{"id":3020,"date":"2021-08-08T16:03:57","date_gmt":"2021-08-08T13:03:57","guid":{"rendered":"https:\/\/demensdeum.com\/blog\/?p=3020"},"modified":"2024-12-16T22:32:21","modified_gmt":"2024-12-16T19:32:21","slug":"turing-bombe","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/zh\/2021\/08\/08\/turing-bombe\/","title":{"rendered":"\u56fe\u7075\u70b8\u5f39"},"content":{"rendered":"<p>1936 \u5e74\uff0c\u79d1\u5b66\u5bb6\u827e\u4f26\u00b7\u56fe\u7075\u5728\u4ed6\u7684\u51fa\u7248\u7269\u300a\u8bba\u53ef\u8ba1\u7b97\u6570\uff0c\u53ca\u5176\u5728\u89e3\u51b3\u95ee\u9898\u4e2d\u7684\u5e94\u7528\u300b\u4e2d\u63cf\u8ff0\u4e86\u901a\u7528\u8ba1\u7b97\u673a\u7684\u4f7f\u7528\uff0c\u5b83\u53ef\u4ee5\u89e3\u51b3\u6570\u5b66\u4e2d\u7684\u53ef\u89e3\u6027\u95ee\u9898\u3002\u7ed3\u679c\uff0c\u4ed6\u5f97\u51fa\u7684\u7ed3\u8bba\u662f\uff0c\u5982\u679c\u8fd9\u79cd\u673a\u5668\u7684\u5de5\u4f5c\u7ed3\u679c\u88ab\u98a0\u5012\u5e76\u5faa\u73af\u56de\u81ea\u8eab\uff0c\u90a3\u4e48\u5b83\u5c31\u65e0\u6cd5\u6b63\u786e\u89e3\u51b3\u4efb\u4f55\u95ee\u9898\u3002\u4e8b\u5b9e\u8bc1\u660e\uff0c\u4e0d\u53ef\u80fd\u521b\u5efa\u4e00\u4e2a\u201c\u7406\u60f3\u7684\u201d\u9632\u75c5\u6bd2\u8f6f\u4ef6\u3001\u4e00\u4e2a\u201c\u7406\u60f3\u7684\u201d\u78c1\u8d34\u8bbe\u7f6e\u5668\u3001\u4e00\u4e2a\u4e3a\u60a8\u7684\u5d29\u6e83\u5efa\u8bae\u7406\u60f3\u77ed\u8bed\u7684\u7a0b\u5e8f\u7b49\u7b49\u3002\u6096\u8bba\uff01<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u79cd\u901a\u7528\u8ba1\u7b97\u673a\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u4efb\u4f55\u7b97\u6cd5\uff0c\u82f1\u56fd\u60c5\u62a5\u90e8\u95e8\u5229\u7528\u4e86\u8fd9\u4e00\u70b9\uff0c\u96c7\u4f63\u4e86\u56fe\u7075\u5e76\u5141\u8bb8\u521b\u5efa\u201cBombe\u201d\u673a\u5668\u6765\u7834\u8bd1\u7b2c\u4e8c\u6b21\u4e16\u754c\u5927\u6218\u671f\u95f4\u7684\u5fb7\u56fd\u4fe1\u606f\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u57fa\u4e8e\u539f\u59cb\u6587\u6863\uff0c\u4f7f\u7528 Dart \u8bed\u8a00\u5bf9\u5355\u78c1\u5e26\u8ba1\u7b97\u673a\u8fdb\u884c OOP \u5efa\u6a21\u3002<\/p>\n<p>\u56fe\u7075\u673a\u7531\u5206\u6210\u591a\u4e2a\u90e8\u5206\u7684\u8584\u819c\u7ec4\u6210\uff0c\u6bcf\u4e2a\u90e8\u5206\u5305\u542b\u4e00\u4e2a\u7b26\u53f7\uff0c\u8fd9\u4e9b\u7b26\u53f7\u53ef\u4ee5\u8bfb\u53d6\u6216\u5199\u5165\u3002\u7535\u5f71\u7c7b\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>final _map = Map&lt;int, String&gt;(); \n\n  String read({required int at}) { \n    return _map[at] ?? \"\"; \n  } \n\n  void write({required String symbol, required int at}) { \n    _map[at] = symbol; \n  } \n}\n<\/code><\/pre>\n<\/div>\n<p>\u8fd8\u6709\u4e00\u4e2a\u201c\u626b\u63cf\u65b9\u5757\u201d\uff0c\u5b83\u53ef\u4ee5\u5728\u80f6\u7247\u4e0a\u79fb\u52a8\uff0c\u8bfb\u53d6\u6216\u5199\u5165\u4fe1\u606f\uff0c\u7528\u73b0\u4ee3\u8bed\u8a00\u6765\u8bf4\u5c31\u662f\u2014\u2014\u78c1\u5934\u3002\u78c1\u5934\u7c7b\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>  int _index = 0; \n  InfiniteTape _infiniteTape; \n  TapeHead(this._infiniteTape) {} \n\n  String next() { \n    _index += 1; \n    move(to: _index); \n    final output = read(); \n    return output; \n  } \n\n  String previous() { \n    _index -= 1; \n    move(to: _index); \n    final output = read(); \n    return output; \n  } \n\n  void move({required int to}) { \n    this._index = to; \n  } \n\n  String read() { \n    return _infiniteTape.read(at: this._index); \n  } \n\n  void write(String symbol) { \n    _infiniteTape.write(symbol: symbol, at: this._index); \n  } \n\n  int index() { \n    return _index; \n  } \n} \n<\/code><\/pre>\n<\/div>\n<p>\u673a\u5668\u5305\u542b\u201cm-configurations\u201d\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u51b3\u5b9a\u4e0b\u4e00\u6b65\u505a\u4ec0\u4e48\u3002\u7528\u73b0\u4ee3\u8bed\u8a00\u6765\u8bf4\u2014\u2014\u72b6\u6001\u548c\u72b6\u6001\u5904\u7406\u7a0b\u5e8f\u3002\u72b6\u6001\u5904\u7406\u7a0b\u5e8f\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>  FiniteStateControlDelegate? delegate = null; \n\n  void handle({required String symbol}) { \n    if (symbol == OPCODE_PRINT) { \n      final argument = delegate?.nextSymbol(); \n      print(argument);\n    } \n    else if (symbol == OPCODE_GENERATE_RANDOM_NUMBER_FROM_ZERO_TO_AND_WRITE_AFTER) { \n      final to = int.tryParse(delegate!.nextSymbol())!; \n      final value = new Random().nextInt(to); \n      delegate!.nextSymbol(); \n      delegate!.write(value.toString()); \n    } \n    else if (symbol == OPCODE_INPUT_TO_NEXT) { \n      final input = stdin.readLineSync()!; \n      delegate?.nextSymbol(); \n      delegate?.write(input); \n    } \n    else if (symbol == OPCODE_COPY_FROM_TO) { \n      final currentIndex = delegate!.index(); \n\n\u0438 \u0442.\u0434. \n<\/code><\/pre>\n<\/div>\n<p>\u4e4b\u540e\uff0c\u60a8\u9700\u8981\u521b\u5efa\u201c\u914d\u7f6e\u201d\uff0c\u7528\u73b0\u4ee3\u8bed\u8a00\u6765\u8bf4\uff0c\u8fd9\u4e9b\u662f\u64cd\u4f5c\u4ee3\u7801\uff08\u64cd\u4f5c\u7801\uff09\u53ca\u5176\u5904\u7406\u7a0b\u5e8f\u3002\u64cd\u4f5c\u7801\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>const OPCODE_PRINT = \"print\"; \nconst OPCODE_INCREMENT_NEXT = \"increment next\"; \nconst OPCODE_DECREMENT_NEXT = \"decrement next\"; \nconst OPCODE_IF_PREVIOUS_NOT_EQUAL = \"if previous not equal\"; \nconst OPCODE_MOVE_TO_INDEX = \"move to index\"; \nconst OPCODE_COPY_FROM_TO = \"copy from index to index\"; \nconst OPCODE_INPUT_TO_NEXT = \"input to next\"; \nconst OPCODE_GENERATE_RANDOM_NUMBER_FROM_ZERO_TO_AND_WRITE_AFTER = \"generate random number from zero to next and write after\"; \n<\/code><\/pre>\n<\/div>\n<p><strong>\u4e0d\u8981\u5fd8\u8bb0\u521b\u5efa\u64cd\u4f5c\u7801\u548c\u505c\u6b62\u5904\u7406\u7a0b\u5e8f\uff0c\u5426\u5219\u60a8\u5c06\u65e0\u6cd5\u8bc1\u660e\u6216\u65e0\u6cd5\u8bc1\u660e\uff08\u539f\u6587\u5982\u6b64\uff01\uff09\u89e3\u51b3\u95ee\u9898\u3002<\/strong><\/p>\n<p>\u73b0\u5728\uff0c\u4f7f\u7528\u201c\u4e2d\u4ecb\u8005\u201d\u6a21\u5f0f\uff0c\u6211\u4eec\u8fde\u63a5\u56fe\u7075\u673a\u7c7b\u4e2d\u7684\u6240\u6709\u7c7b\uff0c\u521b\u5efa\u8be5\u7c7b\u7684\u5b9e\u4f8b\uff0c\u901a\u8fc7\u78c1\u5e26\u5f55\u97f3\u673a\u5f55\u5236\u7a0b\u5e8f\uff0c\u52a0\u8f7d\u78c1\u5e26\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u4e86\uff01<\/p >\n<p><em>\u5bf9\u6211\u4e2a\u4eba\u6765\u8bf4\uff0c\u4ec0\u4e48\u662f\u4e3b\u8981\u7684\u95ee\u9898\u4ecd\u7136\u5f88\u6709\u8da3\u2014\u2014\u201c\u4ec0\u4e48\u662f\u4e3b\u8981\u7684\u201d\uff1f\u521b\u5efa\u901a\u7528\u8ba1\u7b97\u5668\u6216\u201cEntscheidungsproblem\u201d\u7684\u8bc1\u660e\uff0c\u4f5c\u4e3a\u526f\u4ea7\u54c1\uff0c\u8ba1\u7b97\u5668\u51fa\u73b0\u4e86\u3002<\/em><\/p>\n<h3>\u76d2\u5f0f\u78c1\u5e26<\/h3>\n<p>\u4e3a\u4e86\u597d\u73a9\uff0c\u6211\u4e3a\u6211\u7684\u673a\u5668\u7248\u672c\u5f55\u5236\u4e86\u51e0\u4e2a\u76d2\u5f0f\u78c1\u5e26\u8282\u76ee\u3002<\/p>\n<p><strong>\u4f60\u597d\u4e16\u754c<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>hello world \nstop<\/code><\/pre>\n<p><strong>\u0421\u0447\u0438\u0442\u0430\u0435\u043c \u0434\u043e 16-\u0442\u0438<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>0\nif previous not equal\n16\ncopy from index to index\n1\n8\nprint\n?\nmove to index\n0\nelse\ncopy from index to index\n1\n16\nprint\n?\nprint\nFinished!\nstop<\/code><\/pre>\n<p>\u0421\u0430\u043c\u043e\u0439 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u0431\u044b\u043b\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u0435 Quine \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0435\u0447\u0430\u0442\u0430\u0435\u0442 \u0441\u0432\u043e\u0439 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043a\u043e\u0434, \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u043b\u0435\u043d\u0442\u043e\u0447\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u044b. \u041f\u0435\u0440\u0432\u044b\u0435 8 \u0447\u0430\u0441\u043e\u0432 \u043c\u043d\u0435 \u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0447\u0442\u043e \u044d\u0442\u0430 \u0437\u0430\u0434\u0430\u0447\u0430 \u043d\u0435 \u0440\u0435\u0448\u0430\u0435\u043c\u0430 \u0441 \u0442\u0430\u043a\u0438\u043c \u043c\u0430\u043b\u044b\u043c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u043e\u043f\u043a\u043e\u0434\u043e\u0432, \u043e\u0434\u043d\u0430\u043a\u043e \u0432\u0441\u0435\u0433\u043e \u0447\u0435\u0440\u0435\u0437 16 \u0447\u0430\u0441\u043e\u0432 \u043e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0447\u0442\u043e \u044f \u0431\u044b\u043b \u043d\u0435 \u043f\u0440\u0430\u0432.<\/p>\n<p>\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u043a\u0430\u0441\u0441\u0435\u0442, \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438 \u043d\u0438\u0436\u0435.<\/p>\n<h3>\u0421\u0441\u044b\u043b\u043a\u0438<\/h3>\n<p><a href=\"https:\/\/gitlab.com\/demensdeum\/turing-machine\" target=\"_blank\" rel=\"noopener\">https:\/\/gitlab.com\/demensdeum\/turing-machine<\/a><\/p>\n<h3>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438<\/h3>\n<p><a href=\"https:\/\/www.astro.puc.cl\/~rparra\/tools\/PAPERS\/turing_1936.