Question: Java Arraylist Problem Input Format The first line has an integer n. In each of the next n lines there will be an integer d

Java Arraylist Problem

Java Arraylist Problem Input Format The first line has an integer n.

Input Format The first line has an integer n. In each of the next n lines there will be an integer d denoting number of integers on that line and then there will be d space-separated integers. In the next line there will be an integer q denoting number of queries. Each query will consist of two integers z and y Constraints 1

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