C++指定范围取随机数方法

//srand((unsigned)time(null));
//#define Random(min,max) (rand()%(max-min+1)) + min - 1
//#define Random(min,max) (rand()%(max-min)) + min
//#define Random(min,max) (rand()%(max-min))+ min + 1
//#define Random(min,max) (rand()%(max-min+1)) + min