本题需要定义两个字符数组,定义和计算了字符串的开始和结束位置,用到了strlen计算字符串的长度。还用到了while循环,当左边界值left小于等于右边界值right时,循环进行,同时left和right同时更新。还用到了Sleep函数,循环每进行一次,等待一秒。
#include <stdio.h>
#include <string.h>
#include <windows.h>
int main()
{
char arr1[] = { "hello world!"};
char arr2[] = { "************" };
int left = 0;
int right = strlen(arr1) - 1;
printf("%s\n", arr2);
while (left <= right)
{
Sleep(1000);
arr2[left] = arr1[left];
arr2[right] = arr1[right];
left++;
right--;
printf("%s\n", arr2);
}
return 0;
}