✨ Finish part 2 of day 2

day2/main.go

@@ -32,12 +32,39 @@ func main() {
 		}
 		t2 = append(t2, j)
 	}
+	wip := make([]int, len(t2))
 	// ========= Finish now, we can solve the task ======
-	t2[1] = 12
+	copy(wip, t2)
-	t2[2] = 2
+	wip[1] = 12
-	ParseArray(t2)
+	wip[2] = 2
+	ParseArray(wip)
+	log.Println("Part1: " + strconv.Itoa(wip[0]))
 
-	log.Println("Part1: " + strconv.Itoa(t2[0]))
+	noun, verb := Brutforce(t2, 19690720)
+
+	if noun == -1 || verb == -1 {
+		log.Fatal("Part2: No values found!")
+	}
+
+	log.Println("Part2: noun=" + strconv.Itoa(noun) + " verb=" + strconv.Itoa(verb))
+}
+
+func Brutforce(list []int, des int) (int, int) {
+	wip := make([]int, len(list))
+	copy(wip, list)
+
+	for i := 0; i < 100; i++ {
+		for j := 0; j < 100; j++ {
+			copy(wip, list)
+			wip[1] = i
+			wip[2] = j
+			ParseArray(wip)
+			if wip[0] == des {
+				return i, j
+			}
+		}
+	}
+	return -1, -1
 }
 
 func ParseArray(list []int) error {