数塔问题的解决算法，用于计算数塔中从顶层走到底层，若每一步只能走到相邻结点，则经过的结点的数字之和最大是多少。-Number of tower problem algorithm used to calculate the number of the tower from the top go bottom, each step can only be reached if the adjacent nodes, then after the number of nodes and the ma