{"id":38,"date":"2007-04-27T22:11:22","date_gmt":"2007-04-27T14:11:22","guid":{"rendered":"http:\/\/127.0.0.1\/website_linux\/blog\/?p=38"},"modified":"2007-04-27T22:11:22","modified_gmt":"2007-04-27T14:11:22","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%ef%bc%881%ef%bc%89-%e7%bb%aa%e8%ae%ba","status":"publish","type":"post","link":"https:\/\/opgogo.com\/blog2\/?p=38","title":{"rendered":"\u6570\u636e\u7ed3\u6784\uff081\uff09 \u7eea\u8bba"},"content":{"rendered":"

http:\/\/jpkc.jnu.edu.cn\/sjjg\/upload\/jiaoyan\/<\/p>\n

\u7a0b\u5e8f=\u7b97\u6cd5+\u6570\u636e\u7ed3\u6784
\n\u7a0b\u5e8f\uff1a\u4e3a\u8ba1\u7b97\u673a\u5904\u7406\u95ee\u9898\u7f16\u5236\u4e00\u7ec4\u6307\u4ee4\u96c6\u3002
\n\u7b97\u6cd5\uff1a\u5904\u7406\u95ee\u9898\u7684\u7b56\u7565\u3002
\n\u6570\u636e\u7ed3\u6784\uff1a\u95ee\u9898\u7684\u6570\u5b66\u6a21\u578b\u3002
\n[color=Purple]\u6570\u636e\u7ed3\u6784\u8ba8\u8bba\u63cf\u8ff0\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u7684\u6570\u5b66\u6a21\u578b\u53ca\u5176\u4e0a\u7684\u64cd\u4f5c\u5728\u8ba1\u7b97\u673a\u4e2d\u7684\u8868\u793a\u548c\u5b9e\u73b0\u3002<\/font><\/p>\n

—————<\/p>\n

\u6570\u636e\u548c\u6570\u636e\u7ed3\u6784
\n\u6570\u636e\uff1a\u6240\u6709\u80fd\u88ab\u8f93\u5165\u5230\u8ba1\u7b97\u673a\u4e2d\uff0c\u4e14\u88ab\u8ba1\u7b97\u673a\u5904\u7406\u7684\u7b26\u53f7\u7684\u96c6\u5408\uff0c\u662f\u8ba1\u7b97\u673a\u64cd\u4f5c\u7684\u5bf9\u8c61\u7684\u603b\u79f0\uff0c\u662f\u8ba1\u7b97\u673a\u5904\u7406\u7684\u4fe1\u606f\u7684\u67d0\u79cd\u7279\u5b9a\u7684\u7b26\u53f7\u8868\u793a\u5f62\u5f0f\u3002
\n\u6570\u636e\u5143\u7d20\uff1a\u6570\u636e\u4e2d\u7684\u4e00\u4e2a\u201c\u4e2a\u4f53\u201d\uff0c\u6570\u636e\u7ed3\u6784\u4e2d\u8ba8\u8bba\u7684\u57fa\u672c\u5355\u4f4d\u3002
\n\u6570\u636e\u9879\uff1a\u6570\u636e\u7ed3\u6784\u4e2d\u8ba8\u8bba\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u6570\u636e\u5143\u7d20\u662f\u6570\u636e\u9879\u7684\u96c6\u5408\u3002
\n\u6570\u636e\u7ed3\u6784\uff1a\u5e26\u7ed3\u6784\u7684\u6570\u636e\u5143\u7d20\u7684\u96c6\u5408\u3002
\n\u6570\u636e\u7684\u903b\u8f91\u7ed3\u6784\uff1a\u7ebf\u6027\u7ed3\u6784 \u6811\u5f62\u7ed3\u6784 \u56fe\u72b6\u7ed3\u6784 \u96c6\u5408\u7ed3\u6784
\n\u6570\u636e\u7684\u5b58\u50a8\u7ed3\u6784\u2014\u2014\u903b\u8f91\u7ed3\u6784\u5728\u5b58\u50a8\u5668\u4e2d\u7684\u6620\u50cf\u3002
\n\u6570\u636e\u5143\u7d20\u7684\u6620\u50cf\u65b9\u6cd5\uff1a\u7528\u4e8c\u8fdb\u5236\u4f4d\uff08bit\uff09\u7684\u4f4d\u4e32\u8868\u793a\u6570\u636e\u5143\u7d20\u3002
\n\u5173\u7cfb\u7684\u6620\u50cf\u65b9\u6cd5\uff1a\u987a\u5e8f\u6620\u50cf \u94fe\u5f0f\u6620\u50cf<\/p>\n

