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1、7.3圖的遍歷回顧其他數(shù)據(jù)結(jié)構(gòu)的遍歷:順序表的遍歷單鏈表的遍歷二叉樹、樹和森林的遍歷問題:那么對于圖,我們怎樣進行遍歷呢?(需要記錄訪問過頂點的信息,引入visited[0…n-1])圖的深度優(yōu)先遍歷圖的廣度優(yōu)先遍歷這兩個算法是后面拓?fù)渑判?、求關(guān)鍵路徑算法的基礎(chǔ)7.3.1.連通圖的深度優(yōu)先遍歷類似于樹的先根遍歷,是其推廣1.深度優(yōu)先遍歷以v開始的連通圖訪問v分別深度優(yōu)先遍歷v的各個未被訪問的鄰接點算法描述:2.算法演示01v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6
2、v7v2v8v2v8v3v7v3v6v4v5v1v2v3v4v5v6v7v8例圖及其鄰接表表示演示開始,以v1為遍歷的起點01v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5v101v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v101v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,
3、v1v3v201v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v201v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5v401v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5v401v12v23V34V45v56v67v78v8
4、v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v401v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6
5、v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4v501v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4v501v12v23V34V45v56v67v78v8v2v3v1v4v5v1v
6、6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v501v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v7
7、8v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801
8、v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v5,v4v2,v8v4,v5v2v801v12v23V34V45v56v67v78v8v2v3v1v4v5v1v6v7v2v8v2v8v3v7v3v6v4v5,v1v3,v2v1v