I’ve been doing the Weekly Challenges. The latest involved modifying and picking things out of sequences. (Note that this is open until 2 October 2022.)
I’ve been doing the Weekly Challenges. The latest involved array comparisons and date calculations. (Note that this is open until 25 September 2022.)
I’ve been doing the Weekly Challenges. The latest involved list searching and finding a common subpath. (Note that this is open until 18 September 2022.)
I’ve been doing the Weekly Challenges. The latest involved string splitting and data sorting. (Note that this is open until 11 September 2022.)
I’ve been doing the Weekly Challenges. The latest involved filtering strings and lists. (Note that this is open until 4 September 2022.)
I’ve been doing the Weekly Challenges. The latest involved ordinal numbers and Unicode generation. (Note that this is open until 28 August 2022.)
I’ve been doing the Weekly Challenges. The latest involved an unusual base representation and date calculations. (Note that this is open until 21 August 2022.)
I’ve been doing the Weekly Challenges. The latest involved a check-digit function and more number reversals. (Note that this is open until 14 August 2022.)
I’ve been doing the Weekly Challenges. The latest involved lots of number-string conversions. (Note that this is open until 7 August 2022.)
I’ve been doing the Weekly Challenges. The latest involved date calculations and number theory. (Note that this is open until 31 July 2022.)
I’ve been doing the Weekly Challenges. The latest involved disarium numbers and ranked permutations. (Note that this is open until 24 July 2022.)
I’ve been doing the Weekly Challenges. The latest involved more mathematical tests. (Note that this is open until 17 July 2022.)
I’ve been doing the Weekly Challenges. The latest involved prime partitioning and some basic statistics. (Note that this is open until 10 July 2022.)
I’ve been doing the Weekly Challenges. The latest involved findind odd abundant numbers and first-class functions. (Note that this is open until 3 July 2022.)
I’ve been doing the Weekly Challenges. The latest involved primes and an unusual form of matrix multiplication. (Note that this is open until 26 June 2022.)
I’ve been doing the Weekly Challenges. The latest involved more numerical series. (Note that this is open until 19 June 2022.)
I’ve been doing the Weekly Challenges. The latest involved more furkling about with prime numbers. (Note that this is open until 12 June 2022.)
I’ve been doing the Weekly Challenges. The latest involved circular primes and the Lanczos approximation. (Note that this is open until 5 June 2022.)
I’ve been doing the Weekly Challenges. The latest involved word searching and directory mangling. (Note that this is open until 29 May 2022.)
I’ve been doing the Weekly Challenges. The latest involved generating SVG and fitting lines to points. (Note that this is open until 22 May 2022.)
I’ve been doing the Weekly Challenges. The latest involved two number-sequence tasks. (Note that this is open until 15 May 2022.)
I’ve been doing the Weekly Challenges. The latest involved various summation-like operations. (Note that this is open until 8 May 2022.)
I’ve been doing the Weekly Challenges. The latest involved ISBN check digits and the Wheatstone-Playfair cipher. (Note that this is open until 1 May 2022.)
I’ve been doing the Weekly Challenges. The latest involved word selections and manipulations. (Note that this is open until 24 April 2022.)
I’ve been doing the Weekly Challenges. The latest involved English word lengths and array partitioning. (Note that this is open until 17 April 2022.)
I’ve been doing the Weekly Challenges. The latest involved generating more sequences. (Note that this is open until 10 April 2022.)
I’ve been doing the Weekly Challenges. The latest involved subsets of primes. (Note that this is open until 3 April 2022.)
I’ve been doing the Weekly Challenges. The latest involved a variety of means and more number theory. (Note that this is open until 27 March 2022.)
I’ve been doing the Weekly Challenges. The latest involved more number-theory definitions. (Note that this is open until 20 March 2022.)
I’ve been doing the Weekly Challenges. The latest involved more number theory problems. (Note that this is open until 13 March 2022.)
I’ve been doing the Weekly Challenges. The latest involved permutations and primality testing. (Note that this is open until 6 March 2022.)
I’ve been doing the Weekly Challenges. The latest involved various progressions based on factorials. (Note that this is open until 27 February 2022.)
I’ve been doing the Weekly Challenges. The latest involved finding minimum paths and overlapping rectangles. (Note that this is open until 20 February 2022.)
I’ve been doing the Weekly Challenges. The latest involved a return to binary trees and an optimisation puzzle. (Note that this is open until 13 February 2022.)
I’ve been doing the Weekly Challenges. The latest involved a Fibonacci-like word construction and a search for square-free numbers. (Note that this is open until 6 February 2022.)
I’ve been doing the Weekly Challenges. The latest involved just-in-time Fibonacci and squares without repeating digits. (Note that this is open until 30 January 2022.)
I’ve been doing the Weekly Challenges. The latest involved various sorts of numerical search. (Note that this is open until 23 January 2022.)
I’ve been doing the Weekly Challenges. The latest involved prime searches and pentagonal numbers. (Note that this is open until 16 January 2022.)
I’ve been doing the Weekly Challenges. The latest involved prime-counting and fraction trees. (Note that this is open until 9 January 2022.)