\u62bd\u8c61\u6570\u636e\u7c7b\u578b
\n\u662f\u6307\u4e00\u4e2a\u6570\u5b66\u6a21\u578b\u4ee5\u53ca\u5728\u6b64\u6570\u5b66\u6a21\u578b\u4e0a\u7684\u4e00\u7ec4\u64cd\u4f5c\u3002
\n\u6570\u636e\u7ed3\u6784+\u5b9a\u4e49\u5728\u6b64\u6570\u636e\u7ed3\u6784\u4e0a\u7684\u4e00\u7ec4\u64cd\u4f5c=\u62bd\u8c61\u6570\u636e\u7c7b\u578b
\n\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u7684\u63cf\u8ff0\u65b9\u6cd5\uff1a\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u53ef\u7528\uff08D\uff0cS\uff0cP\uff09\u4e09\u5143\u7ec4\u8868\u793a\u3002\u5176\u4e2d\uff0cD\u662f\u6570\u636e\u5bf9\u8c61\uff0cS\u662fD\u4e0a\u7684\u5173\u7cfb\u96c6\uff0cP\u662f\u5bf9D\u7684\u57fa\u672c\u64cd\u4f5c\u96c6\u3002
\nADT \u62bd\u8c61\u6570\u636e\u7c7b\u578b\u540d{
\n\u6570\u636e\u5bf9\u8c61\uff1a<\u6570\u636e\u5bf9\u8c61\u7684\u5b9a\u4e49>
\n\u6570\u636e\u5173\u7cfb\uff1a<\u6570\u636e\u5173\u7cfb\u7684\u5b9a\u4e49>
\n\u57fa\u672c\u64cd\u4f5c\uff1a<\u57fa\u672c\u64cd\u4f5c\u7684\u5b9a\u4e49>
\n} ADT \u62bd\u8c61\u6570\u636e\u7c7b\u578b\u540d
\n\u5176\u4e2d\uff0c\u6570\u636e\u5bf9\u8c61\u548c\u6570\u636e\u5173\u7cfb\u7684\u5b9a\u4e49\u7528\u4f2a\u7801\u63cf\u8ff0\uff0c\u57fa\u672c\u64cd\u4f5c\u7684\u5b9a\u4e49\u683c\u5f0f\u4e3a
\n\u57fa\u672c\u64cd\u4f5c\u540d(\u53c2\u6570\u8868)
\n\u521d\u59cb\u6761\u4ef6\uff1a<\u521d\u59cb\u6761\u4ef6\u63cf\u8ff0>
\n\u64cd\u4f5c\u7ed3\u679c\uff1a<\u64cd\u4f5c\u7ed3\u679c\u63cf\u8ff0>
\n\u57fa\u672c\u64cd\u4f5c\u6709\u4e24\u79cd\u53c2\u6570\uff1a\u8d4b\u503c\u53c2\u6570\u53ea\u4e3a\u64cd\u4f5c\u63d0\u4f9b\u8f93\u5165\u503c\uff1b\u5f15\u7528\u53c2\u6570\u4ee5&\u6253\u5934\uff0c \u9664\u53ef\u63d0\u4f9b\u8f93\u5165\u503c\u5916\uff0c\u8fd8\u5c06\u8fd4\u56de\u64cd\u4f5c\u7ed3\u679c\u3002<\/p>\n

\u201c\u521d\u59cb\u6761\u4ef6\u201d\u63cf\u8ff0\u4e86\u64cd\u4f5c\u6267\u884c\u4e4b\u524d\u6570\u636e\u7ed3\u6784\u548c\u53c2\u6570\u5e94\u6ee1\u8db3\u7684\u6761\u4ef6\uff0c\u82e5\u4e0d\u6ee1\u8db3\uff0c\u5219\u64cd\u4f5c\u5931\u8d25\uff0c\u5e76\u8fd4\u56de\u76f8\u5e94\u51fa\u9519\u4fe1\u606f\u3002<\/p>\n

