Programming, Language: Python

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Advent of Code: Day 23

Source

Part 1: Create a simple virtual machine with two registers (a and b, non-negative integers) and six instructions:

  • hlf (a|b) - divide the given register by half, round down
  • tpl (a|b) - triple the given register
  • inc (a|b) - add 1 to the given register
  • jmp [+-]\d+ - jump forward/backwards by the given number of instructions
  • jie (a|b), [+-]\d+ - if the given register is even, jump
  • jio (a|b), [+-]\d+ - if the given register equals one, jump

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