\u6570\u76f8\u9664，\u7ed3\u679c\u5f3a\u5236\u622a\u65ad\u5c0f\u6570，\u53ea\u4fdd\u7559\u6574\u6570\u90e8\u5206<\/li>\n
    • \u53d6\u6a21\u8fd0\u7b97%：\u4ec5\u652f\u6301\u6574\u6570，\u4f59\u6570\u7b26\u53f7\u548c\u88ab\u9664\u6570\u4e00\u81f4<\/li>\n
    • % \u4e0d\u80fd\u7528\u4e8e\u6d6e\u70b9\u6570，\u7f16\u8bd1\u76f4\u63a5\u62a5\u9519<\/li>\n<\/ul>\n

      2. \u5b9e\u6218\u6848\u4f8b<\/h4>\n

      #<\/span>include<\/span> <stdio.h><\/span><\/span>
      \nint<\/span> main<\/span>(<\/span>)<\/span>
      \n{<\/span>
      \n \/\/ \u6574\u6570\u9664\u6cd5\u622a\u65ad<\/span>
      \n int<\/span> a =<\/span> 5<\/span> \/<\/span> 2<\/span>;<\/span>
      \n float<\/span> b =<\/span> 5.0<\/span> \/<\/span> 2<\/span>;<\/span> <\/p>\n

      \/\/ \u53d6\u6a21\u8fd0\u7b97\u6b63\u8d1f\u89c4\u5219<\/span>
      \n int<\/span> c1 =<\/span> 5<\/span> %<\/span> 2<\/span>;<\/span>
      \n int<\/span> c2 =<\/span> –<\/span>5<\/span> %<\/span> 2<\/span>;<\/span>
      \n int<\/span> c3 =<\/span> 5<\/span> %<\/span> –<\/span>2<\/span>;<\/span><\/p>\n

      printf<\/span>(<\/span>"5\/2 = %d\\\\n"<\/span>,<\/span> a)<\/span>;<\/span> \/\/ \u8f93\u51fa2（\u622a\u65ad\u5c0f\u6570）<\/span>
      \n printf<\/span>(<\/span>"5.0\/2 = %.1f\\\\n"<\/span>,<\/span> b)<\/span>;<\/span> \/\/ \u8f93\u51fa2.5（\u6d6e\u70b9\u6570\u8fd0\u7b97）<\/span>
      \n printf<\/span>(<\/span>"5%%2=%d\u3001-5%%2=%d\u30015%%-2=%d\\\\n"<\/span>,<\/span> c1,<\/span> c2,<\/span> c3)<\/span>;<\/span><\/p>\n

      return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      3. \u8fd0\u884c\u7ed3\u679c&\u89e3\u6790<\/h4>\n

      5\/2=2\u30015.0\/2=2.5\u30015%2=1\u3001-5%2=-1\u30015%-2=1
      \n\u6838\u5fc3\u7ed3\u8bba：\u53ea\u8981\u8fd0\u7b97\u5b58\u5728\u6d6e\u70b9\u6570，\u7ed3\u679c\u5c31\u662f\u6d6e\u70b9\u6570；\u7eaf\u6574\u6570\u9664\u6cd5\u5f3a\u5236\u53bb\u5c0f\u6570\u3002<\/p>\n

      \u4e09\u3001\u5173\u7cfb\u64cd\u4f5c\u7b26（\u5224\u65ad\u771f\u5047）<\/h3>\n

      1. \u89c4\u5219\u8bf4\u660e<\/h4>\n

      \u5173\u7cfb\u8fd0\u7b97\u7ed3\u679c\u53ea\u6709\u4e24\u4e2a：\u771f(1)\u3001\u5047(0)，\u5e38\u7528\u4e8e\u5206\u652f\u3001\u5faa\u73af\u5224\u65ad\u3002
      \n\u9ad8\u9891\u9519\u8bef：\u8fde\u7eed\u5224\u65ad\u5199\u6cd5\u9519\u8bef，\u4f8b\u5982 10 < x < 20 \u4e0d\u751f\u6548！<\/p>\n

