用for循环产生4行100列的二维数组,数组成员如下: 1,2,3.......100 100,99,98.......1 6,7,8.......105 105,104,103......6 -For loop generates 4 rows of 100 two-dimensional array, the array members are as follows: 1, 2, 3 ....... 100 100,99,98 ....... 1 6,7,8