C语言程序设计教程（第三版）课后习题9.10 （C语言代码）

解题思路:

注意事项:

参考代码:

#include<stdio.h>

#include<string.h>

int main()

{

        char a[1000];

        int s,i;

        gets(a);

        s=strlen(a);

        for(i=0;i<s;i++)

        {

                if(a[i]>='a'&&a[i]<'z')                             //先不考虑z的情况 a-z之间都向后一个；                               

                {

                        a[i]++;

                }

                if(a[i]=='z')                                            //z直接变为a

                {

                        a[i]='a';

                }

                printf("%c",a[i]);

        }

return 0;

}