Java求s=a+aa+aaa+aaaa+aa...a 5个数相加的值

importjava.io.*;

publicclassSumloop {

 publicstaticvoidmain(String[] args)throwsIOException

 {

   ints=0;

   String output="";

   BufferedReader stadin =newBufferedReader(newInputStreamReader(System.in));

   System.out.println("请输入a的值");

   String input =stadin.readLine();

   for(inti =1;i<=Integer.parseInt(input);i++)

   {

     output+=input;

     inta=Integer.parseInt(output);

     s+=a;

   }

   System.out.println(s);

 }

}

importjava.io.*;

publicclassSumloop {

 publicstaticvoidmain(String[] args)throwsIOException

 {

   ints=0;

   intn;

   intt=0;

   BufferedReader stadin =newBufferedReader(newInputStreamReader(System.in));

   String input = stadin.readLine();

   n=Integer.parseInt(input);

   for(inti=1;i<=n;i++){

    t=t*10+n;

    s=s+t;

    System.out.println(t);

   }

   System.out.println(s);

   }

}