摘要： // zzz.cpp //#include"zzz.h"void evaluation(string s){LinkStack S;InitStack(S);char ch;double a,b;istringstream iss(s);iss>>ch;while(ch!='#'){if(!OpMember(double(ch))) push_stack(S,(double)ch-'0');else{pop_stack(S,a); pop_stack(S,b);push_stack(S,operatorr(b,ch,a));}is 阅读全文