Orange Boy Can You Solve It Out? Ep. 52 - Gaokao Special 1
Finally some geometry! Maybe very easy though.
Currently I am undergoing the College Entrance Exam(GK) so I don't have many ideas for Competitive Programming problems. This problem is inspired by some math problem in GK Simulation.
Of course, this is only a very rough and primitive idea. Enjoy solving open problems. 🙂
There are N lines in the 3-dimensional space indexed from 1 to N. The angle between line i(i\geq 2) and line F_i(F_i<i) is \theta_i(0\degree\leq\theta_i\leq90\degree)
There are Q queries. For each query, given line x,y, find the range of the possible angle between line x and y.
来源：Hell Hole Studios Blog
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