[编程入门]自定义函数之字符串反转

解题技巧：利用输入的实际字符串，进行赋值循环操作

参考代码:

#include<stdio.h>

#include<string.h>

int main()

    {

        char str1[50]={0};

        char str[50]={0};

        int i,num;

        gets(str);                                                                //gets()是字符串的输入

        num=strlen(str);                                                    //计算实际字符长度

    for(i=0;i<num;i++)

    {

        str1[i]=str[num-1-i];                                               //nun-1是减去空字符

    }

        printf("%s",str1);                                                    //%s是字符串的输出

        return 0;

    }