#include<stdio.h>#include<string.h>void fun(char s[],int n,int k){char ch,*p;ch=*s;for(p=s;p<s+n-1;p++)*p=*(p+1);*(s+n-1)=ch;k--;if(k>0) fun(s,n,k);}void main(){char x[]="ABCDEFG";fun(x,strlen(x),3);puts(x);}