![]() Or a dictionary compression on bit patterns such as Lempel, Ziv, Welch compression AKA LZW or LZ compression. ![]() ![]() ![]() The most basic compression is run length encoding on the bits that make the url. * Decodes a shortened URL to its original URL.Īt reading the problem I thought it needed to be a lossless compression algorithm to generate a unique id. Tiny URL can be decoded to the original URL.Ĭonst ALPHANUMERIC = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' Just need to ensure that a URL can be encoded to a tiny URL and the No restriction on how your encode/decode algorithm should work. The Edinburgh Maths Circle is kindly sponsored by Rathbones Investment Management and the Glasgow Mathematical Journal Trust. Thanks to their contribution, we have an improved collection of resources, a new and improved poster, and better quality refreshments.TinyURL is a URL shortening service where you enter a URL such asĭesign the encode and decode methods for the TinyURL service. We would like to thank both NRICH and the organisers of the Cambridge Maths Circle for their support in making the Edinburgh Maths Circle a reality. The Edinburgh Maths Circle was inspired by the Cambridge Maths Circle, and many of the activites we use are kindly provided by NRICH. Maths Circle Handout for Teachers (202.47 KB PDF) Maths Circle Slides for Teachers (2.6 MB PDF) Looking forward to next year, we are planning to run a mix of in-person and online workshops to accommodate different needs.Īttendance to our workshops is free but registration is required.īelow you can find slides and handouts from one of our previous (in-person) workshops. These workshops have proven to be successful and very well received. Our most recent workshop was held online in May 2022. We also discuss how such resources can be used in the classroom and can spark curiosity and help children develop their mathematical thinking. Would you like some guidance on how to use the resources? So far we have run more than ten workshops aimed at sharing our resources with school teachers and giving them advice on how to use them in the classroom.ĭuring these workshops, we give a brief introduction to our (now virtual) Maths Circles, then we explore some of the resources we use. If you are interested in borrowing our resources please Attend our workshops for educators Each school can keep the resources for about a week and use them as apprepriate. We are able to lend the resources to all Scottish schools FREE OF CHARGE. Each box contains a selection of about thirty problems, with accompanying hands-on resources. In the past years we have produced two boxes of resources, one for primary schools and one for early secondary schools. Our aim is to loan our resources out to schools/communities and provide training and support so teachers/educators can host their own Maths Circle events at their schools or in their local communities. In 2018, thanks to funding from the Glasgow Mathematical Journal Trust and Edinburgh City Council, we have begun a programme to spread the Maths Circle initiative widely across Scotland. The Edinburgh Maths Circle has been an immensely popular event over the past few years.
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