static long maxProd ( int arr [ ] , int n , int k ) {
  long product = 1 ;
  HashMap < Integer , Integer > s = new HashMap < Integer , Integer > ( ) ;
  Arrays . sort ( arr ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( s . containsKey ( arr [ i ] ) == false ) {
      product = product * arr [ i ] ;
      s . put ( arr [ i ] , 1 ) ;
    }
    else s . put ( arr [ i ] , s . get ( arr [ i ] ) + 1 ) ;
  }
  for ( int j = n - 1 ;
  j >= 0 && k > 0 ;
  j -- ) {
    if ( ( k > ( s . get ( arr [ j ] ) - 1 ) ) && ( ( s . get ( arr [ j ] ) - 1 ) > 0 ) ) {
      product *= Math . pow ( arr [ j ] , s . get ( arr [ j ] ) - 1 ) ;
      k = k - s . get ( arr [ j ] ) + 1 ;
      s . put ( arr [ j ] , 0 ) ;
    }
    if ( k <= ( s . get ( arr [ j ] ) - 1 ) && ( ( s . get ( arr [ j ] ) - 1 ) > 0 ) ) {
      product *= Math . pow ( arr [ j ] , k ) ;
      break ;
    }
  }
  return product ;
}

static long maxProd ( int arr [ ] , int n , int k ) { long product = 1 ; HashMap < Integer , Integer > s = new HashMap < Integer , Integer > ( ) ; Arrays . sort ( arr ) ; for ( int i = 0 ; i < n ; i ++ ) { if ( s . containsKey ( arr [ i ] ) == false ) { product = product * arr [ i ] ; s . put ( arr [ i ] , 1 ) ; } else s . put ( arr [ i ] , s . get ( arr [ i ] ) + 1 ) ; } for ( int j = n - 1 ; j >= 0 && k > 0 ; j -- ) { if ( ( k > ( s . get ( arr [ j ] ) - 1 ) ) && ( ( s . get ( arr [ j ] ) - 1 ) > 0 ) ) { product *= Math . pow ( arr [ j ] , s . get ( arr [ j ] ) - 1 ) ; k = k - s . get ( arr [ j ] ) + 1 ; s . put ( arr [ j ] , 0 ) ; } if ( k <= ( s . get ( arr [ j ] ) - 1 ) && ( ( s . get ( arr [ j ] ) - 1 ) > 0 ) ) { product *= Math . pow ( arr [ j ] , k ) ; break ; } } return product ; }
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(variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: (false))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (decimal_integer_literal))))) alternative: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: (decimal_integer_literal)))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) condition: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: 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(expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (identifier))))) (break_statement))))) (return_statement (identifier))))