scanf（）!=EOF 请问键盘上输入什么才能导致循环停止

Question

#include<stdio.h>
int main()
{
int maxnum = 0;
int num = 0;
while (scanf("%d", &num) != EOF) //读到结尾停止读取
{ if (num > maxnum) //判断是否为最大值
maxnum = num;
}
printf("%d\n", maxnum);
return 0;
}

Answer 1

组合键，CTRL+Z，然后再回车