Robot Problem

gistfile1.rb

# There are 2 robots placed on an infinitely wide 2 dimensional line.
# The robots can’t see each other.
# Each robot has 1 marker to the right but 1 of them doesn’t have one on the left.
# - unit of distance
# ^ marker
# ~ indefinite amount of units of distance
# ---~---(Robot)---~---^---~---(Robot)---~--^---~---

# Write a program that will make that 2 robots collide using the following Robot Api:
# move_left(n)
# move_right(n)
# at_marker?
# stop
# this program will be fed to both robots