#include #include #define rep(i,n) for(int i=0;i vi; typedef vector vl; typedef vector> vvi; typedef vector> vvl; typedef long double ld; typedef pair P; ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;} template ostream& operator<<(ostream& os, const static_modint& a) {os << a.val(); return os;} template ostream& operator<<(ostream& os, const dynamic_modint& a) {os << a.val(); return os;} template istream& operator>>(istream& is, vector& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;} template ostream& operator<<(ostream& os, const pair& p){os << p.first << ' ' << p.second; return os;} template ostream& operator<<(ostream& os, const vector& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;} template ostream& operator<<(ostream& os, const vector>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;} template void chmin(T& a, T b){a = min(a, b);} template void chmax(T& a, T b){a = max(a, b);} struct Trie{ using MP = unordered_map; vector to; vector cnt; vector> list; Trie(int l) : to(1), cnt(1) { list.resize(l + 1); list[0].insert(0); } int add(const string& s) { int v = 0; int level = 0; for(char c : s){ if(!to[v].count(c)){ to[v][c] = to.size(); to.push_back(MP()); cnt.push_back(0); } v = to[v][c]; cnt[v]++; level++; list[level].insert(v); } return v; } int find(const string& s){ int v = 0; for(char c : s){ if(!to[v].count(c)) return 0; v = to[v][c]; } return cnt[v]; } void dfs(int a1, int b1){ for(auto [c, a2] : to[a1]){ if(!to[b1].count(c)){ to[b1][c] = to.size(); to.push_back(MP()); cnt.push_back(0); } int b2 = to[b1][c]; dfs(a2, b2); } cnt[b1] += cnt[a1]; cnt[a1] = 0; }; void merge(int k, char c, char d){ for(int v : list[k]){ if(!to[v].count(c)) continue; if(to[v].count(c) && !to[v].count(d)){ to[v][d] = to[v][c]; to[v].erase(c); continue; } if(to[v].count(c) && to[v].count(d)){ // merge naively // TODO: merge-tech int a = to[v][c]; int b = to[v][d]; if(cnt[a] <= cnt[b]){ dfs(a, b); to[v].erase(c); }else{ dfs(b, a); to[v][d] = to[v][c]; to[v].erase(c); } continue; } } } }; int main(){ int n, l, q; cin >> n >> l >> q; vector s(n); cin >> s; Trie trie(l); rep(i, n) trie.add(s[i]); rep(_, q){ int t; cin >> t; if(t == 1){ int k; char c, d; cin >> k >> c >> d; trie.merge(k - 1, c, d); } if(t == 2){ string t; cin >> t; cout << trie.find(t) << "\n"; } } return 0; }