public static boolean check ( int arr [ ] [ ] ) {
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    int count = 0 ;
    for ( int j = 0 ;
    j < m ;
    j ++ ) {
      if ( arr [ i ] [ j ] != ( j + 1 ) ) ++ count ;
      if ( count > 2 ) return false ;
    }
  }
  return true ;
}

public static boolean check ( int arr [ ] [ ] ) { for ( int i = 0 ; i < n ; i ++ ) { int count = 0 ; for ( int j = 0 ; j < m ; j ++ ) { if ( arr [ i ] [ j ] != ( j + 1 ) ) ++ count ; if ( count > 2 ) return false ; } } return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions))) 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 (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: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (false))))))) (return_statement (true))))