\u201c\u64cd\u4f5c\u7ed3\u679c\u201d\u8bf4\u660e\u4e86\u64cd\u4f5c\u6b63\u5e38\u5b8c\u6210\u4e4b\u540e\uff0c\u6570\u636e\u7ed3\u6784\u7684\u53d8\u5316\u72b6\u51b5\u548c\u5e94\u8fd4\u56de\u7684\u7ed3\u679c\u3002\u82e5\u521d\u59cb\u6761\u4ef6\u4e3a\u7a7a\uff0c\u5219\u7701\u7565\u4e4b\u3002<\/p>\n

\u4f8b: \u62bd\u8c61\u6570\u636e\u7c7b\u578b\u4e09\u5143\u7ec4\u7684\u5b9a\u4e49\uff1a<\/p>\n

ADT Complex {<\/p>\n

\u6570\u636e\u5bf9\u8c61\uff1aD\uff1d{e1,e2\uff5ce1,e2\u2208RealSet }<\/p>\n

\u6570\u636e\u5173\u7cfb\uff1aR1\uff1d{ | e1\u662f\u590d\u6570\u7684\u5b9e\u6570\u90e8\u5206,<\/p>\n

| e2 \u662f\u590d\u6570\u7684\u865a\u6570\u90e8\u5206 }<\/p>\n

\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n

InitComplex( &Z, v1, v2 )<\/p>\n

\u64cd\u4f5c\u7ed3\u679c\uff1a\u6784\u9020\u590d\u6570Z,\u5176\u5b9e\u90e8\u548c\u865a\u90e8\u5206\u522b\u88ab\u8d4b\u4ee5\u53c2\u6570v1\u548cv2\u7684\u503c\u3002<\/p>\n

DestroyComplex( &Z)<\/p>\n

\u64cd\u4f5c\u7ed3\u679c\uff1a\u590d\u6570Z\u88ab\u9500\u6bc1\u3002<\/p>\n

GetReal( Z, &realPart )<\/p>\n

\u521d\u59cb\u6761\u4ef6\uff1a\u590d\u6570\u5df2\u5b58\u5728\u3002<\/p>\n

\u64cd\u4f5c\u7ed3\u679c\uff1a\u7528realPart\u8fd4\u56de\u590d\u6570Z\u7684\u5b9e\u90e8\u503c\u3002<\/p>\n

GetImag( Z, &ImagPart )<\/p>\n

\u521d\u59cb\u6761\u4ef6\uff1a\u590d\u6570\u5df2\u5b58\u5728\u3002<\/p>\n

\u64cd\u4f5c\u7ed3\u679c\uff1a\u7528ImagPart\u8fd4\u56de\u590d\u6570Z\u7684\u865a\u90e8\u503c\u3002<\/p>\n

Add( z1,z2, &sum )<\/p>\n

\u521d\u59cb\u6761\u4ef6\uff1az1,z2\u662f\u590d\u6570\u3002<\/p>\n

\u64cd\u4f5c\u7ed3\u679c\uff1a\u7528sum\u8fd4\u56de\u4e24\u4e2a\u590d\u6570z1,z2\u7684\u548c\u503c\u3002<\/p>\n

} ADT Complex<\/p>\n

\u6570\u636e\u7ed3\u6784\u7c7b\u578b\u7684\u4e24\u4e2a\u7279\u5f81\uff1a\u6570\u636e\u62bd\u8c61 \u6570\u636e\u5c01\u88c5<\/p>\n

