AtCoder ABC #059

abc059-a.rb

puts gets.chomp.split(" ").map{|s| s[0].upcase}.join("")

abc059-b.rb

a = gets.chomp.to_i
b = gets.chomp.to_i
if a > b then
  puts "GREATER"
elsif a < b then
  puts "LESS"
else
  puts "EQUAL"
end

abc059-c.rb

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

# +-+-
ret1 = 0
sum = 0
n.times do |i|
  sum += a[i]
  if i.even? && sum <= 0 then
    ret1 += (sum.abs + 1)
    sum = 1
  elsif i.odd? && sum >= 0 then
    ret1 += (sum.abs + 1)
    sum = -1
  end
end

#-+-+
ret2 = 0
sum = 0
n.times do |i|
  sum += a[i]
  if i.even? && sum >= 0 then
    ret2 += (sum.abs + 1)
    sum = -1
  elsif i.odd? && sum <= 0 then
    ret2 += (sum.abs + 1)
    sum = 1
  end
end
puts [ret1, ret2].min