結果
| 問題 |
No.430 文字列検索
|
| コンテスト | |
| ユーザー |
omochana2
|
| 提出日時 | 2019-04-20 19:31:52 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 513 ms / 2,000 ms |
| コード長 | 5,661 bytes |
| コンパイル時間 | 1,512 ms |
| コンパイル使用メモリ | 173,952 KB |
| 実行使用メモリ | 26,752 KB |
| 最終ジャッジ日時 | 2024-11-10 00:23:49 |
| 合計ジャッジ時間 | 4,797 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 <bits/stdc++.h>
#define ADD(a, b) a = (a + ll(b)) % mod
#define MUL(a, b) a = (a * ll(b)) % mod
#define MAX(a, b) a = max(a, b)
#define MIN(a, b) a = min(a, b)
#define rep(i, a, b) for(int i = int(a); i < int(b); i++)
#define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--)
#define all(a) (a).begin(), (a).end()
#define sz(v) (int)(v).size()
#define pb push_back
#define sec second
#define fst first
#define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<int, pi> ppi;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vl> mat;
typedef complex<double> comp;
void Debug() {cerr << '\n'; }
template<class FIRST, class... REST>void Debug(FIRST arg, REST... rest){
cerr<<arg<<" ";Debug(rest...);}
template<class T>ostream& operator<<(ostream& out,const vector<T>& v) {
out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<<v[i]<<", ";out<<v.back();}out<<"]";return out;}
template<class S, class T>ostream& operator<<(ostream& out,const pair<S, T>& v){
out<<"("<<v.first<<", "<<v.second<<")";return out;}
const int MAX_N = 300010;
const int MAX_V = 100010;
const double eps = 1e-6;
const ll mod = 1000000007;
const int inf = 1 << 30;
const ll linf = 1LL << 60;
const double PI = 3.14159265358979323846;
mt19937 rng; //use it by rng() % mod, shuffle(all(vec), rng)
///////////////////////////////////////////////////////////////////////////////////////////////////
template<int mod>
struct mint{
int x;
mint() : x(0) {}
mint(ll y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
mint &operator+=(const mint &p) { if((x += p.x) >= mod) x -= mod; return *this; }
mint &operator-=(const mint &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; }
mint &operator*=(const mint &p) { x = (int) (1LL * x * p.x % mod); return *this; }
mint &operator/=(const mint &p) { *this *= p.inverse(); return *this; }
mint &operator^=(ll n) {
int y = x; x = 1;
while(n > 0) {
if(n & 1) x = 1LL * x * y % mod; y = 1LL * y * y % mod; n /= 2; }
return *this; }
mint operator-() const { return mint(-x); }
mint operator+(const mint &p) const { return mint(*this) += p; }
mint operator-(const mint &p) const { return mint(*this) -= p; }
mint operator*(const mint &p) const { return mint(*this) *= p; }
mint operator/(const mint &p) const { return mint(*this) /= p; }
mint operator^(const ll n) const { return mint(*this) ^= n; }
bool operator==(const mint &p) const { return x == p.x; }
bool operator!=(const mint &p) const { return x != p.x; }
mint inverse() const {
int a = x, b = mod, u = 1, v = 0, t;
while(b > 0) { t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); }
return mint(u); }
friend ostream &operator<<(ostream &os, const mint<mod> &p) { return os << p.x; }
friend istream &operator>>(istream &is, mint< mod > &a) {
ll t; is >> t; a = mint<mod>(t); return (is); }
};
struct rhash { //don't forget to base_init()!!!!!
mint<1000000007> v1;
mint<1000000009> v2;
rhash() : v1(0), v2(0) {}
rhash(ll a) : v1(a), v2(a) {}
rhash(ll a, ll b) : v1(a), v2(b) {}
rhash &operator+=(const rhash &hs) { v1 += hs.v1; v2 += hs.v2; return *this; }
rhash &operator-=(const rhash &hs) { v1 -= hs.v1; v2 -= hs.v2; return *this; }
rhash &operator*=(const rhash &hs) { v1 *= hs.v1; v2 *= hs.v2; return *this; }
rhash &operator/=(const rhash &hs) { v1 /= hs.v1; v2 /= hs.v2; return *this; }
rhash &operator^=(ll n) { v1 ^= n; v2 ^= n; return *this; }
rhash operator-() const { rhash hs; hs.v1 = -v1; hs.v2 = -v2; return hs; }
rhash operator+(const rhash& hs) const { return rhash(*this) += hs; }
rhash operator-(const rhash& hs) const { return rhash(*this) -= hs; }
rhash operator*(const rhash& hs) const { return rhash(*this) *= hs; }
rhash operator/(const rhash& hs) const { return rhash(*this) /= hs; }
rhash operator^(ll n) const { return rhash(*this) ^= n; }
bool operator<(const rhash &hs) const { return pi(v1.x, v2.x) < pi(hs.v1.x, hs.v2.x); }
bool operator==(const rhash& hs) { return v1 == hs.v1 && v2 == hs.v2; }
bool operator!=(const rhash& hs) { return v1 != hs.v1 || v2 != hs.v2; }
friend ostream &operator<<(ostream &os, const rhash &hs) { return os << pi(hs.v1.x, hs.v2.x); }
};
rhash base;
void base_init() {
int v1 = uniform_int_distribution<int>(0, 1000000007 - 1)(rng);
int v2 = uniform_int_distribution<int>(0, 1000000009 - 1)(rng);
base = rhash(v1, v2);
}
int N, M;
string S;
map<pair<rhash, int>, int> G;
void solve() {
base_init();
cin >> S;
N = sz(S);
S += '$';
rep(l, 1, 10 + 1) {
rhash hs = 0;
if(l > N) continue;
rep(i, 0, l) {
hs += rhash(S[i] - 'A') * (base ^ i);
}
rep(i, 0, N - l + 1) {
G[make_pair(hs, l)]++;
hs -= rhash(S[i] - 'A');
hs += rhash(S[i + l] - 'A') * (base ^ l);
hs /= base;
}
}
cin >> M;
ll sum = 0;
while(M--) {
string str; cin >> str;
rhash hs = 0;
rep(i, 0, sz(str)) {
hs += rhash(str[i] - 'A') * (base ^ i);
}
sum += G[make_pair(hs, sz(str))];
}
cout << sum << "\n";
}
uint32_t rd() {
uint32_t res;
#ifdef __MINGW32__
asm volatile("rdrand %0" :"=a"(res) ::"cc");
#else
res = std::random_device()();
#endif
return res;
}
int main() {
#ifndef LOCAL
ios::sync_with_stdio(false);
cin.tie(0);
#endif
cout << fixed;
cout.precision(20);
cerr << fixed;
cerr.precision(6);
rng.seed(rd());
#ifdef LOCAL
//freopen("in.txt", "wt", stdout); //for tester
freopen("in.txt", "rt", stdin);
#endif
solve();
cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
return 0;
}
omochana2