Help!! A question to answer 2.2
ItsBean opened this issue · comments
Look at the leaves, the upper one has abεaεbε = abab, the lower one has aεbaεbε = abab, so they are the same strings.
Compilers Principles, Techniques, & Tools (purple dragon book) second edition exercise answers. 编译原理(紫龙书)第2版习题答案。
ItsBean opened this issue · comments
Look at the leaves, the upper one has abεaεbε = abab, the lower one has aεbaεbε = abab, so they are the same strings.