俄罗斯套娃游戏，给定一个输入矩阵，每个点权值不同，从起始点出发怎样走才能获得最大收益，每个点只能走到比当前点权值大的点，即能套住当前点，类似于俄罗斯套娃。-Russian Doll game, given an input matrix, each point with different weights, starting from the starting point for how to go to gain maximum benefit from every point only to