题解 | 凯撒解密
凯撒解密
https://www.nowcoder.com/practice/42c2f0c1351e4a6689ff64eddaf97a37
class Solution {
public:
string decodeWangzai(string password, int n) {
for(char& ch:password)
ch=(ch-'a'+26-n%26)%26+'a';
return password;
}
};