From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Too many permutations computed Date: Wed, 02 Aug 2023 12:13:56 +0200 Message-ID: <87sf91eopn.fsf@dataswamp.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2490"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:+ovlQoZWJ6z2Zlkq/jah8P1KM8g= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 02 17:07:35 2023 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qRDRn-0000RV-QE for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 02 Aug 2023 17:07:35 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qRDRe-0000rG-PG; Wed, 02 Aug 2023 11:07:27 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qR8rp-0002wn-5c for help-gnu-emacs@gnu.org; Wed, 02 Aug 2023 06:14:09 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qR8rn-000070-Ia for help-gnu-emacs@gnu.org; Wed, 02 Aug 2023 06:14:08 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1qR8rk-0001U1-Vr for help-gnu-emacs@gnu.org; Wed, 02 Aug 2023 12:14:05 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 02 Aug 2023 11:07:25 -0400 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:144554 Archived-At: uzibalqa wrote: > (while (< j h) [...] > (setq j (1+ j))) > [...] > for i := 0; i < k-1; i += 1 do [...] You can replace that `while' with a for loop using `cl-loop' and for, to make it a closer match to the pseudo-code. This: (setq j (1+ j)) can be replaced by `cl-incf' as in (cl-incf j) - but better yet is to get away with that and use a for loop to iterate instead. Again you can check out these two https://dataswamp.org/~incal/emacs-init/perm.el https://www.emacswiki.org/emacs/StringPermutations but after spending so much time on your own solution I get it you want to complete it ... -- underground experts united https://dataswamp.org/~incal