—————<\/p>\n

\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u7684\u8868\u793a\u548c\u5b9e\u73b0
\n\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u901a\u8fc7\u56fa\u6709\u6570\u636e\u7c7b\u578b\uff08\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5df2\u5b9e\u73b0\u7684\u6570\u636e\u7c7b\u578b\uff09\u6765\u5b9e\u73b0\u3002
\n\u62bd\u8c61\u6570\u636e\u7c7b\u578b \u7c7b class
\n\u6570\u636e\u5bf9\u8c61 \u6570\u636e\u6210\u5458
\n\u57fa\u672c\u64cd\u4f5c \u6210\u5458\u51fd\u6570(\u65b9\u6cd5)
\n\u7c7b\u4e2d\u7684\u5b9e\u4f8b\u88ab\u79f0\u4e3a\u5bf9\u8c61\uff0c\u5bf9\u8c61\u7684\u72b6\u6001\u662f\u552f\u4e00\u7684\uff0c\u5b83\u7531\u6570\u636e\u6210\u5458(\u5c5e\u6027)\u7684\u5f53\u524d\u503c\u5b9a\u4e49\uff0c\u6210\u5458\u51fd\u6570\u53ef\u901a\u8fc7\u4fee\u6539\u6570\u636e\u6210\u5458\u7c7b\u6539\u53d8\u5bf9\u8c61\u7684\u72b6\u6001\u3002
\n\u5728C++\u4e2d\uff0c\u7c7b\u7684\u6210\u5206(\u6570\u636e\u6210\u5458\u548c\u6210\u5458\u51fd\u6570)\u53ef\u4ee5\u6709\u4e09\u79cd\u8bbf\u95ee\u7ea7\u522b\uff1a
\nprivate \u79c1\u6709\u6210\u5206\uff08\u53ea\u5141\u8bb8\u7c7b\u7684\u6210\u5458\u51fd\u6570\u8fdb\u884c\u8bbf\u95ee\uff09
\nprotected \u4fdd\u62a4\u6210\u5206\uff08\u53ea\u5141\u8bb8\u7c7b\u7684\u6210\u5458\u51fd\u6570\u53ca\u5176\u5b50\u5b59\u7c7b\u8fdb\u884c\u8bbf\u95ee\uff09
\npublic \u516c\u6709\u6210\u5206\uff08\u5141\u8bb8\u7c7b\u7684\u6210\u5458\u51fd\u6570\u3001\u7c7b\u7684\u5b9e\u4f8b\u53ca\u5176\u5b50\u5b59\u7c7b\u3001\u5b50\u5b59\u7c7b\u7684\u5b9e\u4f8b\u8fdb\u884c\u8bbf\u95ee\uff09<\/p>\n

\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bbe\u8ba1
\n\u6240\u8c13\u201c\u7a0b\u5e8f\u8bbe\u8ba1\u201d\u5373\u662f\u8ba1\u7b97\u673a\u6a21\u62df\u73b0\u5b9e\u4e16\u754c\u7684\u6d3b\u52a8\u3002
\n\u4ece\u4f20\u7edf\u7684\u89d2\u5ea6\u770b\uff0c\u7a0b\u5e8f\u662f\u201c\u6d3b\u52a8\u201d\u7684\u96c6\u5408\uff0c\u7a0b\u5e8f=\u8fc7\u7a0b+\u8c03\u7528\uff0c\u79f0\u8fd9\u79cd\u7a0b\u5e8f\u8bbe\u8ba1\u65b9\u6cd5\u4e3a\u9762\u5411\u8fc7\u7a0b\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u3002
\n\u73b0\u5b9e\u4e16\u754c\u662f\u7531\u8bb8\u8bb8\u591a\u591a\u7684\u5b9e\u4f53\u6216\u5bf9\u8c61\u6784\u6210\u7684\u3002\u8fd9\u4e9b\u5bf9\u8c61\u5f7c\u6b64\u76f8\u5173\u5e76\u80fd\u76f8\u4e92\u901a\u8baf\uff0c\u5bf9\u8c61\u7684\u6d3b\u52a8\u6784\u6210\u4e86\u73b0\u5b9e\u4e16\u754c\u7684\u6d3b\u52a8\u3002
\n\u4ece\u9762\u5411\u5bf9\u8c61\u7684\u89d2\u5ea6\u770b\uff0c\u7a0b\u5e8f\u662f\u5bf9\u8c61\u7684\u96c6\u5408\uff1b\u5bf9\u8c61\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u6784\u6210\u4e86\u4e00\u4e2a\u8f6f\u4ef6\u7cfb\u7edf\u3002
\n\u5bf9\u8c61\u53c2\u4e0e\u7684\u4ea4\u4e92\u52a8\u4f5c\u79f0\u4e3a\u4e8b\u4ef6\uff0c\u5728\u4e8b\u4ef6\u4e2d\u6d88\u606f\u5728\u5bf9\u8c61\u4e4b\u95f4\u53d1\u9001\uff0c\u63a5\u6536\u6d88\u606f\u7684\u5bf9\u8c61\u8c03\u7528\u76f8\u5e94\u7684\u65b9\u6cd5\u8fdb\u884c\u54cd\u5e94\u3002<\/p>\n

