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@@ -38,11 +38,36 @@ func readInput(file string) (map[int]int, []int) {
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return crabs, orderedCrabs
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}
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+func part1(crabs map[int]int, orderedCrabs []int) int {
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+ shortest := 10000000
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+
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+ for _, crab := range orderedCrabs {
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+ route := 0
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+ for key, value := range crabs {
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+ if key == crab {
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+ continue
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+ }
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+
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+ if key < crab {
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+ route += (crab - key) * value
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+ } else {
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+ route += (key - crab) * value
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+ }
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+ }
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+
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+ if route < shortest {
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+ shortest = route
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+ }
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+ }
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+
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+ return shortest
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+}
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+
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func main() {
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if len(os.Args) < 2 {
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log.Fatal("Please provide a file name as argument")
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}
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crabs, orderedCrabs := readInput(os.Args[1])
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- fmt.Println(crabs, orderedCrabs)
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+ fmt.Println("Part1: ", part1(crabs, orderedCrabs))
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}
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