[Kc] Perl Quiz of the Week #23

Garrett Goebel garrett at scriptpro.com
Wed Sep 1 13:21:46 CDT 2004

From: Mark Jason Dominus [mailto:mjd at plover.com] 
Sent: Wednesday, September 01, 2004 11:50 AM
To: perl-qotw at plover.com
Subject: [Retrieved]Perl Quiz of the Week #23

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Write a program, 'parens', which gets a command line argument, n', which is
an integer.  The program should print all the properly-balanced strings of
parentheses of length 2n.  For example, given the argument '3', the program
should print these five lines:


in some order.  (The order is not important.)  

For the argument '1'; the output should be:

and for argument '4', the output should be:


in some order.

[ ADMIN: I'm still hoping someone will step forward to write a report
  about expert quiz #22.  - MJD ]

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