11 2019 档案
摘要:#include<stdio.h> #include <iostream> #include<string.h> using namespace std; char *reserved[6] = {"begin","if","then","while","do","end"}; char input
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摘要:1.将以下文法消除左递归,分析符号串 i*i+i 。 并分别求FIRST集、FOLLOW集,和SELECT集 E -> E+T | T T -> T*F | F F -> (E) | i 2.P101练习7(2)(3)文法改写,并分别求FIRST集、FOLLOW集,和SELECT集 课堂练习: 求以
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