Raccoon_Cookies @ 2023-09-14 22:44:44

#include<bits/stdc++.h>
using namespace std;

int main()
{
    string ch;
    getline(cin,ch);
    int m=0;
    for(int i=0;i<ch.size();i++)
    {
        if(ch[i]!='-')
            m+=i*(ch[i]-'0');
    }
    m=m%11;
    if(m-1==ch[ch.size()-1]-'0')
    {
        cout<<"Right"<<endl;
        return 0;       
    }
    else
        ch[ch.size()-1]=m-1+'0';
    cout<<ch;
    return 0;
}

by Raccoon_Cookies @ 2023-09-14 22:45:24

一直输出right，连样例都没过

by Tachibana27 @ 2023-09-14 22:52:36

@Azure_qwq

m+=i*(ch[i]-'0');

第一位直接没了

by Raccoon_Cookies @ 2023-09-14 22:53:51

@xiaoluotongxue2012 那为啥我把每次m都输出还能对（）

by YUwenzhao @ 2023-09-24 12:23:21

ZHIJIESHANG```cpp

include <bits/stdc++.h>

using namespace std; char a[20]; int ans; int b[20]; int main() { int k=1; for (int i=1;i<=13;i++) { cin>>a[i]; if (a[i]!='-') { b[k]=a[i]-'0'; k++; } } for (int i=1;i<=9;i++) { ans+=b[i]*i; ans=ans%11; } char z; if (ans==10) z='X'; else z=char(ans+'0'); if (z==a[13]) cout<<"Right"; else { a[13]=z; for (int i=1;i<=13;i++) cout<<a[i]; } return 0; }