October 14, 2004

Yet yet another google puzzle (last one this week, I swear)

Ok, last one: Consider a function which, for a given whole number n, returns the number of ones required when writing out all numbers between 0 and n. For example, f(13) = 6. Notice that f(1) = 1. What is the next largest n such that f(n) = n? Again ...

F# Compiler Preview

Interesting news from Microsoft Research: The F# compiler is an implementation of an ML programming language for .NET. F# is essentially an implementation of the core of the OCaml programming language (see http://caml.inria.fr). F#/OCaml/ML are mixed functional-imperative programming languages which are excellent for medium-advanced programmers and for teaching. In addition ...