#18865. 二叉树遍历(flist)
二叉树遍历(flist)
说明
输出格式
输出文件 flist.out 就一行,表示二叉树的先序序列。
DBEAC
ABCDE
ABDEC
DBEAC
ABCDE
ABDEC
By signing up a 算道OJ universal account, you can submit code and join discussions in all online judging services provided by us.