X AND Y Tree

CodeChefRating 2291Open on judge ↗

Chef has a tree consisting of $N$ nodes, rooted at node $1$. Every node of this tree can be assigned a binary value $(0$ or $1)$. **Initially, every node is assigned 0.** - We define **AND-value** of a set of nodes as the [bitwise AND](https://en.wikipedia.org/wiki/Bitwise_operation#AND) of all the values of the nodes in it. - An edge in the tree is called **good**, if after removing this edge,

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI