fix d1 input parsing

anna-oake · anna-oake · commit 2bd5d387087e · 2024-12-02T14:29:56.000+01:00
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+data/*.big.txt
diff --git a/d1.go b/d1.go
@@ -13,6 +13,9 @@ func (*methods) D1P1(input string) string {
 	var left, right []int64
 	for _, line := range lines {
 		sides := strings.Split(line, "   ")
+		if len(sides) != 2 {
+			continue
+		}
 		l, _ := strconv.ParseInt(sides[0], 10, 64)
 		r, _ := strconv.ParseInt(sides[1], 10, 64)
 		left = append(left, l)
@@ -34,6 +37,9 @@ func (*methods) D1P2(input string) string {
 	var left, right []int64
 	for _, line := range lines {
 		sides := strings.Split(line, "   ")
+		if len(sides) != 2 {
+			continue
+		}
 		l, _ := strconv.ParseInt(sides[0], 10, 64)
 		r, _ := strconv.ParseInt(sides[1], 10, 64)
 		left = append(left, l)
