Here's my first attempt to participate in a contest while screencasting and commenting in English as it goes, you can watch the video [here](https://www.youtube.com/watch?v=7U7MJsg9548). Let me know what you think!↵
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**UPD**: [screencast](https://www.youtube.com/watch?v=PFL-x9uXFCM) of today's DGCJ round.
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**UPD**: [screencast](https://www.youtube.com/watch?v=PFL-x9uXFCM) of today's DGCJ round.
