static int findElement ( int [ ] arr , int n ) {
  int [ ] leftMax = new int [ n ] ;
  leftMax [ 0 ] = Integer . MIN_VALUE ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) leftMax [ i ] = Math . max ( leftMax [ i - 1 ] , arr [ i - 1 ] ) ;
  int rightMin = Integer . MAX_VALUE ;
  for ( int i = n - 1 ;
  i >= 0 ;
  i -- ) {
    if ( leftMax [ i ] < arr [ i ] && rightMin > arr [ i ] ) return i ;
    rightMin = Math . min ( rightMin , arr [ i ] ) ;
  }
  return - 1 ;
}

static int findElement ( int [ ] arr , int n ) { int [ ] leftMax = new int [ n ] ; leftMax [ 0 ] = Integer . MIN_VALUE ; for ( int i = 1 ; i < n ; i ++ ) leftMax [ i ] = Math . max ( leftMax [ i - 1 ] , arr [ i - 1 ] ) ; int rightMin = Integer . MAX_VALUE ; for ( int i = n - 1 ; i >= 0 ; i -- ) { if ( leftMax [ i ] < arr [ i ] && rightMin > arr [ i ] ) return i ; rightMin = Math . min ( rightMin , arr [ i ] ) ; } return - 1 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (field_access object: (identifier) field: (identifier)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (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: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) consequence: (return_statement (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (array_access array: (identifier) index: (identifier)))))))) (return_statement (unary_expression operand: (decimal_integer_literal)))))