mscroggs.co.uk
mscroggs.co.uk

subscribe

Blog

Christmas (2015) is over

 2016-01-01 
The deadline for entering the 2015 Advent calendar competition has now passed. You can see all the puzzles and their answers here.
Thank-you to everyone who took part in the competition! In total, 23 people submitted answers to the puzzles. Every one of these had correct answers to at least 18 of the puzzles. The winners are as follows:
#NameDetails
1ScottAll correct at 5:00:18 GMT on Christmas Day
2Louis de MendoncaAll correct at 5:00:32 GMT on Christmas Day
3Alex BoltonAll correct at 5:00:34 GMT on Christmas Day
4Martin HarrisAll correct at 6:15 GMT on Christmas Day
5Linus HamiltonAll correct at 14:12 GMT on Christmas Day
6ZephiAll correct at 20:40 GMT on Christmas Day
7Daniel ChivertonAll but one (5 December) correct at 5:00:24 GMT on Christmas Day
8Jon PalinAll but one (12 December) correct at 5:00:34 GMT on Christmas Day
9Kathryn CoffinAll but one (5 December) correct at 6:28 GMT on Christmas Day
10Félix BretonAll but one (15 December) correct at 9:05 GMT on Christmas Day
I will be in touch will all the entrants in the next few days and I will post pictures of prizes here once they are on their way!
I have already started working on puzzles for next year's (in fact this year's) calendar, so make sure you're back here in December...
                        
(Click on one of these icons to react to this blog post)

You might also enjoy...

Comments

Comments in green were written by me. Comments in blue were not written by me.
@stephan: It looks like the code I wrote to check the solutions were unique contained errors. This might explain why first question was very difficult to solve with logic alone.
Matthew
                 Reply
Are you sure http://www.mscroggs.co.uk/puzzles/126 have unique solutions. See e.g. http://cryptarithms.awardspace.us/solv... which gives lots of solutions
stephan
                 Reply
 Add a Comment 


I will only use your email address to reply to your comment (if a reply is needed).

Allowed HTML tags: <br> <a> <small> <b> <i> <s> <sup> <sub> <u> <spoiler> <ul> <ol> <li> <logo>
To prove you are not a spam bot, please type "uncountable" in the box below (case sensitive):

Archive

Show me a random blog post
 2024 

Feb 2024

Zines, pt. 2

Jan 2024

Christmas (2023) is over
 2023 
▼ show ▼
 2022 
▼ show ▼
 2021 
▼ show ▼
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

speed pizza cutting mathsjam stirling numbers sobolev spaces tennis london trigonometry fence posts pascal's triangle dataset go machine learning fonts matrix of minors draughts approximation probability chess weather station chalkdust magazine estimation inline code ternary craft mathslogicbot php matrix of cofactors sound edinburgh phd martin gardner curvature bempp royal institution european cup big internet math-off errors gaussian elimination coins platonic solids reddit manchester rhombicuboctahedron dinosaurs folding tube maps anscombe's quartet electromagnetic field datasaurus dozen correlation dragon curves standard deviation menace world cup matrices sorting misleading statistics captain scarlet pi raspberry pi weak imposition frobel wool preconditioning nine men's morris game of life the aperiodical accuracy plastic ratio newcastle golden spiral geometry asteroids video games noughts and crosses map projections squares rugby interpolation hexapawn matrix multiplication crossnumber national lottery inverse matrices logs royal baby mathsteroids christmas card hyperbolic surfaces error bars a gamut of games boundary element methods stickers logic zines runge's phenomenon chebyshev radio 4 christmas palindromes manchester science festival pythagoras ucl tmip numerical analysis games matt parker wave scattering live stream polynomials london underground signorini conditions crochet talking maths in public databet data visualisation books pi approximation day gather town countdown bubble bobble hannah fry simultaneous equations puzzles logo light convergence propositional calculus folding paper advent calendar harriss spiral quadrilaterals realhats hats recursion people maths oeis latex exponential growth computational complexity bodmas numbers gerry anderson pac-man determinants football guest posts finite group fractals braiding geogebra cross stitch statistics 24 hour maths flexagons reuleaux polygons news data graph theory youtube triangles sport dates mean cambridge python graphs turtles golden ratio arithmetic binary javascript final fantasy finite element method programming game show probability

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2024