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Categories of Questions

## Array Questions Affirm

**Question 1. Insert Delete GetRandom** In Insert Delete GetRandom problem we need to design a data structure that supports all following operations in average O(1) time. insert(val): Inserts an item val to the set if not already present. remove(val): Removes an item val from the set if present. getRandom: Returns a random element from the current set ...

**Question 2. Check if Two given Matrices are Identical** Problem Statement Given two matrices, we will write a function to check whether the two matrices are identical or not. That is, if all the elements in the respective positions of the two matrices are the same, then we say that they are identical. Input Format The first line containing ...

## Matrix Questions Affirm

**Question 3. Check if Two given Matrices are Identical** Problem Statement Given two matrices, we will write a function to check whether the two matrices are identical or not. That is, if all the elements in the respective positions of the two matrices are the same, then we say that they are identical. Input Format The first line containing ...