编写代码，演示多个字符从两端移动，向中间汇聚

#include<string.h>
#include<windows.h>
/* 编写代码，演示多个字符从两端移动，向中间汇聚*/
int main()
{
char str1[] = “welcome bit”;
char str2[] = “***********”;
int left = 0;
int right = strlen(str1) - 1;
while (left<=right)
{
Sleep(1000),
str2[left] = str1[left];
str2[right] = str1[right];
left++;
right–;
printf("%s\n",str2);
}
return 0;
}