      2. \u9519\u8befvs\u6b63\u786e\u6848\u4f8b<\/h4>\n

      #<\/span>include<\/span> <stdio.h><\/span><\/span>
      \nint<\/span> main<\/span>(<\/span>)<\/span>
      \n{<\/span>
      \n int<\/span> x =<\/span> 5<\/span>;<\/span>
      \n \/\/ \u9519\u8bef\u5199\u6cd5！\u7b49\u4ef7\u4e8e (10<x) <20，\u7ed3\u679c\u6052\u4e3a1<\/span>
      \n int<\/span> wrong =<\/span> 10<\/span> <<\/span> x <<\/span> 20<\/span>;<\/span> <\/p>\n

      \/\/ \u6b63\u786e\u5199\u6cd5：\u903b\u8f91\u4e0e\u8fde\u63a5\u4e24\u4e2a\u5224\u65ad<\/span>
      \n int<\/span> right =<\/span> (<\/span>x ><\/span> 10<\/span>)<\/span> &&<\/span> (<\/span>x <<\/span> 20<\/span>)<\/span>;<\/span><\/p>\n

      printf<\/span>(<\/span>"\u9519\u8bef\u5199\u6cd5\u7ed3\u679c：%d\\\\n"<\/span>,<\/span> wrong)<\/span>;<\/span> \/\/ \u8f93\u51fa1<\/span>
      \n printf<\/span>(<\/span>"\u6b63\u786e\u5199\u6cd5\u7ed3\u679c：%d\\\\n"<\/span>,<\/span> right)<\/span>;<\/span> \/\/ \u8f93\u51fa0<\/span>
      \n return<\/span> 0<\/span>;<\/span>
      \n}<\/span><\/p>\n

      \u56db\u3001\u903b\u8f91\u64cd\u4f5c\u7b26（\u77ed\u8def\u7279\u6027）<\/h3>\n

      1. \u6838\u5fc3\u89c4\u5219（\u77ed\u8def\u6c42\u503c）<\/h4>\n
        \n
      • A && B：\u5168\u771f\u624d\u771f，A\u4e3a\u5047，\u76f4\u63a5\u77ed\u8def，B\u4e0d\u6267\u884c<\/li>\n
      • A || B：\u4e00\u771f\u5219\u771f，A\u4e3a\u771f，\u76f4\u63a5\u77ed\u8def，B\u4e0d\u6267\u884c<\/li>\n
      • !A：\u53d6\u53cd，\u771f\u53d8\u5047\u3001\u5047\u53d8\u771f<\/li>\n<\/ul>\n

        2. \u77ed\u8def\u5b9e\u6218\u6848\u4f8b<\/h4>\n

        #<\/span>include<\/span> <stdio.h><\/span><\/span>
        \n\/\/ \u81ea\u589e\u51fd\u6570，\u7528\u4e8e\u89c2\u6d4b\u662f\u5426\u6267\u884c<\/span>
        \nvoid<\/span> test<\/span>(<\/span>int<\/span> *<\/span>p)<\/span>
        \n{<\/span>
        \n (<\/span>*<\/span>p)<\/span>++<\/span>;<\/span>
        \n}<\/span><\/p>\n

        int<\/span> main<\/span>(<\/span>)<\/span>
        \n{<\/span>
        \n int<\/span> num =<\/span> 0<\/span>;<\/span>
        \n \/\/ \u5de6\u8fb9\u4e3a\u5047，\u53f3\u8fb9\u77ed\u8def\u4e0d\u6267\u884c<\/span>
        \n if<\/span>(<\/span>0<\/span> &&<\/span> test<\/span>(<\/span>&<\/span>num)<\/span>)<\/span>{<\/span>}<\/span>
        \n printf<\/span>(<\/span>"&&\u77ed\u8def\u540enum = %d\\\\n"<\/span>,<\/span> num)<\/span>;<\/span> \/\/ num\u4e0d\u53d8，\u4ecd\u4e3a0<\/span><\/p>\n

