10809번 '알파벳 찾기'

let input = readLine()!
var dict: [UInt32: Int] = [:]
for i in 0..<input.count{
    let alpha = input[input.index(input.startIndex, offsetBy: i)].description
    let alphaToAscii = alpha.unicodeScalars.first?.value
    let index = alphaToAscii! - 97
    if(!dict.keys.contains(index)){
        dict[index] = i
    }
    
}
for i in 0...25{
    if(dict.keys.contains(UInt32(i))){
        print(dict[UInt32(i)]!, terminator: " ")
    }
    else{
        print("-1", terminator: " ")
    }
}