TCS Interview Questions
TCS is a great place to start your career as a fresher. It offers a great workplace as well as a friendly environment with a… Read More »
Category Archives: Articles
PyQt5 – How to automate Progress Bar while downloading using urllib?
PyQt5 is one of the emerging GUI libraries in terms of developing Python GUI Desktop apps. It has rich and robust functionality which ensures production… Read More »
Add and Remove Edge in Adjacency Matrix representation of a Graph
Prerequisites: Graph and its representations Given an adjacency matrix g[][] of a graph consisting of N vertices, the task is to modify the matrix after… Read More »
Finding reminder of a large number
Number System is an important concept for solving GATE Aptitude questions and aptitude for entrance exams for different companies. The below is an important question… Read More »
Check if two nodes are on same path in a tree | Set 2
Given two nodes of a binary tree v1 and v2, the task is to check if two nodes are on the same path in a… Read More »
Minimum count of numbers required with unit digit X that sums up to N
Given two integers N and X, the task is to find the minimum count of integers with sum N and having unit digit X. If… Read More »
Print the longest path from root to leaf in a Binary tree
Given a binary tree, the task is to print the longest path from the root node to the leaf node. If there are multiple answers… Read More »
Largest number M less than N such that XOR of M and N is even
Given a positive integer N, the task is to find the largest integer M such that 0 <= M < N and XOR(M, N) is… Read More »
Count of 0s to be flipped to make any two adjacent 1s at least K 0s apart
Given a binary string s and a number K, the task is to find the maximum number of 0s that can be replaced by 1s… Read More »
Shortest path in a complement graph
Given an undirected non-weighted graph G. For a given node start return the shortest path that is the number of edges from start to all… Read More »
Maximum size subset with given sum using Backtracking
Given an array arr[] consisting of N integers and an integer K, the task is to find the length of longest subsequence with sum equal… Read More »
Maximize Profit by trading stocks based on given rate per day
Given an array arr[] of N positive integers which denotes the cost of selling and buying a stock on each of the N days. The… Read More »
First element of every K sets having consecutive elements with exactly K prime factors less than N
Given two integers N and K, the task is to find the first element for every set of K consecutive elements which have exactly K… Read More »
Puzzle | Single Elimination Tournament
In a single-elimination tournament, such as the tennis Grand Slam championships – every losing player is immediately eliminated from the subsequent rounds until a single… Read More »
Minimum changes required to make all Array elements Prime
Given an array of integers arr[], the task is to count the minimum number of changes required to convert each array element to its nearest… Read More »
