CodinGameのMars Lander – Level 1（PUZZLES：４問目）をRubyで解いてみた

STDOUT.sync = true # DO NOT REMOVE
# Auto-generated code below aims at helping you parse
# the standard input according to the problem statement.

@surface_n = gets.to_i # the number of points used to draw the surface of Mars.
@surface_n.times do
    # land_x: X coordinate of a surface point. (0 to 6999)
    # land_y: Y coordinate of a surface point. By linking all the points together in a sequential fashion, you form the surface of Mars.
    land_x, land_y = gets.split(" ").collect {|x| x.to_i}
end

# game loop
loop do
    # h_speed: the horizontal speed (in m/s), can be negative.
    # v_speed: the vertical speed (in m/s), can be negative.
    # fuel: the quantity of remaining fuel in liters.
    # rotate: the rotation angle in degrees (-90 to 90).
    # power: the thrust power (0 to 4).
    x, y, h_speed, v_speed, fuel, rotate, power = gets.split(" ").collect {|x| x.to_i}
    
    # Write an action using puts
    # To debug: STDERR.puts "Debug messages..."
    
    STDERR.puts "x      :" + x.to_s
    STDERR.puts "y      :" + y.to_s
    STDERR.puts "h_speed:" + h_speed.to_s
    STDERR.puts "v_speed:" + v_speed.to_s
    STDERR.puts "fuel   :" + fuel.to_s
    STDERR.puts "rotate :" + rotate.to_s
    STDERR.puts "power  :" + power.to_s
    output_rotate = 0
    output_power = 0
    
    assumption_speed = 0 #until power = 4
    for i in (power..4)
        assumption_speed += (i - 3.711)
    end
    STDERR.puts "assumption_speed  :" + assumption_speed.to_s

    if v_speed < (-40  - assumption_speed + (3.711 - 3))
        output_power = 4
    else
        output_power = 0
    end
    puts output_rotate.to_s + " " + output_power.to_s
end