Articles list
How many integers are included in a list of integer ranges ?
A classic 2-dimensional grid problem, with neighbourhood exploration.
A little optimization problem, solved with dynamic programming.
How to spot numbers made of a repeated sequence of digits with some mathematics.
The 2025 Advent of Code started today, with a somewhat tricky problem.
In about six hours, the Advent of Code 2025 will begin, with some changes compared to the last ten years.