map_rand.c

C语言常用的程序900例

#include <stdio.h>
#include <stdlib.h>

void main(void)
 {
   int i;

   printf("Values in the range 0.0 through 1.0\n");
   for (i = 0; i < 5; i++)
     printf("%f\n", rand() / 32767.0);

   printf("Values in the range -5 to 5\n");
   for (i = 0; i < 5; i++)
     printf("%d\n", random(10) - 5);
 }