编写代码，演示多个字符从两端移动，向中间汇聚

@TOC

运行代码：

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>
int main(void)
{
    //4.编写代码，演示多个字符从两端移动，向中间汇聚
    char arr1[] = "welcome to bit";
    char arr2[] = "##############";
    int left = 0;
    int right = sizeof(arr1)/sizeof(arr1[0]) - 2;
    while (left <= right)
    {
        arr2[left] = arr1[left];
        arr2[right] = arr1[right];
        printf("%s\n", arr2);
        Sleep(100);//S要大写
        left++;
        right--;
    }
    return 0;
}

解释：sizeof(arr1)/sizeof(arr1[0]) 是表示数组含元素的个数！

运行结果截图：