All Hard Articles
For a vehicle going at high speed along a curved road, banking of road is the ideal solution. The outside edge of a road is… Read More
Status: 2021 graduate Work: SDE1 Applied through amazon job portal. Round 1(Online Coding Test): 2 questions, 120 minutes Explanation with Time complexity and Space complexityArray… Read More
Given a range [L, R), the task is to count the numbers that remain unchanged when rotated 180 degrees clockwise. Examples: Input: L = 0,… Read More
Lollipin is a Lollipop material design-styled android Pincode library that provides developers to implement a material Pincode activity without any hustle. Now, the question is… Read More
CRUD means Create, Read, Update and Delete. These are the basic important operations carried out on the Database and in applications. We can able to… Read More
Given two arrays a[] and b[] of size N and an integer K. The task is to find the maximum power that can be achieved… Read More
 Given K (K > 2) arrays of different sizes in a 2D list arr[][] where elements in each array are non-negative. Find the minimum common… Read More
In the TCP header, the window size field is of size 16 bits. Using this field TCP users (client or server) can advertise a maximum… Read More
TCP handshake takes one full RTT(round trip time). RTT is the time taken by a packet to reach from sender to receiver and back. One… Read More
Once a connection is established between client and server, the sender sends the data to the receiver in form of packets. If the network is… Read More
I was contacted by an amazon recruiter for the SDE-1 role. Coding Round: Two questions were asked to be solved in 105 minutes in which… Read More
Given two integers D and K. The task is to find the smallest number N which has at least K prime divisors and the difference… Read More
Given an array arr[] denoting the radius of circular pizzas and an integer N denoting the number of friends. The task is to calculate the… Read More
Given a string str, the task is to find whether it contains an additive sequence or not. A string contains an additive sequence if its… Read More
Oracle database is the most commonly used database in transaction processing, data warehousing, and several other applications. SQLPlus is the basic Oracle Database utility and… Read More
In this article, we will discuss how to remove outliers from Multiple Columns in the R Programming Language. To remove outliers from a data frame,… Read More
Given a binary integer N, the task is to convert it into base 6. Note: The number of bits in N is up to 100. … Read More
Given an array arr[] of length N, the task is to remove the minimum number of elements from the array to make it a mountain… Read More
The questions of Inequality chapters are considered as important questions in the Logical Reasoning section of various Bank PO, Clerk, SSC, and Railways exams. In… Read More
A demo website is a website that contains content that is relevant to the work you do and shows off your skills. A demo website… Read More