"棧頂運算符為: ％c ",getTop(optr)) printf("此時運算符為:％c ",e) printf("棧頂運算符優先級低,％c進棧 ",e)

"棧頂運算符為: ％c\n",getTop(optr)) printf("此時運算符為:％c\n",e) printf("棧頂運算符優先級低,％c進棧\n",e) ...