package correct import ( "math/rand" "github.com/01-edu/z01" ) func Valid() string { valid := []string{ "01", "CHOUMIisDAcat!", "choumi", "0123456789", "abc", "Zone01", "0123456789ABCDEF", "WhoAmI?", } i := rand.Intn(len(valid)) return valid[i] } func Invalid() string { invalid := []string{ "0", "1", "CHOUMIisdacat!", "choumiChoumi", "01234567890", "abca", "Zone01Zone01", "0123456789ABCDEF0", "WhoAmI?IamWhoIam", } i := rand.Intn(len(invalid)) return invalid[i] } func StringFrom(base string) string { letters := []rune(base) size := z01.RandIntBetween(1, 10) runes := make([]rune, size) for i := range runes { runes[i] = letters[rand.Intn(len(letters))] } return string(runes) } func ConvertNbr(n int, base string) string { var result string length := len(base) for n >= length { result = string(base[(n%length)]) + result n = n / length } result = string(base[n]) + result return result } func Convert(nbr, baseFrom, baseTo string) string { resultIntermediary := AtoiBase(nbr, baseFrom) resultFinal := ConvertNbr(resultIntermediary, baseTo) return resultFinal } // TODO: fix base exercises