Clustering analysis or simply Clustering is basically an Unsupervised learning method that divides the data points into a number of specific batches or groups, such… Read More »

Given an array arr[] of non-negative integers, the task is to find an integer X such that (arr[0] XOR X) + (arr[1] XOR X) +… Read More »

Kivy is a platform independent GUI tool in Python. As it can be run on Android, IOS, Linux and Windows, etc. It is basically used… Read More »

We have introduced Bellman Ford and discussed on implementation here. Input: Graph and a source vertex src Output: Shortest distance to all vertices from src.… Read More »

Given a Binary Tree, the task is to find the size of largest Complete sub-tree in the given Binary Tree. Complete Binary Tree – A… Read More »

Given a binary array arr[] and q queries of following types: k: find the index of the kth set bit i.e. kth 1 in the… Read More »

Given Preorder, Inorder and Postorder traversals of some tree. The task is to check if they all are of the same tree. Examples: Input :… Read More »

Regular Expressions are capable of describing the syntax of Tokens. Any syntactic construct that can be described by Regular Expression can also be described by… Read More »

Given an n-ary tree and Q queries where each query consists of an integer u which denotes a node. The task is to print the… Read More »

The Framework Class Library or FCL provides the system functionality in the .NET Framework as it has various classes, data types, interfaces, etc. to perform… Read More »

Given an unsorted array and two numbers x and k, find k closest values to x. Examples: Input : arr[] = {10, 2, 14, 4,… Read More »

Given an integer n, the task is to find the minimum number of cubes whose sum equals to N. Examples: Input: N = 496 Output:… Read More »

This is a WIPRO model placement paper for placement preparation. This placement paper will cover aptitude, logical and reasoning, verbal and coding questions that are… Read More »

Position: Senior software engineer – Office 365 team I initially applied for senior software engineer position in Office 365 Team in Dublin, Ireland in Aug… Read More »

As when we write the application in Python kivy, to write all the things on the same code make a mess in the code and… Read More »

Given an array of strings arr[] and given some queries where each query consists of a string str and an integer k. The task is… Read More »

Given an array of N elements. The task is to find the length of the longest subarray such that sum of the subarray is even.… Read More »

Given a tree, and the weights of all the nodes and an integer x, the task is to find a node i such that weight[i]… Read More »

Give an array arr[] of N integers and another integer k ≤ N. The task is to find the maximum element of every sub-array of… Read More »

Given three strings A, B and C. Each of these is a string of length N consisting of lowercase English letters. The task is to… Read More »