题目链接：https://pintia.cn/problem-sets/994805260223102976/problems/994805290334011392

题解：

#include <iostream>
#include<cstdio>
#include<string>
using namespace std;

int main() {
    int weigth[] = { 7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2 };
    int n, count = 0;
    cin >> n;
    getchar();
    string *str = new string[n];
    for (int i = 0; i < n; i++)
        getline(cin, str[i]);
    for (int i = 0; i < n; i++) {
        int Sum_weigth = 0;
        char M;
        for (int j = 0; j < 17; j++)
            Sum_weigth = Sum_weigth + (str[i][j] - 48)*weigth[j];
        int Z = Sum_weigth % 11;
        switch (Z) {
        case 0:
            M = '1'; break;
        case 1:
            M = '0'; break;
        case 2:
            M = 'X'; break;
        case 3:
            M = '9'; break;
        case 4:
            M = '8'; break;
        case 5:
            M = '7'; break;
        case 6:
            M = '6'; break;
        case 7:
            M = '5'; break;
        case 8:
            M = '4'; break;
        case 9:
            M = '3'; break;
        default:
            M = '2'; break;
        }
        if (str[i][17] != M) cout << str[i] << endl;
        else count++;
    }
    if (count == n) cout << "All passed";
    return 0;
}