#include<iostream> using namespace std; int main(){/** int a; char ch1; cin>>a; ch1=a; cout<<ch1; char ch1,ch2; cin>>ch1>>ch2; cout<<ch1+ch2; // **/字符做加法，是对应ASCII码相加 char ch1,ch2; cin>>ch1; ch2=((ch1-65)+2)%26+65; cout<<ch2; return 0; }