1.

The permutations of {a, b, c, d, e, f, g} are listed in lexicographic order. Which of the following permutations are just before and just after the permutation bacdefg?

A. agfedbc and bacdfge
B. agfedbc and badcefg
C. agfebcd and bacedgf
D. agfedcb and bacdegf
Answer» E.


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