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use endpoints map to keep score (size of map)

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This commit is contained in:
onyx-and-iris 2024-12-10 23:07:05 +00:00
parent 2c3e68d884
commit c12cc2c38e
4 changed files with 21 additions and 32 deletions
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22
day-10/benchmark
View File

@ -2,14 +2,14 @@ goos: linux
goarch: amd64 goarch: amd64
pkg: github.com/onyx-and-iris/aoc2024/day-10 pkg: github.com/onyx-and-iris/aoc2024/day-10
cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
BenchmarkSolve-12 1000000000 0.002208 ns/op BenchmarkSolve-12 1000000000 0.001775 ns/op
BenchmarkSolve-12 1000000000 0.002135 ns/op BenchmarkSolve-12 1000000000 0.001641 ns/op
BenchmarkSolve-12 1000000000 0.002113 ns/op BenchmarkSolve-12 1000000000 0.001804 ns/op
BenchmarkSolve-12 1000000000 0.002273 ns/op BenchmarkSolve-12 1000000000 0.001658 ns/op
BenchmarkSolve-12 1000000000 0.002123 ns/op BenchmarkSolve-12 1000000000 0.001679 ns/op
BenchmarkSolve-12 1000000000 0.002133 ns/op BenchmarkSolve-12 1000000000 0.001703 ns/op
BenchmarkSolve-12 1000000000 0.002054 ns/op BenchmarkSolve-12 1000000000 0.001641 ns/op
BenchmarkSolve-12 1000000000 0.002107 ns/op BenchmarkSolve-12 1000000000 0.001627 ns/op
BenchmarkSolve-12 1000000000 0.002664 ns/op BenchmarkSolve-12 1000000000 0.001654 ns/op
BenchmarkSolve-12 1000000000 0.002081 ns/op BenchmarkSolve-12 1000000000 0.001719 ns/op
ok github.com/onyx-and-iris/aoc2024/day-10 0.167s ok github.com/onyx-and-iris/aoc2024/day-10 0.135s

4
day-10/internal/one/benchmark
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@ -2,5 +2,5 @@ goos: linux
goarch: amd64 goarch: amd64
pkg: github.com/onyx-and-iris/aoc2024/day-10/internal/one pkg: github.com/onyx-and-iris/aoc2024/day-10/internal/one
cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
BenchmarkSolve-12 1000000000 0.001398 ns/op BenchmarkSolve-12 1000000000 0.0008911 ns/op
ok github.com/onyx-and-iris/aoc2024/day-10/internal/one 0.014s ok github.com/onyx-and-iris/aoc2024/day-10/internal/one 0.012s

23
day-10/internal/one/solve.go
View File

@ -25,29 +25,18 @@ func Solve(buf []byte) (int, error) {
} }
queue.Enqueue(pos) queue.Enqueue(pos)
var score int
visited := make(map[point]struct{})
endpoints := make(map[point]struct{}) endpoints := make(map[point]struct{})
for !queue.IsEmpty() { for !queue.IsEmpty() {
current := queue.Dequeue() current := queue.Dequeue()
_, ok := endpoints[current]
if ok {
continue
}
endpoints[current] = struct{}{}
if graph.valueAt(current) == target { if graph.valueAt(current) == target {
score++ _, ok := endpoints[current]
if !ok {
endpoints[current] = struct{}{}
}
continue continue
} }
_, ok = visited[current]
if ok {
continue
}
visited[current] = struct{}{}
for _, n := range neighbours(current) { for _, n := range neighbours(current) {
if graph.isOutOfBounds(n) { if graph.isOutOfBounds(n) {
continue continue
@ -60,8 +49,8 @@ func Solve(buf []byte) (int, error) {
} }
} }
log.Debugf("score for trailhead %v - %d\n", pos, score) log.Debugf("score for trailhead %v - %d\n", pos, len(endpoints))
totalScore += score totalScore += len(endpoints)
} }
return totalScore, nil return totalScore, nil

4
day-10/internal/two/benchmark
View File

@ -2,5 +2,5 @@ goos: linux
goarch: amd64 goarch: amd64
pkg: github.com/onyx-and-iris/aoc2024/day-10/internal/two pkg: github.com/onyx-and-iris/aoc2024/day-10/internal/two
cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz cpu: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
BenchmarkSolve-12 1000000000 0.0009003 ns/op BenchmarkSolve-12 1000000000 0.0008468 ns/op
ok github.com/onyx-and-iris/aoc2024/day-10/internal/two 0.012s ok github.com/onyx-and-iris/aoc2024/day-10/internal/two 0.011s