采集了三组、每组四个数据，用行指针法和地址法编程实现：（1）实验数据输入和输出；（2）求每组数据的平均值并输出；（3）求每列数据的最大值并报告位置。-Collected three groups, each group of four data, using row pointer and address programming: (1) experimental data input and output　(2) the average value for each group of data and output　(3) for each row of data and report the location of maximum value.