1505: 二叉树遍历(flist)
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:2
Solved:0
Description

Output
输出文件 flist.out 就一行,表示二叉树的先序序列。
Sample Input Copy
DBEAC
ABCDE
Sample Output Copy
ABDEC