#include<string.h>//用strlen要写
#include<windows.h>//用system("cls")清空屏幕要写
int main()
{
char arr1[] = "welcome to my blog";
char arr2[] = "##################";
int left = 0;
int right = strlen(arr1) - 1;//strlen计算字符块长度
while (left <= right)
{
arr2[left] = arr1[left];
arr2[right] = arr1[right];
printf("%s\n", arr2);
Sleep(1000);//睡眠1秒
system("cls");//清空屏幕
left++;
right--;
}
printf("%s\n", arr2);
return 0;
}