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Tree - Interview Questions

1
Find Elements In A Contaminated Binary Tree
2
Count Complete Tree Nodes
3
Binary Tree Maximum Path Sum
4
Smallest Subtree With All The Deepest Nodes
5
All Nodes Distance K In Binary Tree
6
Find Bottom Left Tree Value
7
Maximum Binary Tree
8
Reorder Routes To Make All Paths Lead To The City Zero
9
Minimum Depth Of Binary Tree
10
Construct String From Binary Tree
11
Longest Zigzag Path In A Binary Tree
12
Binary Tree Pruning
13
Binary Tree Zigzag Level Order Traversal
14
Print Binary Tree
15
Binary Tree Postorder Traversal
16
Cousins In Binary Tree
17
Construct Binary Tree From Preorder And Postorder Traversal
18
Binary Tree Upside Down
19
Path Sum Ii
20
Path Sum Iii
21
Check If A String Is A Valid Sequence From Root To Leaves Path In A Binary Tree
22
Tree Diameter
23
Construct Binary Tree From Preorder And Inorder Traversal
24
Recover Binary Search Tree
25
Binary Search Tree Iterator
26
Find A Corresponding Node Of A Binary Tree In A Clone Of That Tree
27
Lowest Common Ancestor Of A Binary Tree
28
Construct Binary Tree From String
29
Binary Tree Level Order Traversal Ii
30
Most Frequent Subtree Sum
31
Binary Tree Right Side View
32
Flip Equivalent Binary Trees
33
All Elements In Two Binary Search Trees
34
Serialize And Deserialize Binary Tree
35
Sum Of Left Leaves
36
House Robber Iii
37
Sum Of Nodes With Even Valued Grandparent
38
Balanced Binary Tree
39
Find Largest Value In Each Tree Row
40
Inorder Successor In Bst Ii
41
Lowest Common Ancestor Of A Binary Search Tree
42
Split Bst
43
N Ary Tree Preorder Traversal
44
Encode N Ary Tree To Binary Tree
45
N Ary Tree Postorder Traversal
46
Maximum Depth Of N Ary Tree
47
Boundary Of Binary Tree
48
Verify Preorder Sequence In Binary Search Tree
49
Count Good Nodes In Binary Tree
50
Convert Bst To Greater Tree
51
Maximum Width Of Binary Tree
52
Minimum Absolute Difference In Bst
53
Complete Binary Tree Inserter
54
Binary Tree Tilt
55
Binary Tree Longest Consecutive Sequence Ii
56
Kill Process
57
Vertical Order Traversal Of A Binary Tree
58
Unknown
59
Maximum Difference Between Node And Ancestor
60
Linked List In Binary Tree
61
Convert Sorted Array To Binary Search Tree
62
Unique Binary Search Trees
63
Sum Of Root To Leaf Binary Numbers
64
Recover A Tree From Preorder Traversal
65
Path Sum
66
Unique Binary Search Trees Ii
67
Binary Tree Longest Consecutive Sequence
68
Maximum Depth Of Binary Tree
69
Second Minimum Node In A Binary Tree
70
Maximum Binary Tree Ii
71
Delete Node In A Bst
72
Unknown
73
Kth Smallest Element In A Bst
74
Construct Binary Search Tree From Preorder Traversal
75
Find Mode In Binary Search Tree
76
Univalued Binary Tree
77
Sum Root To Leaf Numbers
78
Trim A Binary Search Tree
79
Symmetric Tree
80
Insert Into A Binary Search Tree
81
Binary Tree Preorder Traversal
82
Path In Zigzag Labelled Binary Tree
83
Binary Tree Coloring Game
84
Search In A Binary Search Tree
85
Find Leaves Of Binary Tree
86
Two Sum Iv Input Is A Bst
87
Path Sum Iv
88
Convert Binary Search Tree To Sorted Doubly Linked List
89
Range Sum Of Bst
90
Find Duplicate Subtrees
91
Flatten Binary Tree To Linked List
92
Diameter Of Binary Tree
93
Redundant Connection
94
Inorder Successor In Bst
95
Subtree Of Another Tree
96
N Ary Tree Level Order Traversal
97
Maximum Average Subtree
98
Smallest String Starting From Leaf
99
Deepest Leaves Sum
100
Lowest Common Ancestor Of Deepest Leaves
101
Largest Bst Subtree
102
Delete Nodes And Return Forest
103
Minimum Distance Between Bst Nodes
104
Distribute Coins In Binary Tree
105
Binary Tree Level Order Traversal
106
Serialize And Deserialize Bst
107
Sum Of Distances In Tree
108
Populating Next Right Pointers In Each Node
109
Longest Univalue Path
110
Binary Tree Inorder Traversal
111
Minimum Time To Collect All Apples In A Tree
112
Delete Leaves With A Given Value
113
Increasing Order Search Tree
114
Serialize And Deserialize N Ary Tree
115
Pseudo Palindromic Paths In A Binary Tree
116
Count Univalue Subtrees
117
Construct Binary Tree From Inorder And Postorder Traversal
118
Leaf Similar Trees
119
Invert Binary Tree
120
Minimum Cost Tree From Leaf Values
121
Populating Next Right Pointers In Each Node Ii
122
Average Of Levels In Binary Tree
123
Closest Leaf In A Binary Tree
124
Binary Tree Cameras
125
Unknown
126
Smallest Common Region
127
Equal Tree Partition
128
Flip Binary Tree To Match Preorder Traversal
129
Check Completeness Of A Binary Tree
130
Same Tree
131
All Possible Full Binary Trees
132
Redundant Connection Ii
133
Merge Two Binary Trees
134
Add One Row To Tree
135
Maximum Product Of Splitted Binary Tree