matrix Accepts: 124 Submissions: 171 Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述 给定n*mn∗m(n+mn+m为奇数)的矩阵，从(1,1)(1,1)走到(n,m)(n,m)且只能往右往下走