結果

問題 No.430 文字列検索
ユーザー siganaisiganai
提出日時 2024-07-26 18:46:57
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 10 ms / 2,000 ms
コード長 8,232 bytes
コンパイル時間 2,511 ms
コンパイル使用メモリ 216,396 KB
実行使用メモリ 8,160 KB
最終ジャッジ日時 2024-11-10 01:11:53
合計ジャッジ時間 2,695 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 4
other AC * 14
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#line 1 "main.cpp"
#include<bits/stdc++.h>
//#pragma GCC target("avx,avx2")
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
#ifdef LOCAL
#include <debug.hpp>
#define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (static_cast<void>(0))
#endif
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pll = pair<ll,ll>;
using pii = pair<int,int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vul = vector<ull>;
using vpii = vector<pii>;
using vvpii = vector<vpii>;
using vpll = vector<pll>;
using vs = vector<string>;
template<class T> using pq = priority_queue<T,vector<T>, greater<T>>;
#define overload4(_1, _2, _3, _4, name, ...) name
#define overload3(a,b,c,name,...) name
#define rep1(n) for (ll UNUSED_NUMBER = 0; UNUSED_NUMBER < (n); ++UNUSED_NUMBER)
#define rep2(i, n) for (ll i = 0; i < (n); ++i)
#define rep3(i, a, b) for (ll i = (a); i < (b); ++i)
#define rep4(i, a, b, c) for (ll i = (a); i < (b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define rrep1(n) for(ll i = (n) - 1;i >= 0;i--)
#define rrep2(i,n) for(ll i = (n) - 1;i >= 0;i--)
#define rrep3(i,a,b) for(ll i = (b) - 1;i >= (a);i--)
#define rrep4(i,a,b,c) for(ll i = (a) + ((b)-(a)-1) / (c) * (c);i >= (a);i -= c)
#define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__)
#define all1(i) begin(i) , end(i)
#define all2(i,a) begin(i) , begin(i) + a
#define all3(i,a,b) begin(i) + a , begin(i) + b
#define all(...) overload3(__VA_ARGS__, all3, all2, all1)(__VA_ARGS__)
#define sum(...) accumulate(all(__VA_ARGS__),0LL)
template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; }
template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; }
template<class T> auto min(const T& a){return *min_element(all(a));}
template<class T> auto max(const T& a){return *max_element(all(a));}
template<class... Ts> void in(Ts&... t);
#define INT(...) int __VA_ARGS__; in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__; in(__VA_ARGS__)
#define STR(...) string __VA_ARGS__; in(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__; in(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__; in(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__; in(__VA_ARGS__)
#define VEC(type, name, size) vector<type> name(size); in(name)
#define VV(type, name, h, w) vector<vector<type>> name(h, vector<type>(w)); in(name)
ll intpow(ll a, ll b){ll ans = 1; while(b){if(b & 1) ans *= a; a *= a; b /= 2;} return ans;}
ll modpow(ll a, ll b, ll p){ ll ans = 1; a %= p;if(a < 0) a += p;while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }
bool is_clamp(ll val,ll low,ll high) {return low <= val && val < high;}
void Yes() {cout << "Yes\n";return;}
void No() {cout << "No\n";return;}
void YES() {cout << "YES\n";return;}
void NO() {cout << "NO\n";return;}
template <typename T>
T floor(T a, T b) {return a / b - (a % b && (a ^ b) < 0);}
template <typename T>
T ceil(T x, T y) {return floor(x + y - 1, y);}
template <typename T>
T bmod(T x, T y) {return x - y * floor(x, y);}
template <typename T>
pair<T, T> divmod(T x, T y) {T q = floor(x, y);return {q, x - q * y};}
namespace IO{
#define VOID(a) decltype(void(a))
struct setting{ setting(){cin.tie(nullptr); ios::sync_with_stdio(false);fixed(cout); cout.precision(15);}} setting;
template<int I> struct P : P<I-1>{};
template<> struct P<0>{};
template<class T> void i(T& t){ i(t, P<3>{}); }
void i(vector<bool>::reference t, P<3>){ int a; i(a); t = a; }
