We love to see solutions you send in to our live problems. We review and edit these for the benefit of other students. Check the Past Features links for published solutions to recently featured problems. The best solutions are likely to be featured in the Trending column.
If you would like us to consider including your solution please submit it while the problem is Live.
We have written an article on what we are looking for when we decide which solutions to publish.
Send your best solutions for Approaching Midnight First or Second?;
Explain your methods clearly for other school students to read.
Give reasons and convincing arguments or proofs where you can.
You can upload a file with your solutions eg. a picture,word document or spreadsheet,
this file must be less than 2MB
Your personal details are optional.
By uploading your solution here you are giving us permission to publish your work, either as a whole or edited extracts, on the NRICH website and in associated educational materials for students and teachers, at our discretion.
Your information (first name, school name etc) is optional. If supplied, it may be used for attribution purposes only if your work is published on the website. Data that you supply on this form (e.g. age if supplied, location if supplied) may also be anonymised and used for evaluation and reporting.
For more information about the University's policies and procedures on handling personal information, and your rights under data protection legislation, please see https://www.information-compliance.admin.cam.ac.uk/data-protection/general-data.