adriandale.co.uk

Programming Challenges 4 - 6

Adrian — Tue, 08 Nov 2011 22:19:10 +0000

Following immediately on from the previous challenges, I had hoped to redeem my rather miserable performance on Challenge 3.

Read on to see how I did with Challenges 4 - 6.

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Programming Challenges 1 - 3

Adrian — Tue, 08 Nov 2011 21:15:04 +0000

I downloaded a copy of Skiena and Revilla’s book Programming Challenges from here. I wasn’t hugely taken by the book as it is mostly about coding in C, rather than C++ which I prefer, so I’ve only really skim-read it. However, I did take the time to solve some of the challenges after the first chapter, which was a far more valuable learning experience.

I decided that as the first few challenges looked fairly straightforward that I would make it my goal to solve each one 100% correctly on the first go. Unlike the Ancient Messages challenge where comprehensive test data was supplied, this time each challenge only came with one or two examples. This means that coming up with a good way to test the program is essential if one wants to pass the judge’s tests first time. In a programming competition failure to pass tests means a time or score penalty. But I’m more concerned with real life where a programming error could mean death, financial loss, or worse, the wrong coloured background on a dialog box!

So, how did I do?

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Programming Challenges - Ancient Messages

Adrian — Mon, 07 Nov 2011 22:58:39 +0000

Earlier this year I wrote about Project Euler. I’ve kept up my problem solving, with an additional 23 Project Euler problems solved in the four months since I wrote that article. I’ve also tackled some problems from other sources that don’t have restrictions on me writing about them.

First up, I had a bash at one of the easier looking problems from this year’s ACM International Collegiate Programming Contest. You can see a description of the problem here on the UVA Online Judging website which provides automatic verification of submitted solutions.

The solver’s task for the problem I chose is to decode some “Ancient Messages”. So, how exactly did I do that?

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Top Gun - Secret Cinema

Adrian — Mon, 05 Sep 2011 11:07:47 +0000

Yesterday I went to Future Cinema Presents California Classics - Top Gun.

This wasn’t simply a case of showing up at a cinema to watch a film, though …

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High Quality Rock is here!

Adrian — Fri, 22 Jul 2011 14:07:55 +0000

I’ve just spent a very pleasant forty minutes listening to Deep Purple’s classic rock album, Machine Head. Exciting on a good day, but today it sounds extra special as I’ve been listening to a brand new high quality re-release of the album in 24 bit / 96 kHz download format.

So, why is this so exciting?

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Project Euler

Adrian — Thu, 07 Jul 2011 16:34:34 +0000

Project Euler is an internet-based mathematical and programming challenge that has been running for the last ten years. Problems set on the site range from incredibly easy to (mostly) very difficult. I’m currently at “Level 3″, having solved 110 of the problems, including some of the more recent difficult ones.

It’s a bit tricky to write about this little hobby of mine as one of the conditions of taking part is that one doesn’t give away the answers.

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Rock Choir - Wembley Arena 2011

Adrian — Sun, 15 May 2011 22:09:59 +0000

Unquestionably the most exciting thing I have done so far this year - this is the audience I sang for earlier today:

The picture shows a capacity crowd of ten thousand people (mostly women) filling Wembley Arena for this afternoon’s Rock Choir Live event.

Plus, there’s breaking a Guinness World Record, recording a track to be released on a deluxe version of the existing Rock Choir: Vol1 album and not only that but it has all been filmed for a documentary to be broadcast on ITV later this year. Not bad going for one afternoon!

So, what’s the story? How did I come to end up on stage in front of that many people?

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Mojito Project

Adrian — Wed, 16 Mar 2011 23:16:24 +0000

I decided that home cocktail making is a skill that no gentleman should be without. The Mojito, seemed like an excellent place to start, bringing back happy memories of drinking cocktails on the beach in Mexico.

Read on to find out what went into the making of the delicious looking concoction you see above…

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Banqueting House

Adrian — Wed, 23 Feb 2011 14:14:32 +0000

This is Banqueting House in London, site of the execution of Charles I in 1649.

I visited there by chance with my Mum as we were passing by on our way to see the Watercolours exhibition at Tate Britain. We received an impromptu history lesson plus the opportunity to take some photographs with my new Nikon D5000 DSLR camera. Hopefully the quality of the photography on this blog will be improving over the coming months.

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Weekend Art Project #001

Adrian — Thu, 20 Jan 2011 09:45:46 +0000

I received a copy of this book for Christmas: The Weekend Artist: Creative Inspiration, Techniques and Simple Projects Designed to Unleash Your Inner Artist by Gerard Smith.

Above you can see the results of my first attempt at creating modern art, following one of the projects in the book. Read on to see what was involved in this project.

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