神奇的输入输出,tm还必须是最外层套一个while

#include<stdio.h>

int main(int argc, char const *argv[])
{
    int num = 0, sflag = 0, ntmp = 0, stmp = 0;

    while (scanf("%d", &num) != EOF)
    {
        int arrays[num];
        for (int i = 0; i < num; i++)
        {
            ntmp = 0;
            scanf("%d", &ntmp);
            arrays[i] = ntmp;
        }
        scanf("%d", &sflag);

        //冒泡排序
        for (int i = 0; i < num; i++)
        {
            for (int j = i+1; j < num; j++)
            {
                if (sflag == 1)
                {
                    //降序
                    if (arrays[i] < arrays[j])
                    {
                        stmp = 0;
                        stmp = arrays[i];
                        arrays[i] = arrays[j];
                        arrays[j] = stmp;
                    }
                }
                else
                {
                    //升序
                    if (arrays[i] > arrays[j])
                    {
                        stmp = 0;
                        stmp = arrays[i];
                        arrays[i] = arrays[j];
                        arrays[j] = stmp;
                    }
                }
            }
        }

        //打印数组
        for (int i = 0; i < num; i++)
        {
            printf("%d ", arrays[i]);
        }

        printf("\n");
    }



    return 0;
}