533. Coding Test on Binary Tree
0
Easy
Find LCA(Lowest Common Ancestor) of two nodes in a Binary Tree.
Input Format
Enter the values of all the nodes in the binary tree in pre-order format where true suggest the node exists and false suggests it is NULL
next two line contains 2 element of BT
Output Format
Display the LCA value.
Example
Input
10 true 20 true 40 false false true 50 false false true 30 true 60 false false true 73 false false
50
60
Output
10
Constraints
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