如何得到随机数？

Question

   //const int RMAX = 100;
   //const int RMIN = 50;
   srand((unsigned)time( NULL ));   for(int i = 0;  i < 10; i++)
   {
      CString sz;
      //sz.Format("  %6d\n",   rand()%RMAX + RMIN); 
      sz.Format("  %6d\n",   rand()); 
      AfxMessageBox(sz);
   }

Answer 1

srand(time(NULL));
DWORD var=rand(); 

Answer 2

#include"time.h"
srand((unsigned)time( NULL ));
(double)rand()/RAND_MAX;
~~~~~~~~~~~~~~~~~~~~~~~~
0~1之间的随机数.

Answer 3

#include"time.h"
srand((unsigned)time( NULL ));
(double)rand()/RAND_MAX;
~~~~~~~~~~~~~~~~~~~~~~~~
0~1之间的随机数.
给点分吧！