Most of the techies have come across this concept one time or the other. People know that it’s really good and very useful, but not a lot of them know how exactly it works and why it works in the first place! Let’s say you are presented with a big box of precious stones with different sizes and weights. You have a bag with you which can only hold a limited weight. So obviously you can’t take everything. In particular, you’re constrained to take only what your bag can hold. Let’s say it can only hold W pounds. You also know the market value for each of those stones. Given that you can only carry W pounds, what stones should you pick in order to maximize your profit?   Continue reading “Dynamic Programming” →