public static void main ( String [ ] $ ) {
  solve ( 0 , 0 ) ;
  System . out . println ( memo [ 0 ] [ 0 ] - 1 ) ;
}

public static void main ( String [ ] $ ) { solve ( 0 , 0 ) ; System . out . println ( memo [ 0 ] [ 0 ] - 1 ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (decimal_integer_literal)))))))