蒟蒻80分C++求助！

Algorithm_ZRF @ 2023-08-29 17:21:25

#include <bits/stdc++.h>
using namespace std;
string a;
int n, b, c;
void shu_ru() {
    cin >> n >> a;
}

void ji_suan() {
    b = a.size();
    n = n % 26;
    for (int i = 0; i < b; ++i) {
        if (n > (int)a[i]) {
            c = (int)a[i];
        }
    }
    n -= c;
    for (int i = 0; i < b; ++i) {
        a[i] += n;
    }
}

void shu_chu() {
    cout << a;
}

int main() {
    shu_ru();
    ji_suan();
    shu_chu();
}

by dthythxth_Huge_Brain @ 2023-08-29 17:35:38

@AlgorithmArtist hack：

25
abcxyz

zabwxy

by dthythxth_Huge_Brain @ 2023-08-29 17:36:45

你的输出：

z{|憭

by Algorithm_ZRF @ 2023-08-29 17:37:21

@Huge_Brain 乱码了,为什么会这样？

by dthythxth_Huge_Brain @ 2023-08-29 17:43:21

@AlgorithmArtist 实际上你可以直接一个式子解决的：(a[i]-'a'+n)%26+'a'

by Algorithm_ZRF @ 2023-08-29 17:43:54

@Huge_Brain ？

by dthythxth_Huge_Brain @ 2023-08-29 17:44:25

#include<bits/stdc++.h>
using namespace std;
#define int long long
string str;
signed main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    int n;
    cin>>n;
    cin>>str;
    for(int i=0;i<str.size();i++){
        cout<<char((str[i]-'a'+n)%26+'a');
    }
    return 0;
}

by dthythxth_Huge_Brain @ 2023-08-29 17:45:29

@AlgorithmArtist

by Algorithm_ZRF @ 2023-08-29 21:59:43

@Huge_Brain thanks