static int minimumProduct ( int [ ] arr , int n ) {
  Arrays . sort ( arr ) ;
  int product = 1 ;
  for ( int i = 0 ;
  i < n ;
  i += 2 ) {
    product *= ( arr [ i ] + arr [ i + 1 ] ) ;
  }
  return product ;
}

static int minimumProduct ( int [ ] arr , int n ) { Arrays . sort ( arr ) ; int product = 1 ; for ( int i = 0 ; i < n ; i += 2 ) { product *= ( arr [ i ] + arr [ i + 1 ] ) ; } return product ; }
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