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Populating Next Right Pointers in Each Node II
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Input
Example 1
Complete Binary Tree
Sparse Tree
Left-Skewed
Custom
tree
=
[1, 2, 3, 4, 5, null, 7]
1
2
3
4
5
7
L0
L1
L2
queue
connect each level, any tree shape
algo
master
.
io
Step:
Start: connect nodes level by level with BFS
0 / 22
Input
Example 1
Complete Binary Tree
Sparse Tree
Left-Skewed
Custom
tree
=
[1, 2, 3, 4, 5, null, 7]
0 / 22
1
2
3
4
5
7
L0
L1
L2
queue
connect each level, any tree shape
algo
master
.
io
Step:
Start: connect nodes level by level with BFS
