18. 10808번 알파벳 개수

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class training {
 
    public static void main(String[] args) throws IOException {
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
 
        String string = br.readLine();
        
        //알파벳 26개의 배열
        int[] Alphabet = new int[26];
 
        for (int i = 0; i < string.length(); i++) {
            int alp = string.charAt(i) - 97;
 
            Alphabet[alp] += 1;
 
        }
 
        for (int i : Alphabet) {
            bw.write(i + " ");
        }
 
        bw.flush();
        bw.close();
 
    }
 
}

결과