Magic Square
A magic square is an arrangement of numbers in a square grid, where the numbers in each row, and in each column, and the numbers in the forward and backward mai...
Author: Sreekumar Kj
Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics.
He now runs a conversational AI company - DheeYantra - focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.
Android development primer: Progress Dialog in Android – Horizontal Style
In the last post, we saw how to make a Progress Dialog with Spinner style progress bar. Here, we will see how to make a Horizontal Style bar. Set the content vi...
Largest multiple of 3
Given an array of digits,the task is to find the largest multiple of 3 that can be formed from array elements. Example- Input array is {4,8,0}.Then,the largest ...
Android development primer: Progress Dialog in Android – Spinner Style
I have already posted about the Alert Dialog and the Custom Dialog in Android. However, in this post, I will show you how to make your application fancier by ad...
Android development primer: Creating Dialogs in Android
We have seen how to create and use Alert Dialog. Now we will see how to create and use a general dialog. In most places you find Alert Dialog explained on after...
Fibonacci Numbers
Fibonacci is the most famous sequence in the programming world. It is defined by the following recursive formulation: f(n)=f(n-1) + f(n-2) where f(0)=0 & f(...
BFS & DFS
A traversal is a systematic walk which visits the nodes of the graph in a specific order. Two Types:- 1.Breadth First Traversal 2.Depth First Traversal Breadth ...
All about Factorial(!)
In mathematics,the factorial of any positive number N is the product of the positive integers less than or equal to N.It is denoted by ‘N!’. Example- 5!= 5*4*3*...
Android development primer: Creating layouts for Alert Dialog
Don’t like the traditional way in which the Alert Dialog appears? Would you rather have a custom layout for it? Well, not a problem at all. In this post I will ...
Android development primer: Creating Alert Dialogs in Android
In Android devices, probably the thing that we come across most frequently is Alert Dialog Boxes. If you are not familiar with an Alert Dialog Box, here’s what ...