        num =<\/span> 0<\/span>;<\/span>
        \n \/\/ \u5de6\u8fb9\u4e3a\u771f，\u53f3\u8fb9\u77ed\u8def\u4e0d\u6267\u884c<\/span>
        \n if<\/span>(<\/span>1<\/span> ||<\/span> test<\/span>(<\/span>&<\/span>num)<\/span>)<\/span>{<\/span>}<\/span>
        \n printf<\/span>(<\/span>"||\u77ed\u8def\u540enum = %d\\\\n"<\/span>,<\/span> num)<\/span>;<\/span> \/\/ num\u4e0d\u53d8，\u4ecd\u4e3a0<\/span><\/p>\n

        return<\/span> 0<\/span>;<\/span>
        \n}<\/span><\/p>\n

        \u5173\u952e\u7ed3\u8bba：\u903b\u8f91\u77ed\u8def\u4f1a\u76f4\u63a5\u8df3\u8fc7\u540e\u7eed\u4ee3\u7801，\u662f\u5f88\u591a\u9690\u5f0fbug\u7684\u6839\u6e90\u3002<\/p>\n

        \u4e94\u3001\u4f4d\u64cd\u4f5c\u7b26（\u91cd\u96be\u70b9）<\/h3>\n

        \u4f4d\u64cd\u4f5c\u7b26\u662f\u76f4\u63a5\u64cd\u4f5c\u4e8c\u8fdb\u5236\u8865\u7801，\u6240\u6709\u4f4d（\u5305\u542b\u7b26\u53f7\u4f4d）\u5168\u90e8\u53c2\u4e0e\u8fd0\u7b97，\u65e0\u7279\u6b8a\u4f18\u5f85！\u548c\u624b\u5de5\u539f\u7801\u8f6c\u53cd\u7801\u5b8c\u5168\u4e0d\u540c\u3002<\/p>\n

        1. \u56db\u5927\u4f4d\u8fd0\u7b97\u89c4\u5219<\/h4>\n
          \n
        • & \u6309\u4f4d\u4e0e：\u53cc\u53cc\u4e3a1\u624d\u4e3a1，\u5e38\u7528\u4e8e\u6e05\u96f6\u3001\u53d6\u4f4d<\/li>\n
        • | \u6309\u4f4d\u6216：\u67091\u5219\u4e3a1，\u5e38\u7528\u4e8e\u7f6e1<\/li>\n
        • ^ \u6309\u4f4d\u5f02\u6216：\u76f8\u540c\u4e3a0，\u4e0d\u540c\u4e3a1，\u53ef\u65e0\u4e34\u65f6\u53d8\u91cf\u4ea4\u6362\u6570<\/li>\n
        • ~ \u6309\u4f4d\u53d6\u53cd：\u6240\u6709\u4f4d\u5168\u90e8\u7ffb\u8f6c（\u542b\u7b26\u53f7\u4f4d），\u4e0d\u662f\u539f\u7801\u8f6c\u53cd\u7801<\/li>\n<\/ul>\n

          2. \u6838\u5fc3\u7b54\u7591<\/h4>\n

          Q：\u6309\u4f4d\u53d6\u53cd\u662f\u5426\u4f5c\u7528\u7b26\u53f7\u4f4d？
          \nA：C\u8bed\u8a00 ~ \u8fd0\u7b97\u7b26\u5168\u8986\u76d6，\u7b26\u53f7\u4f4d\u3001\u6570\u503c\u4f4d\u5168\u90e8\u7ffb\u8f6c；\u4ec5\u8bfe\u672c\u300c\u539f\u7801\u8f6c\u53cd\u7801\u300d\u662f\u4eba\u5de5\u89c4\u5219，\u7b26\u53f7\u4f4d\u4e0d\u52a8，\u548c\u4ee3\u7801\u8fd0\u7b97\u65e0\u5173\u3002
          \nQ：\u51681\u53cd\u7801\u52a01\u4f1a\u4e0d\u4f1a\u591a\u4e00\u4f4d？
          \nA：\u56fa\u5b9a\u5b57\u957f\u8fd0\u7b97，\u6ea2\u51fa\u8fdb\u4f4d\u76f4\u63a5\u4e22\u5f03，\u8865\u7801\u4f4d\u6570\u6c38\u8fdc\u4e0d\u53d8\u3002<\/p>\n

