{"author_url":"https://blog.hatena.ne.jp/kikx/","title":" \u5927\u91cf\u306e\u610f\u5473\u4e0d\u660e\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u683c\u95d8\u3057\u305f\u7d50\u679c","description":"\u4eca\u56de\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u6587\u6cd5\u306f epxr ::= int_lit | '(' op expr expr ')' int_lit ::= token(int_lit_s) op ::= token(op_s) int_lit_s ::= digit digit* op ::= alpha alpha* token(T) ::= T ' '*token(T)\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306a\u30eb\u30fc\u30eb\u3067\u3042\u308a\u3001T\u306b\u5bfe\u3057\u3066T\u306e\u5f8c\u308d\u306e\u7a7a\u767d\u6587\u5b57\u3092\u98df\u3063\u3066\u3057\u307e\u3046\u30eb\u30fc\u30eb\u3002\u30d1\u30fc\u30b6\u306e\u30bd\u30fc\u30b9 #include <iostream> #include <string> #include <boost/lexical_cast.hpp> #inclu\u2026","provider_name":"Hatena Blog","height":"190","width":"100%","blog_url":"https://kikx.hatenadiary.org/","published":"2009-09-22 04:20:25","url":"https://kikx.hatenadiary.org/entry/20090922/1253560825","version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkikx.hatenadiary.org%2Fentry%2F20090922%2F1253560825\" title=\" \u5927\u91cf\u306e\u610f\u5473\u4e0d\u660e\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u683c\u95d8\u3057\u305f\u7d50\u679c - \u83ca\u3084\u3093\u306e\u96d1\u8a18\u5e33\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","image_url":null,"author_name":"kikx","categories":["C++"],"blog_title":"\u83ca\u3084\u3093\u306e\u96d1\u8a18\u5e33"}