【单选题】【消耗次数:1】
设无向图G中的边的集合E={(a,b),(a,e),(a,c),(b,e),(e,d),(d,f),(f,c)},则从顶点a出发进行深度优先遍历可以得到的一种顶点序列为()。
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【单选题】 无向图G=(V,E),其中:V={a,b,c,d,e,f},E={(a,b),(a,e),(a,c),(b,e),(c,f),(f,d),(e,d)},对该图进行深度优先遍历,得到的顶点序列正确的是( )。
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【单选题】 设一个关系为R(A,B,C,D,E,F,G),它的最小函数依赖集为FD={A→B,A→C,C→D,C→E,A→F ,F→G},若要规范化为高一级的范式,则将得到( )个关系。
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