UVA - 1225 - Digit Counting

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

public class Main {

    public static void main(String[] args) throws IOException {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        StringBuffer sb = new StringBuffer("");
        StringBuilder seq=new StringBuilder("");
        int cases=Integer.parseInt(br.readLine().trim());
        for(int i=0;i<cases;i++) {
            int x = Integer.parseInt(br.readLine().trim());
            seq=new StringBuilder("");
            for(int j=1;j<x+1;j++){
                seq.append(j);
            }
            int[] arr=count(seq);
            for(int j=0;j<arr.length;j++){
                if(j>0)
                     sb.append(" ");
                sb.append(arr[j]);
            }
            sb.append("\n");
        }
        System.out.print(sb);
    }

    static int[] count(StringBuilder sb){
        int[] arr=new int[10];
        for(int i=0;i<sb.length();i++){
            arr[sb.charAt(i)-'0']++;
        }
        return arr;
    }
}