For those wondering how most of the people on the ...

# advent-of-code

[Kroppeb]

For those wondering how most of the people on the leaderboard are so fast. Those are all scripting languages (ruby and python) which replaced the operators with a different one with the impl of the intended operator, and then evaled the line

[ilya.gorbunov]

Oh, perhaps one could write a solution that transforms an input expression to a K program, and then run that program.

[ephemient]

eh, it's not only that. for Haskellers, there's a simple library for parsing expressions with custom terms and operators: https://github.com/ephemient/aoc2020/blob/main/hs/src/Day18.hs