字符由两边向中间跳转

#include <stdio.h>
#include <windows.h> 
#include <stdlib.h>
int main()

{
int left=0,right;

char arr1[]="welcome to bit";
char arr2[]="##############";
right = strlen(arr1)-1;   //计算字符长度
while(left<=right)
{
arr2[right] = arr1[right];  //将数组1右的值赋给数组2右值
arr2[left] = arr1[left];     //将数组1左的值赋给数组2左值
printf("%s\n",arr2);    // 输出此值
Sleep(1000);       //延时1s
system("cls");  //清空屏幕

left++;
right--;
}
printf("%s\n",arr2);
return 0;
}