A.棧滿時(shí)作退棧運(yùn)算 B.棧滿時(shí)作進(jìn)棧運(yùn)算 C.??諘r(shí)作退棧運(yùn)算 D.??諘r(shí)作進(jìn)棧運(yùn)算
A.DCAB B.CDAB C.DBAC D.ACDB
A.ABC B.CBA C.CAB D.ACB