          3. \u5b9e\u6218\u6848\u4f8b1：\u4f4d\u8fd0\u7b97\u57fa\u7840\u6f14\u793a<\/h4>\n

          #<\/span>include<\/span> <stdio.h><\/span><\/span>
          \nint<\/span> main<\/span>(<\/span>)<\/span>
          \n{<\/span>
          \n \/\/ 8\u4f4d\u8865\u7801：0000 0101<\/span>
          \n int<\/span> a =<\/span> 5<\/span>;<\/span>
          \n \/\/ 8\u4f4d\u8865\u7801：0000 0011<\/span>
          \n int<\/span> b =<\/span> 3<\/span>;<\/span> <\/p>\n

          printf<\/span>(<\/span>"5 & 3 = %d\\\\n"<\/span>,<\/span> a &<\/span> b)<\/span>;<\/span> \/\/ 00000001 = 1<\/span>
          \n printf<\/span>(<\/span>"5 | 3 = %d\\\\n"<\/span>,<\/span> a |<\/span> b)<\/span>;<\/span> \/\/ 00000111 = 7<\/span>
          \n printf<\/span>(<\/span>"5 ^ 3 = %d\\\\n"<\/span>,<\/span> a ^<\/span> b)<\/span>;<\/span> \/\/ 00000110 = 6<\/span>
          \n printf<\/span>(<\/span>"~5 = %d\\\\n"<\/span>,<\/span> ~<\/span>a)<\/span>;<\/span> \/\/ 11111010(\u8865\u7801) = -6<\/span><\/p>\n

          return<\/span> 0<\/span>;<\/span>
          \n}<\/span><\/p>\n

          4. \u5b9e\u6218\u6848\u4f8b2：\u65e0\u4e34\u65f6\u53d8\u91cf\u4ea4\u6362\u4e24\u6570<\/h4>\n

          \u5229\u7528\u5f02\u6216\u4e09\u5927\u6027\u8d28：aa=0\u3001a<\/sup>0=a\u3001\u4ea4\u6362\u5f8b<\/p>\n

          #<\/span>include<\/span> <stdio.h><\/span><\/span>
          \nint<\/span> main<\/span>(<\/span>)<\/span>
          \n{<\/span>
          \n int<\/span> a =<\/span> 10<\/span>,<\/span> b =<\/span> 20<\/span>;<\/span>
          \n printf<\/span>(<\/span>"\u4ea4\u6362\u524d：a=%d, b=%d\\\\n"<\/span>,<\/span> a,<\/span> b)<\/span>;<\/span><\/p>\n

          a =<\/span> a ^<\/span> b;<\/span>
          \n b =<\/span> a ^<\/span> b;<\/span>
          \n a =<\/span> a ^<\/span> b;<\/span><\/p>\n

          printf<\/span>(<\/span>"\u4ea4\u6362\u540e：a=%d, b=%d\\\\n"<\/span>,<\/span> a,<\/span> b)<\/span>;<\/span>
          \n return<\/span> 0<\/span>;<\/span>
          \n}<\/span><\/p>\n

          5. \u5b9e\u6218\u6848\u4f8b3：\u4f4d\u6e05\u96f6\/\u7f6e\u4f4d\/\u5224\u4f4d<\/h4>\n

          #<\/span>include<\/span> <stdio.h><\/span><\/span>
          \nint<\/span> main<\/span>(<\/span>)<\/span>
          \n{<\/span>
          \n int<\/span> flag =<\/span> 0x0F<\/span>;<\/span> \/\/ 0000 1111<\/span><\/p>\n

          flag |=<\/span> (<\/span>1<\/span> <<<\/span> 4<\/span>)<\/span>;<\/span> \/\/ \u7b2c4\u4f4d\u7f6e1：0001 1111<\/span>
          \n flag &=<\/span> ~<\/span>(<\/span>1<\/span> <<<\/span> 2<\/span>)<\/span>;<\/span> \/\/ \u7b2c2\u4f4d\u6e05\u96f6：0001 1011<\/span><\/p>\n

