暴力 ， 但80

#include<bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin >> s;
    int cnt = 0 , a = s.size() , jojo = (s[0] - '0') * 1 + (s[2] - '0') * 2 + (s[3] - '0') * 3 + (s[4] - '0')* 4 + (s[6] - '0') * 5 + (s[7] - '0') * 6 + (s[8] - '0') * 7 + (s[9] - '0') * 8 + (s[10] - '0') * 9;
    if(jojo % 11 == s[12] - '0') {
        cout << "Right";
        return 0;
    }
    if(jojo % 11 != 10) cout << s[0] << s[1] << s[2] << s[3] << s[4] << s[5] << s[6] << s[7] << s[8] << s[9] << s[10] << s[11] << jojo % 11;
    else  if(jojo % 11 == 10) cout << s[0] << s[1] << s[2] << s[3] << s[4] << s[5] << s[6] << s[7] << s[8] << s[9] << s[10] << s[11] << 'X';
    return 0;
} 

只事想暴力