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@forthright48
Really interesting problem on pattern finding. But more than that, you get to learn about Mahonian numbers and Kendall-Mann numbers. Check this link for editorial. http://openology.blogspot.com/2013/08/how-i-solved-uva-12004-bubble-sort.html
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Interesting Bit mask + Warshall problem. It was kind of like a knapsack problem. I could buy dvd 1 or dvd 2 or... no dvd from position x.
A Reuleaux Triangle With In A Square
This is how you drill a (somewhat) square hole!
Here is a youtube video showing drilling in action:
http://www.youtube.com/watch?v=_HSXQ1gFvhQ
And here is the corresponding Wikipedia page:
http://en.wikipedia.org/wiki/Reuleaux_triangle
A problem on modified Fibonacci series and cycle finding. Putting a dummy value of 0 at index 0 and starting the series from index 1 makes the code a lot elegant.
When designing a machine, it’s better to mesh gears together whose numbers of teeth don’t share a common factor. In the top pair, the gears have 12 and 6 teeth each, so the red defect on the right gear grinds on the left gear in two places. Because the gears in the bottom have coprime numbers of teeth (7 & 5), the wear from the defect is spread evenly on the left gear. [more] [code]Â
Good to see number theory being used properly.
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Seemed like an easy Djkstra problem, but ended up with so many WA and TLE. Apparently, using memset() too much ate up all my time. Had to find a another way to bypass it.
