day07/main.go

@@ -9,7 +9,7 @@ import (
 
 func main() {
 	if len(os.Args) != 2 {
-		fmt.Fprintln(os.Stderr, "Usage: day06 FILE")
+		fmt.Fprintln(os.Stderr, "Usage: day07 FILE")
 	}
 
 	input, err := os.Open(os.Args[1])
@@ -40,10 +40,11 @@ func run(scan *bufio.Scanner) (uint64, uint64) {
 		game.plays = append(game.plays, Play{bid, []rune(cards), &game})
 	}
 
-	game.cardOrder = getOrder(1)
+	game.cardOrder = getOrder(cardTypes1)
 	product1 := calcProduct(game)
 
-	game.cardOrder = getOrder(2)
+	game.cardOrder = getOrder(cardTypes2)
+	game.wildCard = 'J'
 	product2 := calcProduct(game)
 
 	return product1, product2
@@ -64,11 +65,7 @@ func calcProduct(game Game) uint64 {
 	return product
 }
 
-func getOrder(v int) map[rune]int {
-	cardTypes := cardTypes1
-	if v == 2 {
-		cardTypes = cardTypes2
-	}
+func getOrder(cardTypes []rune) map[rune]int {
 	cardOrder := make(map[rune]int, len(cardTypes))
 	for i, r := range cardTypes {
 		cardOrder[r] = len(cardTypes) - i

day07/main_test.go

@@ -24,7 +24,7 @@ func TestHands(t *testing.T) {
 	is := is.New(t)
 
 	var game Game
-	game.cardOrder = getOrder(1)
+	game.cardOrder = getOrder(cardTypes1)
 
 	h := Play{0, []rune("AAA23"), &game}
 	is.Equal(h.HandType(), "3K-A")
@@ -40,7 +40,6 @@ func TestHands(t *testing.T) {
 	h = Play{0, []rune("QQQJA"), &game}
 	is.Equal(h.HandType(), "3K-Q")
 	is.Equal(fmt.Sprintf("%x", h.HandStrength()), "4bbbad")
-
 }
 
 func TestPower(t *testing.T) {
@@ -69,5 +68,5 @@ func TestSolution(t *testing.T) {
 	is.Equal(score1, uint64(248559379))
 
 	t.Log("score2", score2)
-	is.Equal(score2, uint64(248761814))
+	is.Equal(score2, uint64(249631254))
 }