-
Notifications
You must be signed in to change notification settings - Fork 7
/
Main.java
47 lines (43 loc) · 1.21 KB
/
Main.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
package com.company;
class TreeNode {
int val;
TreeNode left;
TreeNode right;
TreeNode() {}
TreeNode(int val) { this.val = val; }
TreeNode(int val, TreeNode left, TreeNode right) {
this.val = val;
this.left = left;
this.right = right;
}
}
public class Main {
public static void main(String[] args) {
TreeNode a = new TreeNode(1);
TreeNode b = new TreeNode(2);
TreeNode c = new TreeNode(5);
TreeNode d = new TreeNode(3);
TreeNode e = new TreeNode(4);
TreeNode f = new TreeNode(6);
a.left = b;
a.right = c;
b.left = d;
b.right = e;
c.right = f;
flatten(a);
}
public static void flatten(TreeNode root) {
TreeNode pointer = root;
while (pointer != null){
if(pointer.left != null){
TreeNode mostRight = pointer.left;
while (mostRight.right != null)
mostRight = mostRight.right;
mostRight.right = pointer.right;
pointer.right = pointer.left;
pointer.left = null;
}
pointer = pointer.right;
}
}
}