Question

XOR Paths
You are given the following:
A tree I consisting of n nodes
. An integer x
Each node has some value wil associated with it
Task
Determine the number of simple paths in the tree, such that the bitwise xor of elements on the simple path is x
Note A simple path between node u and vis defined as a sequence of edges that connects node u and and includes the occurrence of a node at
most porice

Answer 1

Answer:

Note A simple path between node u and vis defined as a sequence of edges that connects node u and and includes the occurrence of a node at