백준 2577 숫자의 개수(Java)

문제보기

2577번: 숫자의 개수

 

 

정답

package baekjoon.ex_array;

import java.util.Scanner;

public class Q_2577 {

    public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub

        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int mul = A * B * C;
        String strMul = mul + "";
        int[] cnt = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
        for (int i = 0; i < strMul.length(); i++) {
            switch (Integer.parseInt((strMul.charAt(i)) + "")) {
            case 0:
                cnt[0]++;
                break;
            case 1:
                cnt[1]++;
                break;
            case 2:
                cnt[2]++;
                break;
            case 3:
                cnt[3]++;
                break;
            case 4:
                cnt[4]++;
                break;
            case 5:
                cnt[5]++;
                break;
            case 6:
                cnt[6]++;
                break;
            case 7:
                cnt[7]++;
                break;
            case 8:
                cnt[8]++;
                break;
            case 9:
                cnt[9]++;
                break;
            default:
                break;
            }
        }
        for (int i = 0; i < cnt.length; i++) {
            System.out.println(cnt[i]);
        }

        sc.close();
    }

}