Given an integer N, the task is to find the number of binary strings possible of length N having same frequency of 0s and 1s.… Read More »
Given a number N, the task is to count the number of unique digits in the given number. Examples: Input: N = 22342 Output: 2 Explanation:The digits… Read More »
Given an array arr[] of size N and D index, the task is to rotate the array by the D index. Left Rotate: Array rotate… Read More »
Given an array arr[] of size N and integer Y, the task is to find a minimum of all the differences between the maximum and… Read More »
Given a string str and two characters X and Y, the task is to write a recursive function to replace all occurrences of character X… Read More »
We all know that Fibonacci numbers (Fn) is defined by the recurrence relation Fibonacci Numbers (Fn) = F(n-1) + F(n-2) with seed values F0 =… Read More »
Kali Linux is a Debian-derived Linux distribution that is maintained by Offensive Security. It was developed by Mati Aharoni and Devon Kearns. Kali Linux is… Read More »
Given a string str and an integer K, the task is to find a string S such that it has exactly K subsequences of given… Read More »
A CheckBox is a special kind of button in Android which has two states either checked or unchecked. The Checkbox is a very common widget… Read More »
Given an array arr[] of N integers, the task is to replace each element of Array with their rank in array. The rank of an… Read More »
RadioGroup class of Kotlin programming language is used to create a container which holds multiple RadioButtons. The RadioGroup class is beneficial for placing a set… Read More »
ImageView class is used to display any kind of image resource in the android application either it can be android.graphics.Bitmap or android.graphics.drawable.Drawable (it is a… Read More »
VideoView class of Kotlin is used to display video files in the android application. This class supports the 3gp and MP4 video formats. VideoView class… Read More »
Given a number N, the task is to find the sum of Hamming difference of consecutive numbers from 0 to N. Hamming Distance between two… Read More »
1. Data Privacy : Data Privacy refers to the proper handling of data means how a organization or user is determining whether or what data… Read More »
Given a binary array arr[], the task is to find the longest subarray of non-empty cells after the removal of at most 1 empty cell.… Read More »
Given two integers N and K, the task is to find the count of N-digit numbers such that the absolute difference of adjacent digits in… Read More »
The Project Name is Decentralized Voting Application (DApps) which is built on Solidity Language. This Project showcases a lot of Solidity’s features. It implements a… Read More »
I come from a Tier-3 private engineering college based out of Kolkata, India. I got to know about the opportunity at Rakuten through our college… Read More »
Given an integer array arr[] of size N and an integer K. The task is to find length of longest subsequence whose sum is less… Read More »


