Hello everyone!
Today at 15:00 MSK will be held personal competition.
I invite everyone to participate and let's discuss problems after the contest.
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Hello everyone!
Today at 15:00 MSK will be held personal competition.
I invite everyone to participate and let's discuss problems after the contest.
Name |
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How write third problem shortly ? I have very long and wrong solution.
Since sx < tx and sy < ty, it is trivial that first to-and-fro path is going to be a rectangle with (sx, sy) and (tx, ty) as opposite vertices.
The second to-and-fro path is around the same rectangle, taking four extra edges, effectively :
So answer is coordinates of two rectangle ? Second rectagle is bigger than first?
Doesn't matter which rectangle you trace first.
Ok. But one rectangle is bigger than other?
Yes