結果
| 問題 |
No.430 文字列検索
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-08-24 16:08:19 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 9 ms / 2,000 ms |
| コード長 | 5,840 bytes |
| コンパイル時間 | 3,885 ms |
| コンパイル使用メモリ | 189,644 KB |
| 最終ジャッジ日時 | 2025-01-24 01:45:50 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 14 |
ソースコード
#include <iostream>
#include <algorithm>
#include <utility>
#include <string>
#include <vector>
#include <set>
#include <stack>
#include <queue>
#include <map>
#include <math.h>
#include <string.h>
#include <iomanip>
#include <numeric>
#include <cstdlib>
#include <cstdint>
#include <cmath>
#include <functional>
#include <limits>
#include <cassert>
#include <bitset>
#include <chrono>
#include <random>
#include <memory>
#include <atcoder/all>
/* macro */
#define rep(i, a, n) for (int i = (int)(a); i < (int)(n); i++)
#define rrep(i, a, n) for (int i = ((int)(n-1)); i >= (int)(a); i--)
#define Rep(i, a, n) for (i64 i = (i64)(a); i< (i64)(n); i++)
#define RRep(i, a, n) for (i64 i = ((i64)(n-i64(1))); i>=(i64)(a); i--)
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define Bit(n) (1LL<<(n))
/* macro end */
/* template */
namespace ebi {
#ifdef LOCAL
#define debug(...) \
std::cerr << "LINE: " << __LINE__ << " [" << #__VA_ARGS__ << "]:", \
debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif
void debug_out() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void debug_out(Head h, Tail... t) {
std::cerr << " " << h;
if (sizeof...(t) > 0) std::cout << " :";
debug_out(t...);
}
template <typename T1, typename T2>
std::ostream& operator<<(std::ostream& os, std::pair<T1, T2> pa) {
return os << pa.first << " " << pa.second;
}
template <typename T>
std::ostream& operator<<(std::ostream& os, std::vector<T> vec) {
for (std::size_t i = 0; i < vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : " ");
return os;
}
std::ostream& operator<<(std::ostream& os, atcoder::modint1000000007 a){
return os << a.val();
}
std::ostream& operator<<(std::ostream& os, atcoder::modint998244353 a){
return os << a.val();
}
using size_t = std::size_t;
using i64 = long long;
using u64 = unsigned long long;
template<class T> void fill(std::vector<T> &v) { for(T &e: v) std::cin >> e; }
template<class T>
struct Edge {
int to;
T cost;
Edge(int to, T cost) : to(to), cost(cost) { }
};
template<class T>
using Graph = std::vector<std::vector<Edge<T>>>;
using graph = std::vector<std::vector<int>>;
template <class T>
inline bool chmin(T &a, T b) {
if (a > b){
a = b;
return true;
}
return false;
}
template <class T>
inline bool chmax(T &a, T b) {
if (a < b){
a = b;
return true;
}
return false;
}
template <class T>
T gcd(T a, T b){
if( b==0 ) return a;
else return gcd(b, a%b);
}
template <class T>
T lcm(T a, T b) {
return (a*b)/gcd(a,b);
}
template<class T>
T pow(T x, i64 n) {
T res = 1;
while(n>0){
if(n&1) res = res *x;
x = x*x;
n>>=1;
}
return res;
}
template<class T>
T mod_pow(T x, i64 n, i64 mod) {
T res = 1;
while(n > 0) {
if(n & 1) res = (res * x)%mod;
x = (x*x)%mod;
n >>= 1;
}
return res;
}
template<class T>
T scan() {
T val;
std::cin >> val;
return val;
}
constexpr i64 LNF = std::numeric_limits<i64>::max()/4;
constexpr int INF = std::numeric_limits<int>::max()/4;
const long double PI = acos(-1);
const std::vector<int> dy = {1,0,-1,0,1,1,-1,-1};
const std::vector<int> dx = {0,1,0,-1,1,-1,1,-1};
}
/* template end */
namespace ebi {
namespace internal {
template<int char_size>
struct trie_node {
int common;
int nxt[char_size];
std::vector<int> accept;
trie_node() : common(0) {
memset(nxt, -1, sizeof(nxt));
}
};
}
template<int char_size, int margin>
struct trie {
private:
public:
trie() {
nodes.emplace_back(Node());
}
void add(const std::string &str) {
int idx = 0;
for(const auto &c: str) {
int val = c - margin;
if(nodes[idx].nxt[val] < 0) {
nodes[idx].nxt[val] = int(nodes.size());
nodes.emplace_back(Node());
}
idx = nodes[idx].nxt[val];
nodes[idx].common++;
}
nodes[idx].accept.emplace_back(nodes[0].common++);
}
template<class F>
void query(const std::string &str, int start, F func) const {
int idx = 0;
for(int i = start; i < int(str.size()); ++i) {
int val = str[i] - margin;
int nxt = nodes[idx].nxt[val];
if(nxt < 0) {
return;
}
idx = nxt;
for(const auto id: nodes[idx].accept) {
func(id);
}
}
return;
}
bool search(const std::string &str, int start, bool prefix = false) const {
int idx = 0;
for(int i = start; i < int(str.size()); ++i) {
int val = str[i] - margin;
int nxt = nodes[idx].nxt[val];
if(nxt < 0) {
return -1;
}
idx = nxt;
}
return prefix ? true : (nodes[idx].accept.size() > 0);
}
int size() const {
return int(nodes.size());
}
private:
using Node = internal::trie_node<char_size>;
std::vector<Node> nodes;
};
}
namespace ebi {
using ld = long double;
using mint = atcoder::modint998244353;
void main_() {
std::string s;
int m;
std::cin >> s >> m;
trie<26, 'A'> tri;
rep(i,0,m) {
std::string c;
std::cin >> c;
tri.add(c);
}
int n = s.size();
int ans = 0;
rep(i,0,n) {
tri.query(s, i, [&](int id) -> void { ans++; return; });
}
std::cout << ans << std::endl;
}
}
int main() {
std::cout << std::fixed << std::setprecision(15);
std::cin.tie(nullptr);
std::ios::sync_with_stdio(false);
int t = 1;
while(t--) {
ebi::main_();
}
return 0;
}