16. 下示網圖的要徑為：
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(A)(0 )→ (1 )→ (3 )→ (5 )→ (6 )
(B)(0 )→ (1 )→ (2 )→ (4 )→ (6 )
(C)(0 )→ (1 )→ (2 )→ (4)→ (5 )→ (6 )
(D)(0 )→ (3 )→ (5 )→ (6 )。

答案：登入後查看
統計： A(2), B(1), C(2), D(0), E(0) #2386654