Title:
Maximal-element-with-minimal-element
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Description: Enter input poset <A, > The number of elements in A is not more than 20, respectively, with a single lowercase letters of the alphabet. The first line of input gives the individual elements in the A, between two adjacent elements separated by commas. The second line of the input given partial order, ordered pair form given <a,b> And <c,a> Between two adjacent ordered pair separated by commas. Output A minimizer maximal element. The first line of output is given each minimal element between two adjacent elements, separated by commas, output element requirements in accordance with the natural order of the letters of the alphabet are arranged output. The second line of output given the various maximal element between two adjacent elements separated by a comma, the output element requirements in accordance with the natural order of the letters of the alphabet are arranged output.
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Maximal element with minimal element\求偏序集中的极大元与极小元.cpp
Maximal element with minimal element
