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29 lines
690 B
Go
29 lines
690 B
Go
package day13
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import (
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"log"
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)
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func Solve1() {
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// Big number to esaier spot smaller numbers
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lowestNextDeparture := schedule.Departure * 1000
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lowestNextDepartureLine := 0
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// Look for next departure times for lines
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for _, line := range schedule.Lines {
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// Calculate next departure
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nextDeparture := schedule.Departure/line*line + line
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// Look for lowest departure time
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if nextDeparture < lowestNextDeparture {
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lowestNextDeparture = nextDeparture
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lowestNextDepartureLine = line
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}
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}
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// Calculate next departure id
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nextDepartureId := (lowestNextDeparture - schedule.Departure) * lowestNextDepartureLine
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log.Printf("2020-12-13.01: Answer: %d\n", nextDepartureId)
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}
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