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- 著名图论问题之一。邮递员从邮局出发送信,要求对辖区内每条街,都至少通过一次,再回邮局。在此条件下,怎样选择一条最短路线?此问题由中国数学家管梅谷于1960年首先研究并给出算法,故名。-Well-known graph theory problems. Postman deliver a letter from the post office proceed to require every street within the right area, at least through the ti