結果
問題 | No.430 文字列検索 |
ユーザー | Coki628 |
提出日時 | 2021-01-22 16:19:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 14 ms / 2,000 ms |
コード長 | 8,234 bytes |
コンパイル時間 | 5,432 ms |
コンパイル使用メモリ | 222,656 KB |
実行使用メモリ | 7,668 KB |
最終ジャッジ日時 | 2024-11-10 00:52:45 |
合計ジャッジ時間 | 3,591 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 14 ms
7,668 KB |
testcase_02 | AC | 5 ms
5,248 KB |
testcase_03 | AC | 5 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 9 ms
5,596 KB |
testcase_12 | AC | 9 ms
5,624 KB |
testcase_13 | AC | 10 ms
5,752 KB |
testcase_14 | AC | 8 ms
5,564 KB |
testcase_15 | AC | 7 ms
5,464 KB |
testcase_16 | AC | 6 ms
5,596 KB |
testcase_17 | AC | 7 ms
5,588 KB |
ソースコード
// #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pii = pair<int, int>; using vvl = vector<vector<ll>>; using vvi = vector<vector<int>>; using vvpll = vector<vector<pll>>; #define rep(i, a, b) for (ll i=(a); i<(b); i++) #define rrep(i, a, b) for (ll i=(a); i>(b); i--) #define pb push_back #define tostr to_string #define ALL(A) A.begin(), A.end() #define elif else if // constexpr ll INF = LONG_LONG_MAX; constexpr ll INF = 1e18; constexpr ll MOD = 1000000007; const string digits = "0123456789"; const string ascii_lowercase = "abcdefghijklmnopqrstuvwxyz"; const string ascii_uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const string ascii_letters = ascii_lowercase + ascii_uppercase; template<typename T> vector<vector<T>> list2d(int N, int M, T init) { return vector<vector<T>>(N, vector<T>(M, init)); } template<typename T> vector<vector<vector<T>>> list3d(int N, int M, int L, T init) { return vector<vector<vector<T>>>(N, vector<vector<T>>(M, vector<T>(L, init))); } template<typename T> vector<vector<vector<vector<T>>>> list4d(int N, int M, int L, int O, T init) { return vector<vector<vector<vector<T>>>>(N, vector<vector<vector<T>>>(M, vector<vector<T>>(L, vector<T>(O, init)))); } vector<ll> LIST(ll N) { vector<ll> A(N); rep(i, 0, N) cin >> A[i]; return A; } void print(ld out) { cout << fixed << setprecision(15) << out << '\n'; } void print(double out) { cout << fixed << setprecision(15) << out << '\n'; } template<typename T> void print(T out) { cout << out << '\n'; } template<typename T1, typename T2> void print(pair<T1, T2> out) { cout << out.first << ' ' << out.second << '\n'; } template<typename T> void print(vector<T> A) { rep(i, 0, A.size()) { cout << A[i]; cout << (i == A.size()-1 ? '\n' : ' '); } } template<typename T> void print(set<T> S) { vector<T> A(S.begin(), S.end()); print(A); } void Yes() { print("Yes"); } void No() { print("No"); } void YES() { print("YES"); } void NO() { print("NO"); } ll floor(ll a, ll b) { if (a < 0) { return (a-b+1) / b; } else { return a / b; } } ll ceil(ll a, ll b) { if (a >= 0) { return (a+b-1) / b; } else { return a / b; } } pll divmod(ll a, ll b) { ll d = a / b; ll m = a % b; return {d, m}; } template<typename T> bool chmax(T &x, T y) { return (y > x) ? x = y, true : false; } template<typename T> bool chmin(T &x, T y) { return (y < x) ? x = y, true : false; } template<typename T> T sum(vector<T> A) { T res = 0; for (T a: A) res += a; return res; } template<typename T> T max(vector<T> A) { return *max_element(ALL(A)); } template<typename T> T min(vector<T> A) { return *min_element(ALL(A)); } ll toint(string s) { ll res = 0; for (char c : s) { res *= 10; res += (c - '0'); } return res; } int toint(char num) { return num - '0'; } char tochar(int num) { return '0' + num; } int ord(char c) { return (int)c; } char chr(int a) { return (char)a; } ll pow(ll x, ll n) { ll res = 1; rep(_, 0, n) res *= x; return res; } ll pow(ll x, ll n, int mod) { ll res = 1; while (n > 0) { if (n & 1) { res = (res * x) % mod; } x = (x * x) % mod; n >>= 1; } return res; } int popcount(ll S) { return __builtin_popcountll(S); } ll gcd(ll a, ll b) { return __gcd(a, b); } ll lcm(ll x, ll y) { return (x * y) / gcd(x, y); } template<typename T> int bisect_left(vector<T> &A, T val) { return lower_bound(ALL(A), val) - A.begin(); } template<typename T> int bisect_right(vector<T> &A, T val) { return upper_bound(ALL(A), val) - A.begin(); } template< int char_size > struct TrieNode { int nxt[char_size]; int exist; vector< int > accept; TrieNode() : exist(0) { memset(nxt, -1, sizeof(nxt)); } }; template< int char_size, int margin > struct Trie { using Node = TrieNode< char_size >; vector< Node > nodes; int root; Trie() : root(0) { nodes.push_back(Node()); } void update_direct(int node, int id) { nodes[node].accept.push_back(id); } void update_child(int node, int child, int id) { ++nodes[node].exist; } void add(const string &str, int str_index, int node_index, int id) { if(str_index == str.size()) { update_direct(node_index, id); } else { const int c = str[str_index] - margin; if(nodes[node_index].nxt[c] == -1) { nodes[node_index].nxt[c] = (int) nodes.size(); nodes.push_back(Node()); } add(str, str_index + 1, nodes[node_index].nxt[c], id); update_child(node_index, nodes[node_index].nxt[c], id); } } void add(const string &str, int id) { add(str, 0, 0, id); } void add(const string &str) { add(str, nodes[0].exist); } void query(const string &str, const function< void(int) > &f, int str_index, int node_index) { for(auto &idx : nodes[node_index].accept) f(idx); if(str_index == str.size()) { return; } else { const int c = str[str_index] - margin; if(nodes[node_index].nxt[c] == -1) return; query(str, f, str_index + 1, nodes[node_index].nxt[c]); } } void query(const string &str, const function< void(int) > &f) { query(str, f, 0, 0); } int count() const { return (nodes[0].exist); } int size() const { return ((int) nodes.size()); } }; template< int char_size, int margin > struct AhoCorasick : Trie< char_size + 1, margin > { using Trie< char_size + 1, margin >::Trie; const int FAIL = char_size; vector< int > correct; void build(bool heavy = true) { correct.resize(this->size()); for(int i = 0; i < this->size(); i++) { correct[i] = (int) this->nodes[i].accept.size(); } queue< int > que; for(int i = 0; i <= char_size; i++) { if(~this->nodes[0].nxt[i]) { this->nodes[this->nodes[0].nxt[i]].nxt[FAIL] = 0; que.emplace(this->nodes[0].nxt[i]); } else { this->nodes[0].nxt[i] = 0; } } while(!que.empty()) { auto &now = this->nodes[que.front()]; int fail = now.nxt[FAIL]; correct[que.front()] += correct[fail]; que.pop(); for(int i = 0; i < char_size; i++) { if(~now.nxt[i]) { this->nodes[now.nxt[i]].nxt[FAIL] = this->nodes[fail].nxt[i]; if(heavy) { auto &u = this->nodes[now.nxt[i]].accept; auto &v = this->nodes[this->nodes[fail].nxt[i]].accept; vector< int > accept; set_union(begin(u), end(u), begin(v), end(v), back_inserter(accept)); u = accept; } que.emplace(now.nxt[i]); } else { now.nxt[i] = this->nodes[fail].nxt[i]; } } } } map< int, int > match(const string &str, int now = 0) { map< int, int > result; for(auto &c : str) { now = this->nodes[now].nxt[c - margin]; for(auto &v : this->nodes[now].accept) result[v] += 1; } return result; } pair< int64_t, int > move(const char &c, int now = 0) { now = this->nodes[now].nxt[c - margin]; return {correct[now], now}; } pair< int64_t, int > move(const string &str, int now = 0) { int64_t sum = 0; for(auto &c : str) { auto nxt = move(c, now); sum += nxt.first; now = nxt.second; } return {sum, now}; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); string S; cin >> S; ll N = S.size(); ll M; cin >> M; AhoCorasick<26, 'A'> aho; rep(i, 0, M) { string t; cin >> t; aho.add(t); } aho.build(); ll ans = 0, v = 0, cnt = 0; rep(i, 0, N) { tie(cnt, v) = aho.move(S[i], v); ans += cnt; } print(ans); return 0; }