[백준] 10809 : 알파벳 찾기 - JAVA

문제

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

10809번: 알파벳 찾기

 

코드

import java.io.*;
import java.util.*;

class Main {	
	
	public static void main(String args[]) throws Exception{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));		
		String str = br.readLine();
		
		int alpha [] = new int [26];
		
		Arrays.fill(alpha, -1);
		
		for(int i=0;i<str.length();i++) {
			char ch = str.charAt(i);
			if(alpha[ch -'a'] >= 0) continue;
			alpha[ch-'a'] = i;
		}
		
		for(int i=0;i<26;i++) {
			System.out.print(alpha[i]+ " ");
		}
		
	}
	
}