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Last active December 7, 2025 18:11
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brainfuck solution for Advent of Code, day 7, part 1
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2025day7a.b
[2025day7a.b -- 2025 Advent of Code Day 7 Part 1
(c) 2025 Daniel B. Cristofani
http://brainfuck.org/
This program is licensed under a Creative Commons Attribution-ShareAlike 4.0
International License (http://creativecommons.org/licenses/by-sa/4.0/).
This program solves Advent of Code 2025, Day 7, Part 1.
(https://adventofcode.com/2025/day/7)
Assumes EOF="no change" or EOF=0. No assumptions about cell size.
This was a fun one. We use cumulative cases rather than exclusive cases.]
>>>>>>>>+>>>,[
-[>>[->>>>]<<[>>++++>>]<<<<-]+>>[
-[
<+>--[
+<-[
<<[-]+<[<<]
<[[-]+<---------[++++++++++>[>>]<->]<+]
>>[>>]>[-]+<<-
]>
]>>
]<<[[-<<]>>]
],
]<<++>----[+++++[<++++++++>-]<<]>[.>>]
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