1031 查验身份证 （15 分)

#include <iostream>
#include <string>
using namespace std;
int main() {int n, i, sum = 0, cnt = 0;  // 这是为零很重要string s;int w[17] = { 7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2 };char z[11] = { '1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2' };cin >> n;getchar();for (int j = 0; j < n; j++) {  // 用for,  while过不去sum = 0;getline(cin, s);for (i = 0; i < 17 && s[i] >= '0' && s[i] <= '9'; i++) {sum += (s[i] - '0') * w[i];}if (i == 17 && z[sum % 11] == s[17])cnt++;elsecout << s << endl;}if (cnt == n)cout << "All passed" << endl;return 0;
}