package main import "os" import "fmt" import "strings" import "strconv" // go run 1.go func main() { s := strings.Split(os.Args[1], "") checksum := 0 checksum2 := 0 for index, element := range s { pre := index - 1 pre2 := (index + (len(s) / 2)) % len(s) if pre == -1 { pre = len(s) - 1 } fmt.Println(index, element, pre, s[pre]) if element == s[pre] { i, _ := strconv.Atoi(element) checksum += i } if element == s[pre2] { i, _ := strconv.Atoi(element) checksum2 += i } } fmt.Println(checksum, checksum2) }