Problem: You are in charge of a prison with P number of cells in a straight line. Each cell has a window on the walls it shares with the neighbor cells. You need to release a certain number of prisoners, … Continue reading
The quick sort partitions objects into two groups, one group of the objects with a value above a certain value, and another group with a value below. Each of these groups is further divided, and this action continues recursively until … Continue reading
Google has an annual programming competition called “code jam”. There are multiple rounds, each consisting of 3 problems to solve. They leave the old code jam websites up and it is a great place to find interesting problems. They also … Continue reading