SWEA_1926) 간단한 369게임

1926) 간단한 369게임 (19.10.04)


문제 링크 (SW Expert Academy)

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import java.io.*;

public class Solution {
    public static void main(String args[]) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int n = Integer.parseInt(br.readLine());
    
        for(int i=1;i<=n;i++) {
            String s = String.valueOf(i);
            int cnt = 0;
            int a =0 ;
            
            for(int j=0;j<s.length();j++) {
                a = s.charAt(j)-'0';
                if(a%3==0 && a!=0) cnt = cnt+1;
            }
            
            if(cnt==0) bw.write(String.valueOf(i));
            else {
                for(int k=0;k<cnt;k++) {
                    bw.write("-");
                }
            }
            
            bw.write(" ");
        }
        
        bw.flush();
        bw.close();
    }
}
cs

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