数组定义 时候小技巧 宏应用

#include<iostream>using std::cout;using std::endl;#define COUNT_TEST static_cast<int>(sizeof(aiTest) / sizeof(int))int main(){    int aiTest[]={1,2,3,4,5,6,7,8,9,10}; //可以不用计算到底有多少个    cout<<COUNT_TEST<<endl;    system("pause");    return 0;}