タグ検索でexerciseは1件見つかりました。
"purple" dragon book / Exercise 4.4.5
Exercise 4.4.5 : The grammar S → a S a | a a generates all even-length strings of a's. We can devise a recursive-descent parser with backtrack for this grammar. If we choose to expand by production S → a a first, then we shall only recognize the string aa
https://seesaawiki.jp/w/naoya_t/d/%22purple%22%20d... - 2007年11月06日更新
https://seesaawiki.jp/w/naoya_t/d/%22purple%22%20d... - 2007年11月06日更新