          \/\/ \u5224\u65ad\u7b2c3\u4f4d\u662f\u5426\u4e3a1<\/span>
          \n if<\/span>(<\/span>flag &<\/span> (<\/span>1<\/span> <<<\/span> 3<\/span>)<\/span>)<\/span>
          \n {<\/span>
          \n printf<\/span>(<\/span>"\u7b2c3\u4f4d\u4e3a1\\\\n"<\/span>)<\/span>;<\/span>
          \n }<\/span><\/p>\n

          printf<\/span>(<\/span>"flag = %d\\\\n"<\/span>,<\/span> flag)<\/span>;<\/span>
          \n return<\/span> 0<\/span>;<\/span>
          \n}<\/span><\/p>\n

          \u516d\u3001\u79fb\u4f4d\u64cd\u4f5c\u7b26（\u6613\u9519\u70b9）<\/h3>\n

          1. \u89c4\u5219\u533a\u5206（\u91cd\u4e2d\u4e4b\u91cd）<\/h4>\n
            \n
          • \n

            \u5de6\u79fb <<：\u6240\u6709\u4f4d\u5de6\u79fb，\u9ad8\u4f4d\u4e22\u5f03，\u4f4e\u4f4d\u88650，x<<n \u7b49\u4ef7\u4e8e x*2^n（\u65e0\u6ea2\u51fa）<\/p>\n<\/li>\n

          • \n

            \u53f3\u79fb >>：<\/p>\n

              \n
            • \u65e0\u7b26\u53f7\u6570：\u903b\u8f91\u53f3\u79fb，\u9ad8\u4f4d\u88650<\/li>\n
            • \u6709\u7b26\u53f7\u6570：\u7b97\u672f\u53f3\u79fb，\u9ad8\u4f4d\u8865\u7b26\u53f7\u4f4d（\u8d1f\u6570\u88651，\u6b63\u6570\u88650）<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

              2. \u5b9e\u6218\u6848\u4f8b：\u6b63\u8d1f\u6570\u5b57\u79fb\u4f4d\u5dee\u5f02<\/h4>\n

              #<\/span>include<\/span> <stdio.h><\/span><\/span>
              \nint<\/span> main<\/span>(<\/span>)<\/span>
              \n{<\/span>
              \n \/\/ \u6b63\u6570\u53f3\u79fb：\u88650<\/span>
              \n int<\/span> pos =<\/span> 8<\/span>;<\/span>
              \n printf<\/span>(<\/span>"8 >> 1 = %d\\\\n"<\/span>,<\/span> pos >><\/span> 1<\/span>)<\/span>;<\/span> \/\/ 4<\/span><\/p>\n

              \/\/ \u8d1f\u6570\u53f3\u79fb：\u8865\u7b26\u53f7\u4f4d1<\/span>
              \n int<\/span> neg =<\/span> –<\/span>8<\/span>;<\/span>
              \n printf<\/span>(<\/span>"-8 >> 1 = %d\\\\n"<\/span>,<\/span> neg >><\/span> 1<\/span>)<\/span>;<\/span> \/\/ -4<\/span><\/p>\n

              \/\/ \u5de6\u79fb\u7edf\u4e00\u88650<\/span>
              \n printf<\/span>(<\/span>"3 << 2 = %d\\\\n"<\/span>,<\/span> 3<\/span> <<<\/span> 2<\/span>)<\/span>;<\/span> \/\/ 12<\/span>
              \n return<\/span> 0<\/span>;<\/span>
              \n}<\/span><\/p>\n

              \u907f\u5751：\u6709\u7b26\u53f7\u8d1f\u6570\u5de6\u79fb\u5c5e\u4e8e\u672a\u5b9a\u4e49\u884c\u4e3a，\u5de5\u7a0b\u4e2d\u7981\u6b62\u4f7f\u7528！<\/p>\n

              \u4e03\u3001\u8d4b\u503c\u3001\u4e09\u76ee\u3001\u9017\u53f7\u64cd\u4f5c\u7b26<\/h3>\n

              1. \u590d\u5408\u8d4b\u503c\u64cd\u4f5c\u7b26<\/h4>\n

              +=\u3001-=\u3001&=\u3001^=\u3001<<= \u7b49，\u8fd0\u7b97\u6548\u7387\u66f4\u9ad8，\u4ee3\u7801\u66f4\u7b80\u6d01，\u63a8\u8350\u4f18\u5148\u4f7f\u7528\u3002
              \n\u793a\u4f8b：a = a + 5 \u7b49\u4ef7\u4e8e a += 5<\/p>\n

