设数组a[1…10,1…8]中的元素按行存放，每个元素占用4个存储单元,已知第一个数组元素a[1,1]的地址为1004,那么a[5,6]的地址为（ ）。
- A.1004+（5*8+6）*4
- B.1004+（4*8+5）*4
- C.1004+（5*10+6）*4
- D.1004+（4*10+5）*4
正确答案及解析
正确答案
解析
本题数组下标从1开始，a[5,6]，按行存储，其前4行已经存满，所在行前5个元素位已经存满，所以a[5,6]，偏移的元素个数为：4*8+5，综合起来本题应该选择B。
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