Module aoc::year2019::day01

The Tyranny of the Rocket Equation

The title of the problem is a reference to the real life equation.

Functions

• parse
  The iter_unsigned utility method extracts and parses numbers from surrounding text.
• part1
  Calculate fuel requirements following the formula.
• part2
  Calculate the fuel requirements taking into account that fuel needs more fuel to lift it. Mass of 8 or below results in zero or negative fuel so we can stop.