—————<\/p>\n

\u7b97\u6cd5\u548c\u7b97\u6cd5\u7684\u8861\u91cf
\n\u7b97\u6cd5\u662f\u4e3a\u4e86\u89e3\u51b3\u67d0\u7c7b\u95ee\u9898\u800c\u89c4\u5b9a\u7684\u4e00\u4e2a\u6709\u9650\u957f\u7684\u64cd\u4f5c\u5e8f\u5217\u3002
\n\u4e00\u4e2a\u7b97\u6cd5\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\u4e94\u4e2a\u91cd\u8981\u7279\u6027\uff1a
\n1\uff0e\u6709\u7a77\u6027 \u5bf9\u4e8e\u4efb\u610f\u4e00\u7ec4\u5408\u6cd5\u8f93\u5165\u503c\uff0c\u5728\u6267\u884c\u6709\u7a77\u6b65\u9aa4\u4e4b\u540e\u4e00\u5b9a\u80fd\u7ed3\u675f\uff0c\u5373\uff1a\u7b97\u6cd5\u4e2d\u7684\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u80fd\u5728\u6709\u9650\u65f6\u95f4\u5185\u5b8c\u6210\uff1b
\n2\uff0e\u786e\u5b9a\u6027 \u5bf9\u4e8e\u6bcf\u79cd\u60c5\u51b5\u4e0b\u6240\u5e94\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u5728\u7b97\u6cd5\u4e2d\u90fd\u6709\u786e\u5207\u7684\u89c4\u5b9a\uff0c\u4f7f\u7b97\u6cd5\u7684\u6267\u884c\u8005\u6216\u9605\u8bfb\u8005\u90fd\u80fd\u660e\u786e\u5176\u542b\u4e49\u53ca\u5982\u4f55\u6267\u884c\u3002\u5e76\u4e14\u5728\u4efb\u4f55\u6761\u4ef6\u4e0b\uff0c\u7b97\u6cd5\u90fd\u53ea\u6709\u4e00\u6761\u6267\u884c\u8def\u5f84\uff1b
\n3\uff0e\u53ef\u884c\u6027 \u7b97\u6cd5\u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u5fc5\u987b\u8db3\u591f\u57fa\u672c\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u5df2\u7ecf\u5b9e\u73b0\u7684\u57fa\u672c\u64cd\u4f5c\u8fd0\u7b97\u6709\u9650\u6b21\u5b9e\u73b0\u4e4b\uff1b
\n4\uff0e\u6709\u8f93\u5165 \u4f5c\u4e3a\u7b97\u6cd5\u52a0\u5de5\u5bf9\u8c61\u7684\u91cf\u503c\uff0c\u901a\u5e38\u4f53\u73b0\u4e3a\u7b97\u6cd5\u4e2d\u7684\u4e00\u7ec4\u53d8\u91cf\u3002\u6709\u4e9b\u8f93\u5165\u91cf\u9700\u8981\u5728\u7b97\u6cd5\u6267\u884c\u8fc7\u7a0b\u4e2d\u8f93\u5165\uff0c\u800c\u6709\u7684\u7b97\u6cd5\u8868\u9762\u4e0a\u53ef\u4ee5\u6ca1\u6709\u8f93\u5165\uff0c\u5b9e\u9645\u4e0a\u5df2\u88ab\u5d4c\u5165\u7b97\u6cd5\u4e4b\u4e2d\uff1b
\n5\uff0e\u6709\u8f93\u51fa \u5b83\u662f\u4e00\u7ec4\u4e0e\u201c\u8f93\u5165\u201d\u4e0e\u786e\u5b9a\u5173\u7cfb\u7684\u91cf\u503c\uff0c\u662f\u7b97\u6cd5\u8fdb\u884c\u4fe1\u606f\u52a0\u5de5\u540e\u5f97\u5230\u7684\u7ed3\u679c\uff0c\u8fd9\u79cd\u786e\u5b9a\u5173\u7cfb\u5373\u4e3a\u7b97\u6cd5\u7684\u529f\u80fd\u3002<\/p>\n

