Language: Java

import java.io.*;
import java.util.*;
??
public class Main{
????????public static void main(String[] args)throws IOException{
????????????????InputStreamReader isr =new InputStreamReader(System.in);
????????????????BufferedReader reader =new BufferedReader(isr);
??????????????????
????????????????String buf = reader.readLine();
????????????????int n = Integer.parseInt(buf);
??????????????????
????????????????while (n != 0) {
????????????????????
????????????????????????buf = reader.readLine();
????????????????????????StringTokenizer st = new StringTokenizer(buf," ");
????????????????????????int i;
????????????????????????int[] s = new int[n];
????????????????????????for (i = 0;i < n;i++) s[i] = Integer.parseInt(st.nextToken());
??????????????????????????
????????????????????????double ave = 0, dev = 0;
????????????????????????for (i = 0;i < n;i++) ave += (double)s[i];
????????????????????????ave /= (double)n;
??????????????????????????
????????????????????????for (i = 0;i < n;i++) dev += (s[i] - ave) * (s[i] - ave);
????????????????????????dev /= (double)n;
????????????????????????dev = Math.sqrt(dev);
????????????????????????System.out.printf("%.8f\n", dev);
??????????????????????????
????????????????????????buf = reader.readLine();
????????????????????????n = Integer.parseInt(buf);
????????????????}
????????}
}

Compiler output:
Main.java:3: error: class, interface, enum, or record expected
??
^
Main.java:5: error: illegal start of type
????????public static void main(String[] args)throws IOException{
^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
 ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
  ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
   ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
    ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
     ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
      ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
       ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
        ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
         ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
          ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
           ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
            ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
             ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
              ^
Main.java:6: error: illegal start of expression
????????????????InputStreamReader isr =new InputStreamReader(System.in);
               ^
Main.java:6: error: : expected
????????????????InputStreamReader isr =new InputStreamReader(System.in);
                                 ^
Main.java:6: error: : expected
????????????????InputStreamReader isr =new InputStreamReader(System.in);
                                                                       ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
 ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
  ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
   ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
    ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
     ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
      ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
       ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
        ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
         ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
          ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
           ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
            ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
             ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
              ^
Main.java:7: error: illegal start of expression
????????????????BufferedReader reader =new BufferedReader(isr);
               ^
Main.java:7: error: : expected
????????????????BufferedReader reader =new BufferedReader(isr);
                              ^
Main.java:7: error: : expected
????????????????BufferedReader reader =new BufferedReader(isr);
                                                              ^
Main.java:8: error: illegal start of expression
??????????????????
^
Main.java:8: error: illegal start of expression
??????????????????
 ^
Main.java:8: error: illegal start of expression
??????????????????
  ^
Main.java:8: error: illegal start of expression
??????????????????
   ^
Main.java:8: error: illegal start of expression
??????????????????
    ^
Main.java:8: error: illegal start of expression
??????????????????
     ^
Main.java:8: error: illegal start of expression
??????????????????
      ^
Main.java:8: error: illegal start of expression
??????????????????
       ^
Main.java:8: error: illegal start of expression
??????????????????
        ^
Main.java:8: error: illegal start of expression
??????????????????
         ^
Main.java:8: error: illegal start of expression
??????????????????
          ^
Main.java:8: error: illegal start of expression
??????????????????
           ^
Main.java:8: error: illegal start of expression
??????????????????
            ^
Main.java:8: error: illegal start of expression
??????????????????
             ^
Main.java:8: error: illegal start of expression
??????????????????
              ^
Main.java:8: error: illegal start of expression
??????????????????
               ^
Main.java:8: error: illegal start of expression
??????????????????
                ^
Main.java:8: error: illegal start of expression
??????????????????
                 ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
 ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
  ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
   ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
    ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
     ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
      ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
       ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
        ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
         ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
          ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
           ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
            ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
             ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
              ^
Main.java:9: error: illegal start of expression
????????????????String buf = reader.readLine();
               ^
Main.java:9: error: : expected
????????????????String buf = reader.readLine();
                      ^
Main.java:9: error: : expected
????????????????String buf = reader.readLine();
                                              ^
74 errors
printing javac parameters to: /w/javac.20260128_045502.args