              2. \u4e09\u76ee\u64cd\u4f5c\u7b26（\u552f\u4e00\u4e09\u76ee\u8fd0\u7b97\u7b26）<\/h4>\n

              \u8bed\u6cd5：\u6761\u4ef6 ? \u8868\u8fbe\u5f0f1 : \u8868\u8fbe\u5f0f2
              \n\u89c4\u5219：\u6761\u4ef6\u4e3a\u771f\u6267\u884c1，\u4e3a\u5047\u6267\u884c2，\u53ef\u5d4c\u5957\u3002<\/p>\n

              #<\/span>include<\/span> <stdio.h><\/span><\/span>
              \nint<\/span> main<\/span>(<\/span>)<\/span>
              \n{<\/span>
              \n int<\/span> score =<\/span> 85<\/span>;<\/span>
              \n \/\/ \u7b80\u5355\u7b49\u7ea7\u5224\u65ad<\/span>
              \n char<\/span> grade =<\/span> score>=<\/span>90<\/span> ?<\/span> 'A'<\/span> :<\/span>
              \n score>=<\/span>80<\/span> ?<\/span> 'B'<\/span> :<\/span> 'C'<\/span>;<\/span>
              \n printf<\/span>(<\/span>"\u6210\u7ee9\u7b49\u7ea7：%c\\\\n"<\/span>,<\/span> grade)<\/span>;<\/span> \/\/ B<\/span>
              \n return<\/span> 0<\/span>;<\/span>
              \n}<\/span>
              \n### 3.<\/span> \u9017\u53f7\u64cd\u4f5c\u7b26（\u4f18\u5148\u7ea7\u6700\u4f4e）
              \n\u8bed\u6cd5：\u8868\u8fbe\u5f0f1<\/span>,<\/span> \u8868\u8fbe\u5f0f2<\/span>,<\/span> \u8868\u8fbe\u5f0f3<\/span>
              \n\u89c4\u5219：\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u6267\u884c，\u6700\u7ec8\u7ed3\u679c\u4e3a\u6700\u540e\u4e00\u4e2a\u8868\u8fbe\u5f0f\u7684\u503c
              \n#<\/span>include<\/span> <stdio.h><\/span><\/span>
              \nint<\/span> main<\/span>(<\/span>)<\/span>
              \n{<\/span>
              \n int<\/span> a =<\/span> (<\/span>1<\/span>+<\/span>2<\/span>,<\/span> 3<\/span>+<\/span>4<\/span>,<\/span> 5<\/span>)<\/span>;<\/span>
              \n printf<\/span>(<\/span>"a = %d\\\\n"<\/span>,<\/span> a)<\/span>;<\/span> \/\/ \u8f93\u51fa5，\u53d6\u6700\u540e\u4e00\u4e2a\u8868\u8fbe\u5f0f\u7ed3\u679c<\/span>
              \n return<\/span> 0<\/span>;<\/span>
              \n}<\/span><\/p>\n

              \u516b\u3001\u64cd\u4f5c\u7b26\u4f18\u5148\u7ea7<\/h3>\n

              \u4e0d\u7528\u6b7b\u8bb0\u786c\u80cc，\u8bb0\u4f4f\u6838\u5fc3\u5c42\u7ea7\u5373\u53ef：<\/p>\n

            • \u6700\u9ad8：\u79fb\u4f4d\u3001\u5355\u76ee\u8fd0\u7b97（~ ! ++ –）<\/li>\n
            • \u5176\u6b21：\u7b97\u672f\u8fd0\u7b97 > \u5173\u7cfb\u8fd0\u7b97 > \u4f4d\u8fd0\u7b97 > \u903b\u8f91\u8fd0\u7b97<\/li>\n
            • \u5176\u6b21：\u4e09\u76ee\u8fd0\u7b97 > \u8d4b\u503c\u8fd0\u7b97<\/li>\n
            • \u6700\u4f4e：\u9017\u53f7\u64cd\u4f5c\u7b26
              \n\u4e07\u80fd\u907f\u5751：\u4e0d\u786e\u5b9a\u4f18\u5148\u7ea7，\u5c31\u52a0\u62ec\u53f7，\u53ef\u8bfb\u6027\u62c9\u6ee1，\u65e0\u526f\u4f5c\u7528\u3002<\/li>\n

