Mercurial > repos > other > adventofcode2023
diff day19.txt @ 28:5ba34a851816
Implement Day 19 workflows, skip part 2
author | IBBoard <dev@ibboard.co.uk> |
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date | Wed, 03 Jan 2024 11:34:54 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/day19.txt Wed Jan 03 11:34:54 2024 +0000 @@ -0,0 +1,45 @@ +--- Day 19: Aplenty --- + +Objects have three values - x, m, a and s. + +There are a number of workflows, which have a name and a set of rules. +Each rule specifies a condition and the name of the next step. +The first step is "in". The last steps are "A" (accepted) and "R" (rejected). +Once it matches a rule in a workflow, no further rules in the workflow are evaluated. + +The input is a set of workflows, a blank line, and a set of objects. + +px{a<2006:qkq,m>2090:A,rfg} +pv{a>1716:R,A} +lnx{m>1548:A,A} +rfg{s<537:gd,x>2440:R,A} +qs{s>3448:A,lnx} +qkq{x<1416:A,crn} +crn{x>2662:A,R} +in{s<1351:px,qqz} +qqz{s>2770:qs,m<1801:hdj,R} +gd{a>3333:R,R} +hdj{m>838:A,pv} + +{x=787,m=2655,a=1222,s=2876} +{x=1679,m=44,a=2067,s=496} +{x=2036,m=264,a=79,s=2244} +{x=2461,m=1339,a=466,s=291} +{x=2127,m=1623,a=2188,s=1013} + + +These five parts would go: + + {x=787,m=2655,a=1222,s=2876}: in -> qqz -> qs -> lnx -> A + {x=1679,m=44,a=2067,s=496}: in -> px -> rfg -> gd -> R + {x=2036,m=264,a=79,s=2244}: in -> qqz -> hdj -> pv -> A + {x=2461,m=1339,a=466,s=291}: in -> px -> qkq -> crn -> R + {x=2127,m=1623,a=2188,s=1013}: in -> px -> rfg -> A + +The sum of the sum of the x, m, a and s scores for the accepted parts is 19114. + +--- Part Two --- + +Each value can be in the range 1 to 4000. In the example input, +there are 167409079868000 combinations of values that would be accepted. +No information is given about what this means or how it is calculated. \ No newline at end of file