AtCoder ABC #030

abc030-a.rb

a, b, c, d = gets.chomp.split(" ").map(&:to_f)
takahashi = b / a
aoki = d / c
if takahashi > aoki then
  puts "TAKAHASHI"
elsif takahashi < aoki then
  puts "AOKI"
else
  puts "DRAW"
end

    

abc030-b.rb

n, m = gets.chomp.split(" ").map(&:to_i)

longer = ((720r/(24*60)) * (n*60 + m)) % 360
shorter = (360r/60) * m

r = (longer - shorter).abs.to_f

puts [r, 360-r].min

abc030-c.rb

n, m = gets.chomp.split(" ").map(&:to_i)
x, y = gets.chomp.split(" ").map(&:to_i)
a = gets.chomp.split(" ").map(&:to_i)
b = gets.chomp.split(" ").map(&:to_i)

tnow = 0
res = 0
while true
  # A => B
  tnext = a.bsearch {|v| v >= tnow}
  break if tnext.nil?
  tnow = tnext + x
  # B => A
  tnext = b.bsearch {|v| v >= tnow}
  break if tnext.nil?
  tnow = tnext + y
  res += 1
end

puts res