Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell a
Continue ReadingC++: Ackermann Function
The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows ver
Continue ReadingC++: Multiplication Tables
Produce a formatted 12×12 multiplication table of the kind memorised by rote when in primary school. Only print the top half triangle of products.
Continue ReadingC++: Fibonacci Word
The Fibonacci Word may be created in a manner analogous to the Fibonacci Sequence as described here: Define F_Word1 as 1; Define F_Word2 as 0;
Continue ReadingSwitching From C++ to R – Limitations/applications
I've only recently begun exploring and learning R (especially since Dirk recommended RStudio and a lot of people in here speak highly of R). I'm rathe
Continue ReadingC++: Deranged Anagrams
Two or more words are said to be anagrams if they have the same characters, but in a different order. By analogy with derangements we define a derange
Continue ReadingJava += operator
Until today I thought that for example: i += j; is just a shortcut for: i = i + j; But what if we try this: int i = 5; long j = 8; Then i = i +
Continue ReadingBest C++ Books
Reference Style - All Levels A Tour of C++ (Bjarne Stroustrup) The "tour" is a quick (about 180 pages and 14 chapters) tutorial overview of all
Continue ReadingC++: Maximum Triangle Path Sum
Starting from the top of a pyramid of numbers like this, you can walk down going one step on the right or on the left, until you reach the bottom row:
Continue ReadingC++: Man Or Boy Test
Background: The man or boy test was proposed by computer scientist Donald Knuth as a means of evaluating implementations of the ALGOL 60 programming
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