If we are sharing templates,
here is mine.
• All days ready made with placeholders and input reading, timing the solutions, printing the input and output, etc.
• Puts the output in your clipboard to save you the precious second of copying it. 😄
• Includes
a bunch of geometry and math code that I found myself repeatedly writing in previous years, like classes for points, directions, grids, functions for manipulating them, useful extensions.
• The actual solution files are as minimal as possible with no classes, overrides.