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Author SHA1 Message Date
onyx-and-iris
0f357df19d Merge branch 'main' of https://github.com/onyx-and-iris/aoc2023 2024-01-02 09:19:19 +00:00
onyx-and-iris
5b225a9166 adjust bound factory method to set open end of interval 2024-01-02 09:18:14 +00:00
1 changed files with 4 additions and 3 deletions
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day-5/two.go
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@ -16,8 +16,9 @@ type bound struct {
} }
// newBound returns a bound type // newBound returns a bound type
// it defines an open ended interval
func newBound(lower, upper int) bound { func newBound(lower, upper int) bound {
return bound{lower: lower, upper: upper} return bound{lower: lower, upper: upper - 1}
} }
// nextTransform recursively calculates each new set of seed ranges for each set of data in dataMap // nextTransform recursively calculates each new set of seed ranges for each set of data in dataMap
@ -42,10 +43,10 @@ func nextTransform(i int, in []bound) []bound {
// append unmatched portions of seed range back into queue // append unmatched portions of seed range back into queue
if start > r.lower { if start > r.lower {
q.enqueue(newBound(r.lower, start-1)) q.enqueue(newBound(r.lower, start))
} }
if r.upper > end { if r.upper > end {
q.enqueue(newBound(end, r.upper-1)) q.enqueue(newBound(end, r.upper))
} }
return true return true
} }