Family Tree
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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
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solution.cppC++17
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