20+ Reliance Industries Interview Questions and Answers

You are given an array (ARR) of length N, consisting of integers. You have to find the sum of the subarray (including empty subarray) having maximum sum among all subarrays.

A subarray is a ...read more

Ninja has a number ‘N’. He wants to print the pattern in such a way that the outer rectangle is of the number ‘N’ and the number goes on decreasing as we move inside the rectangles.

For examp...read more

You are given an array 'ARR' of integers of length N. Your task is to find the first missing positive integer in linear time and constant space. In other words, find the lowest positive in...read more

Gary has N coins placed in a straight line. Some coins have head side up, and others have the tail side up.

Convention:

1 denotes the HEAD side is up. 0 denotes the TAIL side is up. 

Now, Gary wan...read more

Given an increasing sequence 'VEC', find the 'Kth' missing contiguous element in the given sequence starting from the leftmost element of the array.

Example :

Given 'VEC' : {1,4,5,7} 'K' : 3...read more

You are given an unsorted array containing ‘N’ integers. You need to find ‘K’ largest elements from the given array. Also, you need to return the elements in non-decreasing order.

Input Format:...read more

You have been given a 9 X 9 2D matrix 'MATRIX' with some cells filled with digits(1 - 9), and some empty cells (denoted by 0).

You need to find whether there exists a way to fill all the empty cells with...read more

A binary array is an array consisting of only 0s and 1s.

You are given a binary array "arr" of size ‘N’. Your task is to sort the given array and return this array after sorting.

Input Forma...read more

You are given an N * N matrix of integers where each row and each column is sorted in increasing order. You are given a target integer 'X'. Find the position of...read more

You have given a Singly Linked List of integers, determine if it forms a cycle or not.

A cycle occurs when a node's next points back to a previous node in the list. The li...read more

You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.

For example:

 If the given string is: STR = "abcde". You h...read more

You are given an integer 'N'. For a given 'N' x 'N' chessboard, find a way to place 'N' queens such that no queen can attack any other queen on the chessboard.

A queen can be killed when it lies in the ...read more

You are given a document as an Array/List 'ARR' of words of length ‘N’. You have to perform Q queries. In each query, you are given two words. Your task is to find the smallest distance between the...read more

You are given an array arr of length N. You have to return a list of integers containing the NGE(next greater element) of each element of the given array. The NGE for an element X is the fir...read more

You are given an integer of array/list 'ARR' of length ‘N. You are supposed to return true if it is possible to construct at least one non-degenerate triangle using values of array/list as sides...read more

Given a binary tree, convert this binary tree into its mirror tree.

A binary tree is a tree in which each parent node has at most two children.

Mirror of a Tree: Mirror of a Bi...read more

You are given an array ‘ARR’ consisting of 'N' integers, and your task is to sort the given array in non-decreasing order using the Heap sort algorithm.

Input Format:

The first line of the input conta...read more

You have been given a Binary Tree of integers. You are supposed to return the level order traversal of the given tree.

For example:

For the given binary tree 

The level order traversal wil...read more

For a given string(str) and a character X, write a function to remove all the occurrences of X from the given string and return it.

The input string will remain unchanged if the given character(...read more

Ninja is given a pattern. Now he is asked to print the same pattern for any given ‘N’ number of rows.

For example, Pattern for ‘N’ = 4 will be. 1 232 34545 4567654 

Input Format:

The...read more

Which is better - B Tree or Hash table?

What are virtual functions ?

What is indexing?

Minimum planes to go around the world

5 Pirates and 100 Gold Coins