我用过的很好的地下城外挂的适用版本，都能选-I used a good plug-in application version of the underground city

用单纯形法求解线性规划最优解，能输出求解过程中产生的单纯形表，并输出最优解-Simplex method for solving linear programming optimal solution, can solve the output generated in the process of simplex tableau, and output the optimal solution