import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;

public class CompileTest {

   public static void main(String[] args) throws Exception {
       int cnt = Integer.parseInt(args[0]);

       try {
               PrintWriter out = new PrintWriter(new
FileWriter("./out.txt"));

               long startTime;
               long endTime;
               long diff;

               String[] args1 = {"-classpath","","./HelloWorld.java"};

               StringBuilder buf = new StringBuilder();
               int i = 0;
               while (i < cnt) {
                       buf.append("./class" + String.format("%d", i) +
".jar");
                       buf.append(";");
                       i++;
               }
                args1[1] = buf.toString();
                buf.setLength(0);
                startTime = System.currentTimeMillis();
           boolean ret = (com.sun.tools.javac.Main.compile(args1, out) == 0);
               if (ret == false){
                       System.out.println("Compile ERR " + ret);
               }

               endTime = System.currentTimeMillis();
               diff = endTime - startTime;
                       String str = cnt + " : " + diff + "\n";

               System.out.println(str);

       } catch (Exception ex) {
           ex.printStackTrace();
           throw ex;
       }
   }
}