\u7b97\u6cd5\u8bbe\u8ba1\u7684\u539f\u5219
\n\u8bbe\u8ba1\u7b97\u6cd5\u65f6\uff0c\u901a\u5e38\u5e94\u8003\u8651\u8fbe\u5230\u4ee5\u4e0b\u76ee\u6807\uff1a
\n1\uff0e\u6b63\u786e\u6027
\n\u9996\u5148\uff0c\u7b97\u6cd5\u5e94\u5f53\u6ee1\u8db3\u4ee5\u7279\u5b9a\u7684\u201c\u89c4\u683c\u8bf4\u660e\u201d\u65b9\u5f0f\u7ed9\u51fa\u7684\u9700\u6c42\u3002
\n\u5176\u6b21\uff0c\u5bf9\u7b97\u6cd5\u662f\u5426\u201c\u6b63\u786e\u201d\u7684\u7406\u89e3\u53ef\u4ee5\u6709\u4ee5\u4e0b\u56db\u4e2a\u5c42\u6b21\uff1a
\na\uff0e\u7a0b\u5e8f\u4e2d\u4e0d\u542b\u8bed\u6cd5\u9519\u8bef\uff1b
\nb\uff0e\u7a0b\u5e8f\u5bf9\u4e8e\u51e0\u7ec4\u8f93\u5165\u6570\u636e\u80fd\u591f\u5f97\u51fa\u6ee1\u8db3\u8981\u6c42\u7684\u7ed3\u679c\uff1b
\nc\uff0e\u7a0b\u5e8f\u5bf9\u4e8e\u7cbe\u5fc3\u9009\u62e9\u7684\u3001\u5178\u578b\u3001\u82db\u523b\u5207\u5e26\u6709\u5201\u96be\u6027\u7684\u51e0\u7ec4\u8f93\u5165\u6570\u636e\u80fd\u591f\u5f97\u51fa\u6ee1\u8db3\u8981\u6c42\u7684\u7ed3\u679c\uff1b
\nd\uff0e\u7a0b\u5e8f\u5bf9\u4e8e\u4e00\u5207\u5408\u6cd5\u7684\u8f93\u5165\u6570\u636e\u90fd\u80fd\u5f97\u51fa\u6ee1\u8db3\u8981\u6c42\u7684\u7ed3\u679c\uff1b
\n\u901a\u5e38\u4ee5\u7b2cc\u5c42\u610f\u4e49\u7684\u6b63\u786e\u6027\u4f5c\u4e3a\u8861\u91cf\u4e00\u4e2a\u7b97\u6cd5\u662f\u5426\u5408\u683c\u7684\u6807\u51c6\u3002
\n2. \u53ef\u8bfb\u6027
\n\u7b97\u6cd5\u4e3b\u8981\u662f\u4e3a\u4e86\u4eba\u7684\u9605\u8bfb\u4e0e\u4ea4\u6d41\uff0c\u5176\u6b21\u624d\u662f\u4e3a\u8ba1\u7b97\u673a\u6267\u884c\u3002\u56e0\u6b64\u7b97\u6cd5\u5e94\u8be5\u6613\u4e8e\u4eba\u7684\u7406\u89e3\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u6666\u6da9\u96be\u8bfb\u7684\u7a0b\u5e8f\u6613\u4e8e\u9690\u85cf\u8f83\u591a\u9519\u8bef\u800c\u96be\u4ee5\u8c03\u8bd5\uff1b
\n3\uff0e\u5065\u58ee\u6027
\n\u5f53\u8f93\u5165\u7684\u6570\u636e\u975e\u6cd5\u65f6\uff0c\u7b97\u6cd5\u5e94\u5f53\u6070\u5f53\u5730\u4f5c\u51fa\u53cd\u6620\u6216\u8fdb\u884c\u76f8\u5e94\u5904\u7406\uff0c\u800c\u4e0d\u662f\u4ea7\u751f\u83ab\u540d\u5947\u5999\u7684\u8f93\u51fa\u7ed3\u679c\u3002\u5e76\u4e14\uff0c\u5904\u7406\u51fa\u9519\u7684\u65b9\u6cd5\u4e0d\u5e94\u662f\u4e2d\u65ad\u7a0b\u5e8f\u7684\u6267\u884c\uff0c\u800c\u5e94\u662f\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u9519\u8bef\u6216\u9519\u8bef\u6027\u8d28\u7684\u503c\uff0c\u4ee5\u4fbf\u5728\u66f4\u9ad8\u7684\u62bd\u8c61\u5c42\u6b21\u4e0a\u8fdb\u884c\u5904\u7406\u3002
\n4\uff0e\u9ad8\u6548\u7387\u4e0e\u4f4e\u5b58\u50a8\u91cf\u9700\u6c42
\n\u901a\u5e38\uff0c\u6548\u7387\u6307\u7684\u662f\u7b97\u6cd5\u6267\u884c\u65f6\u95f4\uff1b\u5b58\u50a8\u91cf\u6307\u7684\u662f\u7b97\u6cd5\u6267\u884c\u8fc7\u7a0b\u4e2d\u6240\u9700\u7684\u6700\u5927\u5b58\u50a8\u7a7a\u95f4\u3002\u4e24\u8005\u90fd\u4e0e\u95ee\u9898\u7684\u89c4\u6a21\u6709\u5173\u3002<\/p>\n

