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

int main() {
	int n, allPassed = true, 
	weight[17]{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2};
	char M[11]{‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘};
	cin >> n;

	for(int i = 0; i < n; i++) {
		string tmp;
		int skip = false;
		cin >> tmp;
		
		//判断是否全部为数字
		for(int j = 0; j < 17; j++){
			if(tmp[j] < ‘0‘ || ‘9‘ < tmp[j]){
				allPassed = false;
				skip = true;
				cout << tmp << endl;
				break;
			}
		}
		if(skip) continue;
		
		// 加权获取和
		int sum = 0;
		for(int j = 0; j < 17; j++){
			sum += (tmp[j] - ‘0‘) * weight[j]; 
		} 
		
		// 获取M
		char m = M[sum % 11];  
		
		// 判断校验码
		if(m !=  tmp[17]){
			allPassed = false;
			cout << tmp << endl;
		}
	}
	if(allPassed) cout << "All passed";
}

求和的时候写成 = 了，应该是 +=。

string match = "10X98765432";
char M[11]{‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘};
因为 char[] == string，所以校验码的数组可以改写成上面的字符串。
参考代码

PAT (Basic Level) 1031 查验身份证 (15 point(s))