使用如下方法:
srand((unsigned)time(NULL));
int ir=rand()%256;
srand((unsigned)time(NULL));
int ig=rand()%256;
srand((unsigned)time(NULL));
int ib=rand()%256;
这样每次的种子应该变化了的,为什么产的的三个数都是一样的?
srand((unsigned)time(NULL));
int ir=rand()%256;
srand((unsigned)time(NULL));
int ig=rand()%256;
srand((unsigned)time(NULL));
int ib=rand()%256;
这样每次的种子应该变化了的,为什么产的的三个数都是一样的?
srand((unsigned)time(NULL));
int ir=rand()%256;
int ig=rand()%256;
int ib=rand()%256;