              \u4e5d\u3001\u5168\u6587\u6838\u5fc3\u907f\u5751\u603b\u7ed3<\/h3>\n
            • \u4f4d\u8fd0\u7b97~：\u5168\u8986\u76d6\u6240\u6709\u4f4d（\u542b\u7b26\u53f7\u4f4d），\u548c\u624b\u5de5\u539f\u7801\u8f6c\u53cd\u7801\u4e0d\u662f\u4e00\u56de\u4e8b<\/li>\n
            • \u79fb\u4f4d>>：\u6709\u7b26\u53f7\u8865\u7b26\u53f7\u4f4d，\u65e0\u7b26\u53f7\u88650，\u8d1f\u6570\u5de6\u79fb\u4e0d\u89c4\u8303<\/li>\n
            • \u903b\u8f91\u77ed\u8def：&&\u5047\u77ed\u8def\u3001||\u771f\u77ed\u8def，\u540e\u7eed\u4ee3\u7801\u4e0d\u6267\u884c<\/li>\n
            • \u6574\u6570\u9664\u6cd5：\u9ed8\u8ba4\u622a\u65ad\u5c0f\u6570，\u5fc5\u987b\u6d6e\u70b9\u6570\u8fd0\u7b97\u624d\u4fdd\u7559\u5c0f\u6570<\/li>\n
            • \u4f4d\u8fd0\u7b97\u8fdb\u4f4d：\u56fa\u5b9a\u5b57\u957f\u8fd0\u7b97，\u6ea2\u51fa\u8fdb\u4f4d\u76f4\u63a5\u4e22\u5f03，\u4f4d\u6570\u4e0d\u53d8<\/li>\n","protected":false},"excerpt":{"rendered":"

