static int maxSum ( int a [ ] , int n ) {
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) sum += a [ i ] ;
  int limit = 2 * sum + 1 ;
  int dp [ ] [ ] = new int [ n + 1 ] [ limit ] ;
  for ( int i = 0 ;
  i < n + 1 ;
  i ++ ) {
    for ( int j = 0 ;
    j < limit ;
    j ++ ) dp [ i ] [ j ] = INT_MIN ;
  }
  dp [ 0 ] [ sum ] = 0 ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    for ( int j = 0 ;
    j < limit ;
    j ++ ) {
      if ( ( j - a [ i - 1 ] ) >= 0 && dp [ i - 1 ] [ j - a [ i - 1 ] ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j - a [ i - 1 ] ] + a [ i - 1 ] ) ;
      if ( ( j + a [ i - 1 ] ) < limit && dp [ i - 1 ] [ j + a [ i - 1 ] ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j + a [ i - 1 ] ] ) ;
      if ( dp [ i - 1 ] [ j ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j ] ) ;
    }
  }
  return dp [ n ] [ sum ] ;
}

static int maxSum ( int a [ ] , int n ) { int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) sum += a [ i ] ; int limit = 2 * sum + 1 ; int dp [ ] [ ] = new int [ n + 1 ] [ limit ] ; for ( int i = 0 ; i < n + 1 ; i ++ ) { for ( int j = 0 ; j < limit ; j ++ ) dp [ i ] [ j ] = INT_MIN ; } dp [ 0 ] [ sum ] = 0 ; for ( int i = 1 ; i <= n ; i ++ ) { for ( int j = 0 ; j < limit ; j ++ ) { if ( ( j - a [ i - 1 ] ) >= 0 && dp [ i - 1 ] [ j - a [ i - 1 ] ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j - a [ i - 1 ] ] + a [ i - 1 ] ) ; if ( ( j + a [ i - 1 ] ) < limit && dp [ i - 1 ] [ j + a [ i - 1 ] ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j + a [ i - 1 ] ] ) ; if ( dp [ i - 1 ] [ j ] != INT_MIN ) dp [ i ] [ j ] = Math . max ( dp [ i ] [ j ] , dp [ i - 1 ] [ j ] ) ; } } return dp [ n ] [ sum ] ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (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: (identifier) right: (array_access array: (identifier) index: (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal))) dimensions: (dimensions_expr (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: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (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: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (identifier)))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (identifier)) right: (decimal_integer_literal))) (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: (block (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: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (identifier)))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) (binary_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (identifier)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (identifier)))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (identifier)) right: (identifier))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (identifier))))))))))) (return_statement (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))