static boolean checkpossible ( int mask , int arr [ ] , int prefix [ ] , int n , int k ) {
  int i , j ;
  boolean dp [ ] [ ] = new boolean [ n + 1 ] [ k + 1 ] ;
  for ( i = 0 ;
  i < n + 1 ;
  i ++ ) {
    for ( j = 0 ;
    j < k + 1 ;
    j ++ ) {
      dp [ i ] [ j ] = false ;
    }
  }
  dp [ 0 ] [ 0 ] = true ;
  for ( i = 1 ;
  i <= n ;
  i ++ ) {
    for ( j = 1 ;
    j <= k ;
    j ++ ) {
      for ( int l = i - 1 ;
      l >= 0 ;
      -- l ) {
        if ( dp [ l ] [ j - 1 ] && ( ( ( prefix [ i ] - prefix [ l ] ) & mask ) == mask ) ) {
          dp [ i ] [ j ] = true ;
          break ;
        }
      }
    }
  }
  return dp [ n ] [ k ] ;
}

static boolean checkpossible ( int mask , int arr [ ] , int prefix [ ] , int n , int k ) { int i , j ; boolean dp [ ] [ ] = new boolean [ n + 1 ] [ k + 1 ] ; for ( i = 0 ; i < n + 1 ; i ++ ) { for ( j = 0 ; j < k + 1 ; j ++ ) { dp [ i ] [ j ] = false ; } } dp [ 0 ] [ 0 ] = true ; for ( i = 1 ; i <= n ; i ++ ) { for ( j = 1 ; j <= k ; j ++ ) { for ( int l = i - 1 ; l >= 0 ; -- l ) { if ( dp [ l ] [ j - 1 ] && ( ( ( prefix [ i ] - prefix [ l ] ) & mask ) == mask ) ) { dp [ i ] [ j ] = true ; break ; } } } } return dp [ n ] [ k ] ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (boolean_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal))) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (for_statement init: (assignment_expression left: (identifier) right: (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: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (false))))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (true))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (assignment_expression left: (identifier) right: (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: (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: (array_access array: (array_access array: (identifier) index: (identifier)) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) right: (identifier))) right: (identifier))))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (true))) (break_statement))))))))) (return_statement (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))