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.astro.puc.cl\/~rparra\/tools\/PAPERS\/turing_1936.pdf<\/a><br \/>\n<a href=\"https:\/\/kpolyakov.spb.ru\/prog\/turing.htm\" target=\"_blank\" rel=\"noopener\">https:\/\/kpolyakov.spb.ru\/prog\/turing.htm<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=dNRDvLACg5Q\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=dNRDvLACg5Q<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=jP3ceURvIYc\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=jP3ceURvIYc<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=9QCJj5QzETI\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=9QCJj5QzETI<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=HeQX2HjkcNo&amp;t=0s\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=HeQX2HjkcNo&amp;t=0s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1936 \u5e74\uff0c\u79d1\u5b66\u5bb6\u827e\u4f26\u00b7\u56fe\u7075\u5728\u4ed6\u7684\u51fa\u7248\u7269\u300a\u8bba\u53ef\u8ba1\u7b97\u6570\uff0c\u53ca\u5176\u5728\u89e3\u51b3\u95ee\u9898\u4e2d\u7684\u5e94\u7528\u300b\u4e2d\u63cf\u8ff0\u4e86\u901a\u7528\u8ba1\u7b97\u673a\u7684\u4f7f\u7528\uff0c\u5b83\u53ef\u4ee5\u89e3\u51b3\u6570\u5b66\u4e2d\u7684\u53ef\u89e3\u6027\u95ee\u9898\u3002\u7ed3\u679c\uff0c\u4ed6\u5f97\u51fa\u7684\u7ed3\u8bba\u662f\uff0c\u5982\u679c\u8fd9\u79cd\u673a\u5668\u7684\u5de5\u4f5c\u7ed3\u679c\u88ab\u98a0\u5012\u5e76\u5faa\u73af\u56de\u81ea\u8eab\uff0c\u90a3\u4e48\u5b83\u5c31\u65e0\u6cd5\u6b63\u786e\u89e3\u51b3\u4efb\u4f55\u95ee\u9898\u3002\u4e8b\u5b9e\u8bc1\u660e\uff0c\u4e0d\u53ef\u80fd\u521b\u5efa\u4e00\u4e2a\u201c\u7406\u60f3\u7684\u201d\u9632\u75c5\u6bd2\u8f6f\u4ef6\u3001\u4e00\u4e2a\u201c\u7406\u60f3\u7684\u201d\u78c1\u8d34\u8bbe\u7f6e\u5668\u3001\u4e00\u4e2a\u4e3a\u60a8\u7684\u5d29\u6e83\u5efa\u8bae\u7406\u60f3\u77ed\u8bed\u7684\u7a0b\u5e8f\u7b49\u7b49\u3002\u6096\u8bba\uff01 \u7136\u800c\uff0c\u8fd9\u79cd\u901a\u7528\u8ba1\u7b97\u673a\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u4efb\u4f55\u7b97\u6cd5\uff0c\u82f1\u56fd\u60c5\u62a5\u90e8\u95e8\u5229\u7528\u4e86\u8fd9\u4e00\u70b9\uff0c\u96c7\u4f63\u4e86\u56fe\u7075\u5e76\u5141\u8bb8\u521b\u5efa\u201cBombe\u201d\u673a\u5668\u6765\u7834\u8bd1\u7b2c\u4e8c\u6b21\u4e16\u754c\u5927\u6218\u671f\u95f4\u7684\u5fb7\u56fd\u4fe1\u606f\u3002 \u4ee5\u4e0b\u662f\u57fa\u4e8e\u539f\u59cb\u6587\u6863\uff0c\u4f7f\u7528 Dart \u8bed\u8a00\u5bf9\u5355\u78c1\u5e26\u8ba1\u7b97\u673a\u8fdb\u884c OOP \u5efa\u6a21\u3002 \u56fe\u7075\u673a\u7531\u5206\u6210\u591a\u4e2a\u90e8\u5206\u7684\u8584\u819c\u7ec4\u6210\uff0c\u6bcf\u4e2a\u90e8\u5206\u5305\u542b\u4e00\u4e2a\u7b26\u53f7\uff0c\u8fd9\u4e9b\u7b26\u53f7\u53ef\u4ee5\u8bfb\u53d6\u6216\u5199\u5165\u3002\u7535\u5f71\u7c7b\u793a\u4f8b\uff1a final _map = Map&lt;int, String&gt;(); String read({required int at}) { return _map[at] ?? &#8220;&#8221;; } void write({required String symbol, required int at}) { _map[at] = symbol; } } \u8fd8\u6709\u4e00\u4e2a\u201c\u626b\u63cf\u65b9\u5757\u201d\uff0c\u5b83\u53ef\u4ee5\u5728\u80f6\u7247\u4e0a\u79fb\u52a8\uff0c\u8bfb\u53d6\u6216\u5199\u5165\u4fe1\u606f\uff0c\u7528\u73b0\u4ee3\u8bed\u8a00\u6765\u8bf4\u5c31\u662f\u2014\u2014\u78c1\u5934\u3002\u78c1\u5934\u7c7b\u793a\u4f8b\uff1a int _index = 0; InfiniteTape _infiniteTape; TapeHead(this._infiniteTape) {} String next() { _index += 1; move(to: _index); final<a class=\"more-link\" href=\"https:\/\/demensdeum.com\/blog\/zh\/2021\/08\/08\/turing-bombe\/\">Continue reading <span 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