Improved Day 14 sequence detection

day14/day14.go

@@ -141,13 +141,30 @@ func SumWeightsAfterTilts(lines []string) int {
 
 	}
 
+	// end := 1
+	// for ; end < len(results)-1; end++ {
+	// 	if results[end] == results[0] && results[end+1] == results[1] {
+	// 		break
+	// 	}
+	// }
 	end := 1
+	seq := []int{}
+	seq = append(seq, results[0])
 	for ; end < len(results)-1; end++ {
-		if results[end] == results[0] && results[end+1] == results[1] {
+		if results[end] == results[0] {
+			seqBroken := false
+			for i, val := range seq {
+				if results[end+i] != val {
+					seqBroken = true
 					break
 				}
 			}
-
+			if !seqBroken {
+				break
+			}
+		}
+		seq = append(seq, results[end])
+	}
 	idx := ((1_000_000_000 - results2[0]) % end) - 1
 	fmt.Println(results[idx])