Submission #3288647

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Source Code Expand

a,b,c = 3.times.map{gets.split.map(&:to_f)}

def area(a,b,c,d)
  return (a*d-b*c).abs
end

def length(p,q)
  return Math.sqrt((p[0]-q[0])**2+(p[1]-q[1])**2)
end

s = area(b[0]-a[0],b[1]-a[1],c[0]-a[0],c[1]-a[1])
x,y,z = length(a,b),length(b,c),length(c,a)
w = [x,y,z].max
r = s/(x+y+z)

puts w/(2+w/r)

Submission Info

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