Node Picking

CodeChefOpen on judge ↗

There is an unrooted tree, T, with L leaves and N nodes. (Leaves are nodes with degree = 1.) For every node u, we define its rootScore. To calculate rootScore(u), first root the tree at u (which might be a leaf node). We also define a coloring procedure for any rooted tree. First remove any existing color from all the nodes. Then select some nodes and apply the colorSubtree function on them. W

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