C语言实例69：伪随机数产生

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

int main(int argc, char *argv[])
{
    long time1;
    int i, time2;

    time1 = time(NULL);
    printf("%ld\n", time1);

    time2 = (unsigned)time1/2;
    printf("%ld\n", time2);

    srand(time2);

    for(i = 0; i< 10; i++)
    {
        printf("%d ", rand());
    }

    printf("\n");
    system("pause");
    return 0;
}