mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2026-01-13

@Oleg:

The includes got filtered:

Util.h

//#include [bits/stdc++.h] // not including all
#include [filesystem] // just include what's needed
#include [array] // just include what's needed
#include [mutex] // just include what's needed

:)

Lord Sméagol
on /blog/119

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026