Urgent Task

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Red has sabotaged the Reactor. You ran there and had to fix the sabotage by doing a task. The task is as follows : You have a bag of strings, initially containing only one Null/empty string with $id$ $=$ $0$. You are given $Q$ queries. You have to process these queries and answer them accordingly. A query can be of two type : $(1)$. $1$ $str$ $ch$, you form a new string with $id$ = $number$ $of$

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solution.cppC++17

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