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- // clang-format off
- #define _CRT_SECURE_NO_WARNINGS
- #include <iostream>
- #include <iomanip>
- #include <bitset>
- #include <vector>
- #include <algorithm>
- #include <random>
- #include <map>
- #include <string>
- #include <set>
- #include <deque>
- #include <string>
- #include <cassert>
- using namespace std;
- const int N = 2e5 + 7;
- struct Word {
- string s;
- int cnt[26];
- void init() {
- for (int i = 0; i < 26; i++) {
- cnt[i] = 0;
- }
- for (auto u : s) {
- cnt[u - 'a'] ++;
- }
- }
- };
- set<int> poss_masks;
- vector<int> sorted;
- int GetInd(int mask) {
- if (*(lower_bound(sorted.begin(), sorted.end(), mask)) != mask) {
- return -1;
- }
- return lower_bound(sorted.begin(), sorted.end(), mask) - sorted.begin();
- }
- bool can(Word& a, Word& b) {
- for (int i = 0; i < 26; i++) {
- if (a.cnt[i] > b.cnt[i]) {
- return 0;
- }
- }
- return 1;
- }
- vector<string> s, answ;
- vector<Word> dict[N];
- int n;
- signed main() {
- #ifdef _DEBUG
- freopen("input.txt", "r", stdin);
- #else
- std::ios::sync_with_stdio(false);
- cin.tie(0);
- #endif
- cin >> n;
- s.resize(n);
- for (int i = 0; i < n; i++) {
- cin >> s[i];
- int mask = 0;
- for (auto u : s[i]) {
- mask |= (1 << (u - '0'));
- }
- poss_masks.insert(mask);
- }
- for (auto u : poss_masks) {
- sorted.push_back(u);
- }
- for(int i = 0; i < n; i++){
- int mask = 0;
- for (auto u : s[i]) {
- mask |= (1 << (u - '0'));
- }
- int ind = GetInd(mask);
- Word kek;
- kek.s = s[i];
- kek.init();
- dict[ind].push_back(kek);
- }
- int q;
- cin >> q;
- for (int I = 0; I < q; I++) {
- answ.clear();
- string s;
- cin >> s;
- int mask = 0;
- for (auto u : s) {
- mask |= (1 << (u - '0'));
- }
- Word kek;
- kek.s = s;
- kek.init();
- for (int msk2 = mask; msk2 > 0; msk2--, msk2 &= mask) {
- int ind = GetInd(msk2);
- if (ind == -1) {
- continue;
- }
- for (auto& w : dict[ind]) {
- if (can(w, kek)) {
- answ.push_back(w.s);
- }
- }
- }
- sort(answ.begin(), answ.end());
- cout << answ.size() << "\n";
- for (auto u : answ) {
- cout << u << "\n";
- }
- }
- }
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