Susam Pal

On technology, mathematics, etc.

Auto Rickshaw Fare Conversion

By Susam Pal on 24 Dec 2013

Approximation Problem: Auto rickshaw fare in Bangalore was revised on Fri, 20 Dec 2013. The old rate for an auto rickshaw ride was a minimum ...

AUTH CRAM-MD5

By Susam Pal on 07 Nov 2011

Introduction: Last night, while I was setting up my SMTP server, I decided to dig deeper into CRAM-MD5 authentication mechanism. It is a challenge-response authentication ...

When Worse Is Better

By Susam Pal on 29 Oct 2011

Decision Problem: Let me begin this post with a puzzle. Alex and Bob work as financial advisers for the same company. They receive equal salaries ...

Loopy C Puzzle

By Susam Pal on 01 Oct 2011

Integer Underflow: Let us talk a little bit about integer underflow and undefined behaviour in C before we discuss the puzzle I want to share ...

From Tower of Hanoi to Counting Bits

By Susam Pal on 25 Sep 2011

Tower of Hanoi: A few weeks ago, I watched Rise of the Planet of the Apes . The movie showed a genetically engineered chimpanzee trying ...