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Binary Search Tree Iterator
Bookmark
Input
Standard
Complete BST
Sparse BST
Custom
tree
=
[7, 3, 15, null, null, 9, 20]
7
3
15
9
20
Stack
next() values:
[]
algo
master
.
io
Step:
Start: Binary Search Tree Iterator
0 / 29
Input
Standard
Complete BST
Sparse BST
Custom
tree
=
[7, 3, 15, null, null, 9, 20]
0 / 29
7
3
15
9
20
Stack
next() values:
[]
algo
master
.
io
Step:
Start: Binary Search Tree Iterator
