#include<stdio.h>
int main()
{
    int number;
    printf("输入一个正整数：");
    scanf("%d",&number);
    printf("以下是质数列表：\n");
   
//    int i=2;
    int n=2;
    int t=1;
   
    while(n<=number)
    {
        int i=2;
        
        while(n%i>0)
        {
            int a=i+1;
            if(n>a)
            {
                i++;
            }
            else
            {
                t++;
                if(t%8==0)
                {
                    printf("%d\n",n);
                }
                else
                {
                    if(n==3)
                    {
                    printf("2 %d ",n);
                    }
                    else
                    {
                    printf("%d ",n);
                    }
                }
                i=2;
                n++;
                if(n>number)
                {
                    printf("\n以上是%d以内的质数\n",number);
                    system("pause");
                    return 0;
                }
            }
        }
        //    int b=n%i;
        n++;
    }
   
    if(number==2)
        {
            printf("2\n以上是%d以内的质数\n",number);
            return 0;
        }
    if(number==1)
        {
            printf("0-1之间没有质数\n");
            return 0;
        }
    if(number==0)
        {
            printf("0-1之间没有质数\n");
        }
    else
    {
        printf("\n以上是%d以内的质数\n",number);
    }
   
    system("pause");
   

    return 0;
}

运行时还会生成一个gmon.out   不知道是什么东西  打开里面是乱码。大神帮忙讲解一下。

谢谢!

按任意键结束的时候。