백준 1427번

원본 : www.acmicpc.net/problem/1427

1427번: 소트인사이드

 

풀이

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Arrays;

public class Main {

	public static void main(String[] args) throws Exception {

		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
		
		String str = reader.readLine();
        int arr[] = new int[str.length()];
        
        for (int i = 0; i < arr.length; i++) {
            arr[i] = Integer.parseInt(String.valueOf(str.charAt(i)));
        }    
        
        Arrays.sort(arr);
        
        for (int i = arr.length - 1; i >= 0; i--) {
            writer.write(String.valueOf(arr[i]));
        }
        
		writer.flush();
    }
    
}