洛谷P1914小书童--密码

题目传送门

代码:

#include <bits/stdc++.h>

using namespace std;
const int maxn=1e6+10;
char ch[maxn];

int main()
{
    int n,i;
    cin>>n;
    string str;
    cin>>str;
    for(i=0; i<str.length(); i++)
    {
        str[i]=(str[i]-'a'+n)%26+'a';
    }
    cout<<str<<endl;
    return 0;
}

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转载自blog.csdn.net/qq_38851184/article/details/108736261