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@@ -72,6 +72,56 @@ func part1(computers map[string][]string) int {
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return len(unique)
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}
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+func contains(nodes []string, connections map[string]bool) bool {
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+ if len(connections) == 0 {
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+ return true
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+ }
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+
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+ for key, _ := range connections {
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+ var isThere bool
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+ for i := range nodes {
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+ if nodes[i] == key {
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+ isThere = true
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+ break
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+ }
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+ }
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+
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+ if !isThere {
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+ return false
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+ }
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+ }
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+
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+ return true
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+}
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+
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+func connected(key string, computers map[string][]string, connections map[string]bool) {
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+ if !contains(computers[key], connections) {
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+ return
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+ }
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+
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+ connections[key] = true
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+ for _, value := range computers[key] {
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+ if connections[value] {
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+ continue
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+ }
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+
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+ connected(value, computers, connections)
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+ }
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+}
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+
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+func part2(computers map[string][]string) int {
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+ var allConnections []map[string]bool
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+ for key, _ := range computers {
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+ connections := make(map[string]bool)
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+ connected(key, computers, connections)
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+
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+ allConnections = append(allConnections, connections)
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+ }
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+
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+ fmt.Println(allConnections, len(allConnections))
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+ return 0
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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("You need to specify a file!")
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@@ -84,5 +134,6 @@ func main() {
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}
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computers := readInput(file)
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- fmt.Println(part1(computers))
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+ fmt.Println("Part1:", part1(computers))
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+ fmt.Println("Part2:", part2(computers))
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}
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