题解 | 凯撒加密
凯撒加密
https://www.nowcoder.com/practice/006b7917d3784371a43cfbae01a9313d
#include <iostream>
#include <string>
using namespace std;
int main() {
int n; cin >> n;
string s; cin >> s;
for(unsigned char ch : s) { // 防溢出
ch -= 'a';
ch += n;
ch %= 26;
ch += 'a';
cout << (char)ch;
}
return 0;
}