template<class T> auto i(T& t, P<2>) -> VOID(cin >> t){ cin >> t; }
template<class T> auto i(T& t, P<1>) -> VOID(begin(t)){ for(auto&& x : t) i(x); }
template<class T, size_t... idx> void ituple(T& t, index_sequence<idx...>){in(get<idx>(t)...);}
template<class T> auto i(T& t, P<0>) -> VOID(tuple_size<T>{}){ituple(t, make_index_sequence<tuple_size<T>::value>{});}
#undef VOID
}
#define unpack(a) (void)initializer_list<int>{(a, 0)...}
template<class... Ts> void in(Ts&... t){ unpack(IO :: i(t)); }
#undef unpack
constexpr long double PI = 3.141592653589793238462643383279L;
template <class F> struct REC {
F f;
REC(F &&f_) : f(forward<F>(f_)) {}
template <class... Args> auto operator()(Args &&...args) const { return f(*this, forward<Args>(args)...); }};
constexpr int mod = 998244353;
//constexpr int mod = 1000000007;
#line 2 "library/string/trie.hpp"
template <size_t X = 26,char margin = 'a'>
struct Trie {
struct Node {
array<int, X> nxt;
vector<int> idxs;
int idx;
char key;
Node(char c): idx(-1),key(c) {fill(nxt.begin(),nxt.end(),-1);}
};
vector<Node> st;
Trie(char c = '$') {st.emplace_back(c);}
inline int &next(int i,int j) {return st[i].nxt[j];}
int add(const string &s,int x) {
int pos = 0;
for(int i = 0;i < (int)s.size();i++) {
int k = s[i] - margin;
if(~next(pos,k)) {
pos = next(pos,k);
continue;
}
int npos = st.size();
next(pos,k) = npos;
st.emplace_back(s[i]);
pos = npos;
}
st[pos].idx = x;
st[pos].idxs.emplace_back(x);
return pos;
}
int find(const string &s) {
int pos = 0;
for(int i = 0;i < (int)s.size();i++) {
int k = s[i] - margin;
if(next(pos,k) < 0) return -1;
pos = next(pos,k);
}
return pos;
}
int move(int pos,char c) {
assert(pos < (int)st.size());
return pos < 0 ? -1:next(pos,c - margin);
}
int size() const {return st.size();}
int idx(int pos) {return pos < 0 ? -1:st[pos].idx;}
vector<int> idxs(int pos) { return pos < 0 ? vector<int>() : st[pos].idxs; }
};
#line 3 "library/string/AhoCorasick.hpp"
template <size_t X = 26, char margin = 'a'>
struct AhoCorasick : Trie<X + 1, margin> {
using TRIE = Trie<X + 1, margin>;
using TRIE::next;
using TRIE::st;
using TRIE::add;
using TRIE::TRIE;
vector<int> cnt;
vector<int> last;
vector<int> BFS;
vector<int> suffix_link;
void add(const string &s) {
int pos = add(s,(int)last.size());
last.emplace_back(pos);
}
void build() {
int n = st.size();
cnt.resize(n);
suffix_link.resize(n);
for (int i = 0; i < n; i++) {
cnt[i] = (int)st[i].idxs.size();
}
queue<int> que;
for (int i = 0; i < (int)X; i++) {
if (~next(0, i)) {
next(next(0, i), X) = 0;
que.emplace(next(0, i));
} else {
next(0, i) = 0;
}
}
BFS.clear();
while (!que.empty()) {
auto &x = st[que.front()];
int fail = x.nxt[X];
cnt[que.front()] += cnt[fail];
que.pop();
for (int i = 0; i < (int)X; i++) {
int &nx = x.nxt[i];
if (nx < 0) {
nx = next(fail, i);
continue;
}
BFS.emplace_back(nx);
suffix_link[nx] = next(fail,i);
que.emplace(nx);
next(nx, X) = next(fail, i);
}
}
reverse(BFS.begin(),BFS.end());
}
vector<int> match(string s,int heavy = true) {
vector<int> res;
if(heavy) {
vector<int> visit_cnt(TRIE::size());
int pos = 0;
for(auto &c:s) {
pos = next(pos, c - margin);
visit_cnt[pos]++;
}
res.assign(last.size(),0);
for(auto &x:BFS) {
visit_cnt[suffix_link[x]] += visit_cnt[x];
}
for(int i = 0,size = last.size();i < size;++i) {
res[i] = visit_cnt[last[i]];
}
}
else {
res.assign(1,0);
int pos = 0;
for(auto &c:s) {
pos = next(pos, c - margin);
res[0] += cnt[pos];
}
}
return res;
}
int count(int pos) { return cnt[pos]; }
};
#line 99 "main.cpp"
int main() {
STR(s);
AhoCorasick<26,'A'> aho;
INT(q);
vs T(q);
rep(i,q) {
STR(t);
aho.add(t);
T[i] = t;
}
aho.build();
vi ret = aho.match(s,false);
cout << ret[0] << '\n';
}
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