\u7b97\u6cd5\u6548\u7387\u7684\u8861\u91cf\u65b9\u6cd5\u548c\u51c6\u5219
\n\u901a\u5e38\u6709\u4e24\u79cd\u8861\u91cf\u7b97\u6cd5\u6548\u7387\u7684\u65b9\u6cd5:
\n\u4e8b\u540e\u7edf\u8ba1\u6cd5
\n\u7f3a\u70b9\uff1a1\uff0e\u5fc5\u987b\u6267\u884c\u7a0b\u5e8f
\n2\uff0e\u5176\u5b83\u56e0\u7d20\u63a9\u76d6\u7b97\u6cd5\u672c\u8d28
\n\u4e8b\u524d\u5206\u6790\u4f30\u7b97\u6cd5
\n\u548c\u7b97\u6cd5\u6267\u884c\u65f6\u95f4\u76f8\u5173\u7684\u56e0\u7d20\uff1a
\n1\uff0e\u7b97\u6cd5\u9009\u7528\u7684\u7b56\u7565
\n2\uff0e\u95ee\u9898\u7684\u89c4\u6a21
\n3\uff0e\u7f16\u5199\u7a0b\u5e8f\u7684\u8bed\u8a00
\n4\uff0e\u7f16\u8bd1\u7a0b\u5e8f\u4ea7\u751f\u7684\u673a\u5668\u4ee3\u7801\u7684\u8d28\u91cf
\n5\uff0e\u8ba1\u7b97\u673a\u6267\u884c\u6307\u4ee4\u7684\u901f\u5ea6
\n\u4e00\u4e2a\u7279\u5b9a\u7b97\u6cd5\u7684\u201c\u8fd0\u884c\u5de5\u4f5c\u91cf\u201d\u7684\u5927\u5c0f\uff0c\u53ea\u4f9d\u8d56\u4e8e\u95ee\u9898\u7684\u89c4\u6a21\uff08\u901a\u5e38\u7528\u6574\u6570\u91cfn\u8868\u793a\uff09\uff0c\u6216\u8005\u8bf4\uff0c\u5b83\u662f\u95ee\u9898\u89c4\u6a21\u7684\u51fd\u6570\u3002
\n\u5047\u5982\uff0c\u968f\u7740\u95ee\u9898\u89c4\u6a21n\u7684\u589e\u957f\uff0c\u7b97\u6cd5\u6267\u884c\u65f6\u95f4\u7684\u589e\u957f\u7387\u548cf(n)\u7684\u589e\u957f\u7387\u76f8\u540c\uff0c\u5219\u53ef\u8bb0\u4f5c\uff1a
\nT (n) = O(f(n))
\n\u79f0T (n) \u4e3a\u7b97\u6cd5\u7684(\u6e10\u8fd1)\u65f6\u95f4\u590d\u6742\u5ea6
\n\u7b97\u6cd5 = \u63a7\u5236\u7ed3\u6784 + \u539f\u64cd\u4f5c
\n\uff08\u56fa\u6709\u6570\u636e\u7c7b\u578b\u7684\u64cd\u4f5c\uff09
\n\u4ece\u7b97\u6cd5\u4e2d\u9009\u53d6\u4e00\u79cd\u5bf9\u4e8e\u6240\u7814\u7a76\u7684\u95ee\u9898\u6765\u8bf4\u662f\u57fa\u672c\u64cd\u4f5c\u7684\u539f\u64cd\u4f5c\uff0c\u4ee5\u8be5\u57fa\u672c\u64cd\u4f5c\u5728\u7b97\u6cd5\u4e2d\u91cd\u590d\u6267\u884c\u7684\u6b21\u6570\u4f5c\u4e3a\u7b97\u6cd5\u8fd0\u884c\u65f6\u95f4\u7684\u8861\u91cf\u51c6\u5219\u3002
\n\"\"\/<\/p>\n

