Unli harflar sonini topish

Satr s berilgan. Undagi unli harflar (a, e, i, o, u) sonini toping (katta va kichik harflar ham hisoblanadi).

func solve(s string) int {
    // ...
}

Misollar

Input: S='Hello'
Output: 2

Input: S='Programming'
Output: 3

Input: S='Sky'
Output: 0

Maslahatlar

1. for _, r := range s bilan belgilarni aylaning.
2. switch r { case 'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U': count++ }.