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Article #1372Re: һ������С����(six degrees of separation)���...
From: Spirit������
Date: Fri, 10 Aug 2007 17:00
Date: Fri, 10 Aug 2007 17:00
34 lines
3374 bytes
3374 bytes
ֱ�ӳƺ�����ȷ������۾Ϳ����� �������Ӧ��ͦ��ģ�����������Ҳ����ص���վ�ٽ��в��� ���Ǵ��ע�ᣬȻ�����ݿ��г�ȡָ����Ա����Ҫ�����絽�Ǹ��� ��ͨ���ʼ����Լ���ʶ���ˣ�Ȼ���յ��ʼ��ļ�����ȥ��ͬʱ����վע�ᣬ���¼� ¼ �����֤����ȷ������� ������۵�Ӧ�ÿ����� ��Ⱦ���ϣ�Ϊʲô��Ⱦ����ô�� С����ЧӦ��Ϊʲô���ѵ����ѵ�������Ҳǡ����ʶ�� �����������紫�䣬����˭������Ҫ����Ϣ��ͨ��������գ�ֻ��Ҫͨ��<=6�����Ե��� �Ӿͻ����ҵ�������Ҳ�רҵ������ԭ�?�����Լ����ǹ���ѣ� �� �� caiqirds (����) �Ĵ������ᵽ: �� : Six degrees of separation refers to the idea that, if a person is one "step" a : way from each person he or she knows and two "steps" away from each person who : is known by one of the people he or she knows, then everyone is no more than : six "steps" away from each person on Earth. : http://en.wikipedia.org/wiki/Six_degrees_of_separation : Imagine you wish to create a system that tracked degrees of separation for fri : ends. : For example A is friends with B, B is friends with C, C is friends with D. The : refore there are three degrees of separation between A and D. : You must create a series of tables to hold a person and all their friends. The : .................������ʡ�ԣ� -- [1mspiritone [0m([1;33m����Spirit[0m) ����վ [1;32m533 [0m�� ����[[1;32m600[37m]�� [[36m˫����[0m] �� �� ��: [[1;32m2006��06��08��08:17:44 ������[0m] �� [[1;32m59.78.63.21[0m] ����վһ�Ρ� Ŀǰ���ߣ�[[1;32mѶϢ����([36m��[32m) ��������([36m��[32m)[0m] ������:[[1;32m364[0m] ����:[[1;32m150[0m] ����:[ ] ְ��: [[1;33mvolunteers [32m�����[37m][m http://bbs.sjtu.edu.cn/file/District5/117723159586960.jpg http://bbs.sjtu.edu.cn/file/District5/117723169087184.jpg D5֮����spiritone [m[1;34m�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 210.14.88.3][m
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X-Google-Thread: 101948,8491ce1c09b159e5,start X-Google-Attributes: gid101948,public,usenet X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news2.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!news.cn99.com!bbsnews.sdu.edu.cn!SJTUBBS From: spiritone.bbs@bbs.sjtu.edu.cn (Spirit������) Newsgroups: cn.bbs.comp.database Subject: Re: һ������С����(six degrees of separation)���... Date: 10 Aug 2007 17:00:58 GMT Organization: ��ˮ˼Դ Message-ID: <4VR0kT$cWa@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1186764989.A Lines: 34