提交时间:2024-01-26 09:38:40
运行 ID: 128781
#include<iostream> using namespace std; int main(){ char c; while((c=getchar())!='\n'){ int b=int(c); if(b>=65&&b<=90){ cout<<char(b+4); }else if(b>=97&&b<=122){ cout<<char(b+4); }else{ cout<<c; } } }