백준10809: 알파벳 찾기

문제

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

문제 풀이

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String word = sc.next();
        int[] alphabet = new int[26];
        for (int i = 0; i < alphabet.length; i++) {
            alphabet[i] = -1;
        }

        for (int i = 0; i < word.length(); i++) {
            char c = word.charAt(i);
            if (alphabet[c - 'a'] == -1) {
                alphabet[c - 'a'] = i;
            }
        }

        for (int n : alphabet) {
            System.out.print(n + " ");
        }
    }
}