Solution for Day 12

twelve/main.go

@@ -0,0 +1,24 @@
+package twelve
+
+import "fmt"
+
+type Twelve struct {
+	navigation navigation
+}
+
+func Init(filepath string) *Twelve {
+	twelve := &Twelve{
+		navigation: navigation{},
+	}
+
+	twelve.navigation.load(filepath)
+	return twelve
+}
+
+func (d *Twelve) Answer() string {
+	return fmt.Sprintf("Found %d paths through the cave system", len(d.navigation.findPaths()))
+}
+
+func (d *Twelve) FollowUp() string {
+	return fmt.Sprintf("Found %d paths through the cave system", len(d.navigation.findPaths2()))
+}