day2, part1

day2/day-two.go

@@ -17,7 +17,7 @@ var Restriction map[string]int = map[string]int{
 
 type Game struct {
 	Num int
-	Sets [3]map[string]int
+	Sets []map[string]int
 }
 
 // now i need to encode the restriction,
@@ -25,7 +25,7 @@ type Game struct {
 // scan though input lines, keep only numbers of games that pass the restriction, or rather sum them
 
 func Run() int {
-	filename := "./day2/example"
+	filename := "./day2/input"
 	file, err := os.Open(filename)
 	if err != nil {
 		panic(fmt.Sprintf("error opening file", filename))
@@ -62,6 +62,7 @@ func (g Game)isPossible(restriction map[string]int) bool {
 
 func ReadLine(line string) Game {
 	result := Game{}
+	result.Sets = make([]map[string]int, 0)
 
 	infoIndex := strings.IndexRune(line, ':')
 	gameTitle := line[0:infoIndex]
@@ -73,8 +74,8 @@ func ReadLine(line string) Game {
 	result.Num = titleNum
 
 	setsLints := strings.Split(line[infoIndex+1:], ";")
-	for i, set := range setsLints {
-		result.Sets[i] = readSet(set)
+	for _, set := range setsLints {
+		result.Sets = append(result.Sets, readSet(set))
 	}
 	return result
 }
@@ -82,6 +83,7 @@ func ReadLine(line string) Game {
 // line like this
 // 8 green, 6 blue, 20 red
 func readSet(setLine string) map[string]int {
+	log.Printf("> reading set: %s", setLine)
 	result := make(map[string]int)
 	itemLines := strings.Split(setLine, ",")
 	for _, line := range itemLines {