← All problemsSign in

Family Tree

Chef's father told Chef to remember his family tree. His family tree contains $N$ vertices and $N-1$ edges representing a relationship between the family members. $As$ $it$ $is$ $family$ $tree,$ $so$ $edges$ $is$ $considered$ $to$ $be$ $directed$ $from$ $u$ $to$ $v.$ $(That$ $means$ $u$ $is$ $parent$ $of$ $v$, $but$ $vice$ $versa$ $is$ $not$ $true.)$ Now, Chef's father asked $Q$ questions to Ch

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

Sign in to chat with the tutor and save your progress.

Sign in to start