// Lang_24 [arrays (jagged)].nova


// The application class.
class ArraysJaggedApp
{
   // Application class's "main" function.
   public static void main( String[] args )
   {
      int[][] a = { { 1, 2, 3 }, { 4, 5, 6, 7, 8, 9 }, { 10, 11, 12 } };

      Stream.writeLine( toString( a ) );


      a = new int[ 10 ][];

      for ( uint i = 0; i < a.length; i++ )
      {
         a[ i ] = new int[ i + 1 ];

         for ( uint j = 0; j < a[ i ].length; j++ )
         {
            a[ i ][ j ] = (int)( ( i * 10 ) + j );
         }
      }

      Stream.writeLine( toString( a ) );
   }


   private static String toString( int[][] a )
   {
      String str = new String( );

      for ( uint i = 0; i < a.length; i++ )
      {
         for ( uint j = 0; j < a[ i ].length; j++ )
         {
            if ( a[ i ][ j ] < 10 )
            {
               str += '0';
            }

            str += Integer.toString( a[ i ][ j ] ) + ' ';
         }

         str += '\n';
      }

      return str;
   }
}