mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-27 00:56:29 +08:00
40 lines
832 B
Kotlin
40 lines
832 B
Kotlin
|
/**
|
||
|
|
* File: binary_tree.kt
|
||
|
|
* Created Time: 2024-01-25
|
||
|
|
* Author: curtishd (1023632660@qq.com)
|
||
|
|
*/
|
||
|
|
|
||
|
|
package chapter_tree
|
||
|
|
|
||
|
|
import utils.TreeNode
|
||
|
|
import utils.printTree
|
||
|
|
|
||
|
|
/* Driver Code */
|
||
|
|
fun main() {
|
||
|
|
/* 初始化二叉树 */
|
||
|
|
// 初始化节点
|
||
|
|
val n1 = TreeNode(1)
|
||
|
|
val n2 = TreeNode(2)
|
||
|
|
val n3 = TreeNode(3)
|
||
|
|
val n4 = TreeNode(4)
|
||
|
|
val n5 = TreeNode(5)
|
||
|
|
// 构建节点之间的引用（指针）
|
||
|
|
n1.left = n2
|
||
|
|
n1.right = n3
|
||
|
|
n2.left = n4
|
||
|
|
n2.right = n5
|
||
|
|
println("\n初始化二叉树\n")
|
||
|
|
printTree(n1)
|
||
|
|
|
||
|
|
/* 插入与删除节点 */
|
||
|
|
val P = TreeNode(0)
|
||
|
|
// 在 n1 -> n2 中间插入节点 P
|
||
|
|
n1.left = P
|
||
|
|
P.left = n2
|
||
|
|
println("\n插入节点 P 后\n")
|
||
|
|
printTree(n1)
|
||
|
|
// 删除节点 P
|
||
|
|
n1.left = n2
|
||
|
|
println("\n删除节点 P 后\n")
|
||
|
|
printTree(n1)
|
||
|
|
}
|