On Wednesday, 9 February 2022 at 10:03:21 UTC, MichaelBi wrote:
day6 of the advent of code 2021 needs to handle an array of 10^12 length, or even bigger...
As others have mentioned, huge arrays require appropriate memory / the use of memory-mapped files to actually store it. But the calculation will take a *long* time even if your program could allocate an array of that size.
There's a way to use a much smaller array to manage the lanternfish population...
