而带权边集 E 定义为 E ={(Axk , Tyk , sk)|1 ≤ k ≤ l} ∪ {(S, Ak, w(Ak)|1 ≤ k ≤ n} ∪ {(Tk, D, w(Tk)|1 ≤ k ≤ m}. (2) 我们从源顶...