期末刷oj——泡泡

#include<iostream>#include <cstdio>using namespace std;int main(){    char str[81];   gets(str);   int i=0;   while(str[i]!='\0')   {        if((str[i]>='a'&&str[i]<='z')||(str[i]>='A'&&str[i]<='Z'))        {            str[i]=str[i]+4;            if((str[i]>'Z'&&str[i]<='Z'+4)||(str[i]>'z'&&str[i]<'z'+4))                str[i]=str[i]-26;        }        i++;   }   puts(str);    return 0;}

运行结果：