https://adventofcode.com/2022

Build and run all programs:

	$ ./build

File naming convention:

	01          # Day number
	  a         # Part 1
	  b         # Part 2
	   .c       # Source
	            # No extension for binaries
          .in0      # Input - test
          .in1      # Input - another teast example
          .in2      # Input - final is last