Completed 1-2

1-2/main.go

@@ -10,18 +10,23 @@ import (
 func main() {
 	input, err := readInput("input")
 	if err != nil {
-		fmt.Errorf(err.Error())
+		fmt.Printf("%s", err.Error())
 		return
 	}
 
 	counter := 0
-	for i := 0; i < len(input)-1; i++ {
-		if input[i+1] > input[i] {
+	sums := make([]int, 0)
+	for i := 0; i < len(input)-2; i++ {
+		sums = append(sums, (input[i] + input[i+1] + input[i+2]))
+	}
+
+	for i := 0; i < len(sums)-1; i++ {
+		if sums[i+1] > sums[i] {
 			counter++
 		}
 	}
 
-	fmt.Printf("It increased %d times", counter)
+	fmt.Printf("Number of times increased is: %d", counter)
 }
 
 func readInput(filename string) ([]int, error) {