
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Arnab Chakraborty has Published 4293 Articles

Arnab Chakraborty
251 Views
Suppose we have an angle a. We have to check whether we can make a regular polygon where all angles are same as a or not.So, if the input is like a = 120, then the output will be True the pentagon has all angles same as 120°. As we ... Read More

Arnab Chakraborty
504 Views
Suppose we have a number n. We have to check whether we can create an alphabetical lowercase string from that number and check whether the string is palindrome or not. Here we will take only characters from a to j, [a = 0, b = 1... j = 9]. So ... Read More

Arnab Chakraborty
207 Views
Suppose we have two strings s and t with only three characters 'A', 'B' and '#'. We have to check whether it is possible to convert s into t by performing these operations on s.'A' can move only to the left hand side'B' can move only to the right hand ... Read More

Arnab Chakraborty
465 Views
Suppose we have an array called nums and another value sum. We have to check whether it is possible to get sum by adding elements present in nums, we may pick a single element multiple times.So, if the input is like nums = [2, 3, 5] sum = 28, then ... Read More

Arnab Chakraborty
353 Views
Suppose we have a string s, we have to check whether we can split it into four sub-strings such that each of them are non-empty and unique.So, if the input is like s = "helloworld", then the output will be True as one of the possible set of sub-strings are ... Read More

Arnab Chakraborty
8K+ Views
Suppose we have a number n. We have to check whether the number n is perfect square or not. A number is said to be a perfect square number when its square root is an integer.So, if the input is like n = 36, then the output will be True ... Read More

Arnab Chakraborty
1K+ Views
Suppose we have a number n. We have to check whether n is an Emirp number or not. We all know Emirp number is (letters of prime in backward direction) is a prime number that results in a different prime when its digits are reversed.So, if the input is like ... Read More

Arnab Chakraborty
178 Views
Suppose we a number n and another value x, we have to check whether it is a power of x or not, where x is a number power of 2.So, if the input is like n = 32768 x = 32, then the output will be True as n is ... Read More

Arnab Chakraborty
1K+ Views
Suppose we have a list of four sides, we have to check whether these four sides are forming a rectangle or not.So, if the input is like sides = [10, 30, 30, 10], then the output will be True as there are pair of sides 10 and 30.To solve this, ... Read More

Arnab Chakraborty
409 Views
Suppose we have an array of numbers called nums, where all elements are unique. We have to check whether nums is almost sorted or not. As we know an array is almost sorted when any of its elements can occur at a maximum of 1 distance away from its original ... Read More