[심심풀이 백준문제풀기]10809번 알파벳 찾기

문제 : https://www.acmicpc.net/problem/10809 

import java.util.Scanner;
 public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String input = scan.nextLine();
	
		String [] chk = new String [26];
		
		for(int i = 0 ; i < input.length() ; i ++) {
			int index =input.charAt(i)-'a';
			if(chk[index]==null) {				
				chk[index] = Integer.toString(i);
			}
		}
		for(String idx : chk) {
			String result = idx==null ? "-1" :idx ;
			System.out.print(result+ " ");
		}
	} 
 }