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Minimum increment operations to make the array in increasing orderGiven an array of size N and X. Find minimum moves required to make the array in increasing order. In each move one can add X to any element in the array.Examples:Input : ... Read More
Product of all leaf nodes of binary treeGiven a binary tree, find the product of all the leaf nodes.Examples:Input : 1 / \ 2 3 / \ / \ 4 5 6 7 \ 8Output :prod... Read More
Find if an undirected graph contains an independent set of a given sizeGiven an undirected graph, check if it contains an independent set of size k. Print 'Yes' if there exists an independent set of size k. Print 'No' otherwise.Independent Se... Read More
Sum of all odd frequency elements in an arrayGiven an array of integers containing duplicate elements. The task is to find the sum of all odd occurring elements in the given array. That is the sum of all such element... Read More
Sum of all minimum occurring elements in an ArrayGiven an array of integers containing duplicate elements. The task is to find the sum of all least occurring elements in the given array. That is the sum of all such eleme... Read More
Sum of all even occurring element in an arrayGiven an array of integers containing duplicate elements. The task is to find the sum of all even occurring elements in the given array. That is the sum of all such elemen... Read More
Find the sum of all highest occurring elements in an ArrayGiven an array of integers containing duplicate elements. The task is to find the sum of all highest occurring elements in the given array. That is the sum of all such ele... Read More
Check if a pair with given absolute difference exists in a MatrixGiven an N×M matrix and a difference K. The task is to check if a pair with the given absolute difference exists in the matrix or not.Examples:Input: mat[N][M] = {{1, 2, 3... Read More
Check if a pair with given product exists in a MatrixGiven an NxM matrix and a product K. The task is to check if a pair with the given product exists in the matrix or not.Examples:Input: mat[N][M] = {{1, 2, 3, 4}, ... Read More
Pair with given sum in matrixGiven a NxM matrix and a sum S. The task is to check if a pair with given Sum exists in the matrix or not.Examples:Input: mat[N][M] = {{1, 2, 3, 4}, {5, 6, ... Read More
Print N lines of 4 numbers such that every pair among 4 numbers has a GCD KGiven N and K, the task is to print N lines where each line contains 4 numbers such that every among those 4 numbers has a GCD K and the maximum number used in N*4 should ... Read More
Maximize the number of subarrays with XOR as zeroGiven an array of N numbers. The task is to maximize the number of subarrays with XOR value zero by swapping the bits of an array element of any given subarray any number ... Read More
Droom Technology Internship Interview ExperienceDroom Technology visited our campus recently and I bagged an internship opportunity there.First Round: The first round was a written test consisting of 20 MCQs divided bet... Read More