Snacks for your mind

This is a blog by Szymon Sidor. Its original purpose was to present nontrival Computer Science and Mathematical problems in an accessible way, but it evolved and now diverse topics are covered.

Tuesday, June 12, 2012

Using git for simple projects.

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This is not really related to main purpose of this blog, but I had to write this article anyway, so I though I might as well publish it. ...

45 comments:

Thursday, October 13, 2011

Scaling coordinates

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Sometimes we want to iterate over all coordinates of points in some space. In many cases the distance between points is not important, what ...

73 comments:

Friday, July 29, 2011

Snack for your tired mind no 1

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What does computer scientist, mathematician and humanist do when they see a pretty girl? Computer Scientist starts a chat, tries to be fun...

52 comments:

Wednesday, July 27, 2011

Algorithms on strings - XVIII Polish CS Olympiad - Difference (4/10)

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This was quite a fun question. Although solution turned out to be simple it was a little bit unconventional and it took me a couple of minut...

79 comments:

Monday, July 25, 2011

Number Theory - Concrete Mathematics 4.9 (2/10)

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The text of the question is: Show that the number $(3^{77}-1)/2$ is odd and composite. The hint proposed in the question text is to compu...

45 comments:

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