题解

#include<iostream>
#include<cstring>
#include<stdio.h>
using namespace std;
char a[10005];
int main(){
	gets(a);
	int len = strlen(a);
	for(int i=0;i<len;i++){
		if((a[i]>='A' && a[i]<'Z') || (a[i]>='a' &&a[i]<'z'))
		{
			cout<<char(a[i]+1);
		}
		else if(a[i]=='Z')
		{
			cout<<char(a[i]-25);
		} 
		else if(a[i]=='z') 
		{
			cout<<char(a[i]-25);
		}
		else if(a[i]==' ') 
		{
			cout<<" ";
		}
	}
	return 0;
}