124 Prim算法中，数组元素near[j]取值为0表示已经结点j已经选入到树中；不为0，表示与结点j相邻的最小成本边的另一个端点。（ ）\n \n \n \n \n \n \n

\n \n \n \n A.\n 对\n

\n \n

\n \n \n \n B.\n 错\n