static double findMinValue ( double arr [ ] , double n ) {
  double sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) sum += ( double ) Math . log10 ( arr [ i ] ) + EPS ;
  double xl = ( double ) ( sum / n + EPS ) ;
  double res = Math . pow ( ( double ) 10.0 , ( double ) xl ) + EPS ;
  return ( double ) Math . ceil ( res + EPS ) ;
}

static double findMinValue ( double arr [ ] , double n ) { double sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) sum += ( double ) Math . log10 ( arr [ i ] ) + EPS ; double xl = ( double ) ( sum / n + EPS ) ; double res = Math . pow ( ( double ) 10.0 , ( double ) xl ) + EPS ; return ( double ) Math . ceil ( res + EPS ) ; }
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