说错了，样例能过
by elong123 @ 2024-04-06 21:29:53
```cpp
#include<iostream>
#include<string>
using namespace std;
int n;
string s;
int main(){
cin >> n >> s;
for(int i = 0;i < s.size();i++){
if(s[i] + n > 122){
s[i] -= 26;
}
s[i] += n;
}
cout << s;
return 0;
}
```
by Nian_Gao @ 2024-04-06 21:30:48
因为你如果是s[i]==y,然后n=2,那么它就不会输出a,而是ascll码为z+1的字符。
by malinhao45 @ 2024-04-25 20:47:46
```
//p1914凯撒密码
#include<bits/stdc++.h>
using namespace std;
int main(){
string s;
int n;
cin >> n >> s;
if(n == 0) cout << s;
else
for(int i =0; i < s.size();i++){
if(s[i]+n >= 'a' && s[i]+n <= 'z')
s[i] = s[i] + n;
else
s[i] = s[i] - 26 + n;
cout << s[i];
}
return 0;
}
```
by malinhao45 @ 2024-04-25 20:49:43
[AC记录](https://www.luogu.com.cn/record/157036032)
by malinhao45 @ 2024-04-25 20:51:58