static float geometricMean ( int arr [ ] , int n ) {
  float product = 1 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) product = product * arr [ i ] ;
  float gm = ( float ) Math . pow ( product , ( float ) 1 / n ) ;
  return gm ;
}

static float geometricMean ( int arr [ ] , int n ) { float product = 1 ; for ( int i = 0 ; i < n ; i ++ ) product = product * arr [ i ] ; float gm = ( float ) Math . pow ( product , ( float ) 1 / n ) ; return gm ; }
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