CSP登机牌条码202112-3

改思路了，这题真难写，后半部分看不懂，所以我决定只过它的一二测试点，拿40分

#include 
using namespace std;
 
int main() {
	int w, ss;
	cin >> w >> ss;
	string s;
	cin >> s;
	int op = 1;
	vector<int> ans;
	for (int i = 0; i < s.size(); i++) {
		if (isupper(s[i])) {
			if (op == 1) {
				ans.push_back(s[i] - 'A');
			}
			else if (op == 2) {
				op = 1;
				ans.push_back(28);
				ans.push_back(s[i] - 'A');
			}
			else {
				op = 1;
				ans.push_back(28);
				ans.push_back(28);
				ans.push_back(s[i] - 'A');
			}
		}
		else if (islower(s[i])) {
			if (op == 1) {
				op = 3;
				ans.push_back(27);
				ans.push_back(s[i] - 'a');
			}
			else if (op == 2) {
				op = 3;
				ans.push_back(27);
				ans.push_back(s[i] - 'a');
			}
			else {
				ans.push_back(s[i] - 'a');
			}
		}
		else {
			if (op == 1) {
				op = 2;
				ans.push_back(28);
				ans.push_back(s[i]-'0');
			}
			else if (op == 2) {
				ans.push_back(s[i] - '0');
			}
			else {
				op = 2;
				ans.push_back(28);
				ans.push_back(s[i] - '0');
			}
		}
	}
	int n = ans.size();
	if (n % 2 != 0)ans.push_back(29);
	//for (int i = 0; i < ans.size(); i++)cout << ans[i] << endl;
	vector<int> res;
	for (int i = 0; i < ans.size(); i += 2) {
		res.push_back(ans[i] * 30 + ans[i + 1]);
	}
	int m = res.size();
	int nn = m % w;
	nn = m - nn + w;
	cout << nn << endl;
	for (int i = 0; i < nn-1; i++) {
		if (i < res.size())
			cout << res[i] << endl;
		else
			cout << "900" << endl;
	}
	return 0;
}