#标题回答解析创建时间
1设有一个栈,元素依次进栈的顺序是A,B,C,D,E。下列不可能的出栈顺序有?CA、ABCDE : A in A out, B in B out, C in C out , D in D out, E in E out B、BCDEA:A in B in B out , C in C out , D in D out ,E in E out A out C、EABCD: D、EDCBA: A in B in C in D in E in E out D out C o B o A oApr 16, 2019, 6:45:59 PM
2正则表达式 1*(0|01)* 表示的集合元素的特点是() 。D是以0或01结尾的串,不会包含11的情况Apr 16, 2019, 6:37:04 PM