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37 lines
722 B
Go
37 lines
722 B
Go
package one
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import (
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"bytes"
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"github.com/onyx-and-iris/aoc2024/day-21/internal/pad"
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log "github.com/sirupsen/logrus"
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)
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func Solve(buf []byte) (int, error) {
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r := bytes.NewReader(buf)
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codes, err := parseLines(r)
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if err != nil {
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return 0, err
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}
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numpad := pad.NewNumpad()
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dirpad := pad.NewDirpad()
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var complexity int
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for _, code := range codes {
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moves := generateMoves(numpad, dirpad, code)
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complexity += len(moves) * numFromCode(code)
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log.Debugf("%s\n%d * %d\n", moves, len(moves), numFromCode(code))
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}
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return complexity, nil
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}
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type generator interface {
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Generate(code string) string
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}
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func generateMoves(n, d generator, code string) string {
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return d.Generate(d.Generate(n.Generate(code)))
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}
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