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1.1 KiB
1.1 KiB
btreedeletenode
Instructions
Write a function, BTreeDeleteNode, that deletes 'node' from the tree given by root.
The resulting tree should still follow the binary search tree rules.
This function must have the following signature.
Expected function
func BTreeDeleteNode(root, node *TreeNode) *TreeNode {
}
Usage
Here is a possible program to test your function :
package main
import (
"fmt"
student ".."
)
func main() {
root := &student.TreeNode{Data: "4"}
student.BTreeInsertData(root, "1")
student.BTreeInsertData(root, "7")
student.BTreeInsertData(root, "5")
node := student.BTreeSearchItem(root, "4")
fmt.Println("Before delete:")
student.BTreeApplyInorder(root, fmt.Println)
root = student.BTreeDeleteNode(root, node)
fmt.Println("After delete:")
student.BTreeApplyInorder(root, fmt.Println)
}
And its output :
student@ubuntu:~/student/btreedeletenode$ go build
student@ubuntu:~/student/btreedeletenode$ ./btreedeletenode
Before delete:
1
4
5
7
After delete:
1
5
7
student@ubuntu:~/student/btreedeletenode$