This is a classic problem known as LIS (longest increasing sequence) that was discussed in CACM decades ago. You can find it in HOW TO SOLVE IT BY COMPUTER by R.G. Dromey (1981) ISBN: 0-13-188862-...
T-SQL PuzzleCommented on: 3 years ago
(November 20, 2012)
The reason for the Hexagons in the original game grid is that this was based on the game Hex, (http://en.wikipedia.org/wiki/Hex_game). It was invented independently by John Nash and Piet Hein. It had...
Solutions to TSQL Challenge – Reoccurring VisitsCommented on: 5 years ago
(July 14, 2011)
I am late to the party, but here goes.
Let's assume we have a the usual Calendar table. Use it to build a table of date pairs. Use the date pairs flag each visitor as a today and/or yesterday...
Logic Puzzle – Dice SubstituteCommented on: 7 years ago
(July 2, 2009)
You are in a British pub, so they will have a set of 6-6 dominoes behind the bar. Pull out the blanks, discard the double. Throw the titles in a hat and draw with replacement to simulate dice....
It is crucial to move away from data and analytics stored on individual desktop computers. Today’s solutions must promote holistic, collective intelligence. The strong, continued alliance between Microsoft and Pyramid Analytics helps make all this possible....More
To become a truly data-driven enterprise, many business leaders recognize that they must extend the capabilities of self-service business intelligence (BI) and analytics to more of their business users. Many BI tools tackle part of this need, but they don’t offer a complete enterprise solution....More
Data quality is really important. Why? Because it helps you save money while increasing profits because of accurate contact data. It’s important to understand what data quality is and why it is important....More