QwikCilver Solutions Interview Questions and Answers

Ninja is sitting in an examination hall. He is encountered with a problem statement, "Find ‘X’ to the power ‘N’ (i.e. ‘X’ ^ ‘N’). Where ‘X’ and ‘N’ are two integers."

Ninja was not prepare...read more

You are given an array ‘ARR’ of length ‘N’ which is filled with the values such that ARR[i] = (2*i + 1). You have to perform operations on the ‘ARR’ to make all elements of...read more

Rafiq loves to play with dominoes. On his birthday his father gifted him ‘N’ piles of dominoes, where each pile contains a positive number of dominoes stacked above.

Rafiq loves to play with pil...read more

Ninja started a gaming shop and for that shop, he is planning to make a new game ‘String Ka Khel’. In that game user is provided with ‘N’ number of strings and he has to find out the maximum lengt...read more

You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to return the list of all pairs of elements such that each sum of elements of each pair equals 'S'.

Note:

Each pair shou...read more

You are given an infinite array consisting of only ones and zeroes, in sorted order. You have to find the index of the first occurrence of 1.

Example:

If the array is 0 0 0 0 ...read more

You need to implement the Stack data structure using a Singly Linked List.

Create a class named 'Stack' which supports the following operations(all in O(1) time):

getSize: Retur...read more

What is Normalization?

What is LRU cache? How to implement it? Any real-life example where LRU is used?

What are the normal forms? Explain any three normal forms.