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/* *
* F i l e : b i n a r y _ t r e e . s w i f t
* C r e a t e d T i m e : 2 0 2 3 - 0 1 - 1 8
* A u t h o r : n u o m i 1 ( n u o m i 1 @ q q . c o m )
*/
import utils
@ main
enum BinaryTree {
/* D r i v e r C o d e */
static func main ( ) {
/* 初 始 化 二 叉 树 */
// 初 始 化 节 点
let n1 = TreeNode ( x : 1 )
let n2 = TreeNode ( x : 2 )
let n3 = TreeNode ( x : 3 )
let n4 = TreeNode ( x : 4 )
let n5 = TreeNode ( x : 5 )
// 构 建 节 点 之 间 的 引 用 （ 指 针 ）
n1 . left = n2
n1 . right = n3
n2 . left = n4
n2 . right = n5
print ( " \n 初始化二叉树 \n " )
PrintUtil . printTree ( root : n1 )
/* 插 入 与 删 除 节 点 */
let P = TreeNode ( x : 0 )
// 在 n 1 - > n 2 中 间 插 入 节 点 P
n1 . left = P
P . left = n2
print ( " \n 插入节点 P 后 \n " )
PrintUtil . printTree ( root : n1 )
// 删 除 节 点 P
n1 . left = n2
print ( " \n 删除节点 P 后 \n " )
PrintUtil . printTree ( root : n1 )
}
}
