c rand() srand()

int main()
{
    /* 初始化随机数发生器 */
    srand((unsigned int)time(NULL));
    for (int i =0;i<5;i++)
    {
        //随机数
        printf("%d \n", rand());
    }
    //printf("%d \n" ,rand());
    
    system("pause");
    return 0;
}