定义一个长度为10的int数组nArr，采用给定初始值或从键盘输入的方式给数组的10个元素赋值；定义一个int *型指针变量pInt，并将nArr的首地址存入pInt中；-Define a length int array nArr 10, using methods given initial value or input from the keyboard to the 10-element array assignment　define a pointer variable of type int* pInt, and store nArr first address pInt in