程序代码：

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

int main(void)
{
        int num,i;

        srand(time(NULL));
        for(i=0;i<100;++i)
        {
                num=rand()%200+1;
                printf("NO.%3d=%f\n",i+1,(float)(num/100.0-1.0));
        }

        return 0;

}

程序代码：

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

int main(void)
{
        int num,i;

        srand(time(NULL));
        for(i=0;i<100;++i)
        {
                num=rand()%200+1;
                printf("NO.%3d=%f\n",i+1,(float)(num/100.0-1.0));
        }

        return 0;

}