private static long solve ( int [ ] [ ] m , int n , int zr , int zc ) {
  long cm = 0 , sol = - 1 ;
  if ( n == 1 ) return n ;
  ;
}

private static long solve ( int [ ] [ ] m , int n , int zr , int zc ) { long cm = 0 , sol = - 1 ; if ( n == 1 ) return n ; ; }
(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)) (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) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (unary_expression operand: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (identifier)))))