python/TangDou/XiTi/1333.cpp

#include <bits/stdc++.h>

using namespace std;


int main() {
    char isbn[13];
    for (int i = 0; i < 13; i++) {
        cin >> isbn[i];
    }

    //前9位
    int sum = 0; //1,5,11跳过
    int _count = 0;
    for (int i = 0; i < 12; i++) {
        if (i == 1 || i == 5 || i == 11) {
            _count++;
            continue;
        }
        sum += (isbn[i] - '0') * (i + 1 - _count);
    }

    if (sum % 11 == 10 && isbn[12] == 'X') cout << "Right" << endl;
    else if (sum % 11 == isbn[12] - '0') cout << "Right" << endl;
    else {
        for (int i = 0; i < 12; i++) {
            cout << isbn[i];
        }
        cout << sum % 11 << endl;
    };
    return 0;
}