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  1. def parse(inFile):
  2.     [D,N,A] = inFile.getWords()
  3.     dists = [inFile.getFloats() for k in xrange(int(N))]
  4.     accs = inFile.getFloats()
  5.     return (float(D), dists, accs)
  6.  
  7. from math import sqrt
  8.  
  9. def solveInternal((D, dists, accs)):
  10.     if (dists[0][1] >= D):
  11.         return [sqrt(2 * D / acc) for acc in accs]
  12.     d0 = max([(z[1],z[0]) for z in dists if z[1] < D])
  13.     d1 = min([(z[1],z[0]) for z in dists if z[1] >= D])
  14.     T = d0[1] + ((D - d0[0]) * (d1[1] - d0[1])) / (d1[0] - d0[0])
  15.     dists = [z for z in dists if z[1] < D] + [(T,D)]
  16.     answers = []
  17.     for a in accs:
  18.         timeToWait = max([0.0] + [t-sqrt(2 * x / a) for [t,x] in dists])
  19.         answers += [timeToWait + sqrt(2 * D / a)]
  20.     return answers
  21.  
  22. def solve(x):
  23.     ans = solveInternal(x)
  24.     return "\n".join([""]+[str(z) for z in ans])
  25.  
  26. if __name__ == "__main__":
  27.     from GCJ import GCJ
  28.     GCJ(parse, solve, "/Users/lpebody/gcj/setup/", "b").run()
  29.  
  30.  
  31.  
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https://ideone.com/VDGru
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
secret

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