\u7b97\u6cd5\u7684\u5b58\u50a8\u7a7a\u95f4\u9700\u6c42
\n\u7b97\u6cd5\u7684\u7a7a\u95f4\u590d\u6742\u5ea6
\nS(n) = O(g(n))
\n\u8868\u793a\u968f\u7740\u95ee\u9898\u89c4\u6a21n\u7684\u589e\u5927\uff0c\u7b97\u6cd5\u8fd0\u884c\u6240\u9700\u5b58\u50a8\u91cf\u7684\u589e\u957f\u7387\u4e0eg(n)\u7684\u589e\u957f\u7387\u76f8\u540c\u3002
\n\u7b97\u6cd5\u7684\u5b58\u50a8\u91cf\u5305\u62ec:
\n1\uff0e\u8f93\u5165\u6570\u636e\u6240\u5360\u7a7a\u95f4\uff1b
\n2\uff0e\u7a0b\u5e8f\u672c\u8eab\u6240\u5360\u7a7a\u95f4\uff1b
\n3\uff0e\u8f85\u52a9\u53d8\u91cf\u6240\u5360\u7a7a\u95f4\u3002
\n\u82e5\u8f93\u5165\u6570\u636e\u6240\u5360\u7a7a\u95f4\u53ea\u53d6\u51b3\u4e0e\u95ee\u9898\u672c\u8eab\uff0c\u548c\u7b97\u6cd5\u65e0\u5173\uff0c\u5219\u53ea\u9700\u8981\u5206\u6790\u9664\u8f93\u5165\u548c\u7a0b\u5e8f\u4e4b\u5916\u7684\u989d\u5916\u7a7a\u95f4\u3002
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\n\u82e5\u6240\u9700\u5b58\u50a8\u91cf\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7684\u8f93\u5165\uff0c\u5219\u901a\u5e38\u6309\u6700\u574f\u60c5\u51b5\u8003\u8651\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

http:\/\/jpkc.jnu.edu.cn\/sjjg\/upload\/jiaoyan\/ \u7a0b\u5e8f=\u7b97\u6cd5+\u6570\u636e\u7ed3\u6784 \u7a0b\u5e8f\uff1a\u4e3a\u8ba1\u7b97\u673a\u5904\u7406\u95ee\u9898\u7f16\u5236\u4e00\u7ec4\u6307\u4ee4\u96c6\u3002 \u7b97\u6cd5\uff1a\u5904\u7406\u95ee\u9898\u7684\u7b56\u7565\u3002 \u6570\u636e\u7ed3\u6784\uff1a\u95ee\u9898\u7684\u6570\u5b66\u6a21\u578b\u3002… <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[28],"tags":[],"class_list":["post-38","post","type-post","status-publish","format-standard","hentry","category-computer"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=\/wp\/v2\/posts\/38","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38"}],"version-history":[{"count":0,"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=\/wp\/v2\/posts\/38\/revisions"}],"wp:attachment":[{"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opgogo.com\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}