백준 2577번: 숫자의 개수

문제 출처: https://www.acmicpc.net/problem/2577

import java.io.BufferedReader;
import java.io.InputStreamReader;
 
public class Main {
    
    public static void main(String[] args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int A = Integer.parseInt(reader.readLine());
        int B = Integer.parseInt(reader.readLine());
        int C = Integer.parseInt(reader.readLine());
        int result = A*B*C;
        int arr[] = new int[10];
        
        int count = String.valueOf(result).length();
        int divide = (int) Math.pow(10, --count);
        for( ; divide>0 ; divide=divide/10){
            arr[result/divide]++;
            result -= result/divide * divide;
        }
        
        for(int i=0 ; i<arr.length ; i++)
            System.out.println(arr[i]);
    }
}