Distance Between Two Nodes In A Generic Tree
easy
1. You are given a partially written GenericTree class. 2. You are required to complete the body of distanceBetweenNodes function. The function is expected to return the distance (in terms of number of edges) between two nodes in a generic tree. Please watch the question video to understand what lca is. 3. Input and Output is managed for you.
Constraints
None
Format
Input
Input is managed for you
Output
Output is managed for you
Example
Sample Input
24
10 20 50 -1 60 -1 -1 30 70 -1 80 110 -1 120 -1 -1 90 -1 -1 40 100 -1 -1 -1
100
110
Sample Output
5
Question Video