              \u64cd\u4f5c\u7b26\u8be6\u89e3\u672c\u6587\u4e00\u6b21\u6027\u68b3\u7406C\u8bed\u8a00\u6240\u6709\u6838\u5fc3\u64cd\u4f5c\u7b26，\u5305\u542b\u7b97\u672f\u3001\u5173\u7cfb\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u8d4b\u503c\u3001\u4e09\u76ee\u3001\u9017\u53f7\u516b\u5927\u7c7b，\u642d\u914d\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u5b9e\u6218\u4ee3\u7801\u3001\u6613\u9519\u70b9\u89e3\u6790\u9ad8\u9891\u573a\u666f，\u5f7b\u5e95\u89e3\u51b3\u64cd\u4f5c\u7b26\u7591\u96be\u95ee\u9898\u3002
              \n\u4e00\u3001\u64cd\u4f5c\u7b26\u6574\u4f53\u5206\u7c7b
              \nC\u8bed\u8a00\u64cd\u4f5c\u7b26\u6309\u529f\u80fd\u5206\u4e3a8\u5927\u7c7b，\u5176\u4e2d\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u903b\u8f91\u77ed\u8def\u662f\u91cd\u96be\u70b9\u3001\u9ad8\u9891\u8003\u70b9：
              \n\u7b97\u672f\u64cd\u4f5c\u7b26：\u3001-\u3001*\u3001\/\u3001%\u5173\u7cfb\u64cd\u4f5c\u7b26：>\u3001\u3001<\u3001\u3001!\u903b\u8f91\u64cd\u4f5c\u7b26：&&\u3001||\u3001!\u4f4d\u64cd\u4f5c<\/p>\n","protected":false},"author":2,"featured_media":100948,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[371,427],"topic":[],"class_list":["post-100949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-371","tag-427"],"yoast_head":"\n\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/100949.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u64cd\u4f5c\u7b26\u8be6\u89e3\u672c\u6587\u4e00\u6b21\u6027\u68b3\u7406C\u8bed\u8a00\u6240\u6709\u6838\u5fc3\u64cd\u4f5c\u7b26，\u5305\u542b\u7b97\u672f\u3001\u5173\u7cfb\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u8d4b\u503c\u3001\u4e09\u76ee\u3001\u9017\u53f7\u516b\u5927\u7c7b，\u642d\u914d\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u5b9e\u6218\u4ee3\u7801\u3001\u6613\u9519\u70b9\u89e3\u6790\u9ad8\u9891\u573a\u666f，\u5f7b\u5e95\u89e3\u51b3\u64cd\u4f5c\u7b26\u7591\u96be\u95ee\u9898\u3002 \u4e00\u3001\u64cd\u4f5c\u7b26\u6574\u4f53\u5206\u7c7b C\u8bed\u8a00\u64cd\u4f5c\u7b26\u6309\u529f\u80fd\u5206\u4e3a8\u5927\u7c7b，\u5176\u4e2d\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u903b\u8f91\u77ed\u8def\u662f\u91cd\u96be\u70b9\u3001\u9ad8\u9891\u8003\u70b9： \u7b97\u672f\u64cd\u4f5c\u7b26：\u3001-\u3001*\u3001\/\u3001%\u5173\u7cfb\u64cd\u4f5c\u7b26：>\u3001\u3001<\u3001\u3001!\u903b\u8f91\u64cd\u4f5c\u7b26：&&\u3001||\u3001!\u4f4d\u64cd\u4f5c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/100949.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-05T11:48:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260905114854-6a9c01a6b1b8f.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100949.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/100949.html\",\"name\":\"\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-09-05T11:48:56+00:00\",\"dateModified\":\"2026-09-05T11:48:56+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/100949.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/100949.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100949.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u64cd\u4f5c\u7b26\u8be6\u89e3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/100949.html","og_locale":"zh_CN","og_type":"article","og_title":"\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u64cd\u4f5c\u7b26\u8be6\u89e3\u672c\u6587\u4e00\u6b21\u6027\u68b3\u7406C\u8bed\u8a00\u6240\u6709\u6838\u5fc3\u64cd\u4f5c\u7b26，\u5305\u542b\u7b97\u672f\u3001\u5173\u7cfb\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u8d4b\u503c\u3001\u4e09\u76ee\u3001\u9017\u53f7\u516b\u5927\u7c7b，\u642d\u914d\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u5b9e\u6218\u4ee3\u7801\u3001\u6613\u9519\u70b9\u89e3\u6790\u9ad8\u9891\u573a\u666f，\u5f7b\u5e95\u89e3\u51b3\u64cd\u4f5c\u7b26\u7591\u96be\u95ee\u9898\u3002 \u4e00\u3001\u64cd\u4f5c\u7b26\u6574\u4f53\u5206\u7c7b C\u8bed\u8a00\u64cd\u4f5c\u7b26\u6309\u529f\u80fd\u5206\u4e3a8\u5927\u7c7b，\u5176\u4e2d\u4f4d\u8fd0\u7b97\u3001\u79fb\u4f4d\u3001\u903b\u8f91\u77ed\u8def\u662f\u91cd\u96be\u70b9\u3001\u9ad8\u9891\u8003\u70b9： \u7b97\u672f\u64cd\u4f5c\u7b26：\u3001-\u3001*\u3001\/\u3001%\u5173\u7cfb\u64cd\u4f5c\u7b26：>\u3001\u3001<\u3001\u3001!\u903b\u8f91\u64cd\u4f5c\u7b26：&&\u3001||\u3001!\u4f4d\u64cd\u4f5c","og_url":"https:\/\/www.wsisp.com\/helps\/100949.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-05T11:48:56+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260905114854-6a9c01a6b1b8f.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/100949.html","url":"https:\/\/www.wsisp.com\/helps\/100949.html","name":"\u64cd\u4f5c\u7b26\u8be6\u89e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-09-05T11:48:56+00:00","dateModified":"2026-09-05T11:48:56+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/100949.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/100949.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/100949.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u64cd\u4f5c\u7b26\u8be6\u89e3"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=100949"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100949\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/100948"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=100949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=100949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=100949"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=100949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}