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Bit Tricks

Bit Tricks

Tricks? Yes, you read it right! Clever programmers always love such things. Bits have made my life so easy, that I always love to talk…
Go to the profile of Jhanak Didwania
Jhanak Didwania
Structural Design Pattern: 2. Adapter Pattern

Structural Design Pattern: 2. Adapter Pattern

What is an adapter pattern?
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Jhanak Didwania
Special Sub-sequences

Special Sub-sequences

The main goal of this article is finding out all the special sub-sequences of a string. To generate Special Sub-sequences, we need to…
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Jhanak Didwania
WINE SELLING PROBLEM

WINE SELLING PROBLEM

Today, we will have a walkthrough of a classical interview problem. This problem has been asked in many coding interviews and I hope you…
Go to the profile of Jhanak Didwania
Jhanak Didwania
Letter Combinations of a Phone Number

Letter Combinations of a Phone Number

In the ancient times, when there were no smartphones, the mobile phones used to have a keypad with digits ranging from 0–9 and some…
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Jhanak Didwania
Queens That Can Attack the King

Queens That Can Attack the King

Problem Statement:
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Jhanak Didwania
Creational Design Pattern: 2. Factory method

Creational Design Pattern: 2. Factory method

What is a factory method pattern?
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Jhanak Didwania
Minesweeper

Minesweeper

Have you played minesweeper before? Well, I believe yes, everyone has played that game during our childhood. But not everyone knows the…
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Jhanak Didwania

Uber and Arrays

This post is about a very beautiful interview question that was once asked by Uber. Question statement is as follows:
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Jhanak Didwania
The Staircase Problem

The Staircase Problem

High rise buildings and too many stairs! Well, wait! Do you ever think about the number of ways you can climb to the top? The probable…
Go to the profile of Jhanak Didwania
Jhanak Didwania
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