結果
問題 | No.430 文字列検索 |
ユーザー | omochana2 |
提出日時 | 2019-04-20 19:27:20 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 296 ms / 2,000 ms |
コード長 | 5,661 bytes |
コンパイル時間 | 1,289 ms |
コンパイル使用メモリ | 172,788 KB |
実行使用メモリ | 26,624 KB |
最終ジャッジ日時 | 2024-11-10 00:23:40 |
合計ジャッジ時間 | 2,833 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,820 KB |
testcase_01 | AC | 282 ms
26,624 KB |
testcase_02 | AC | 19 ms
6,820 KB |
testcase_03 | AC | 19 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 1 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 296 ms
26,496 KB |
testcase_09 | AC | 1 ms
6,816 KB |
testcase_10 | AC | 15 ms
6,816 KB |
testcase_11 | AC | 72 ms
7,552 KB |
testcase_12 | AC | 72 ms
7,936 KB |
testcase_13 | AC | 72 ms
7,424 KB |
testcase_14 | AC | 56 ms
6,820 KB |
testcase_15 | AC | 45 ms
6,820 KB |
testcase_16 | AC | 23 ms
6,816 KB |
testcase_17 | AC | 22 ms
6,820 KB |
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 *= base; hs += (S[i] - 'A'); } rep(i, 0, N - l + 1) { G[make_pair(hs, l)]++; hs -= rhash(S[i] - 'A') * (base ^ (l - 1)); hs *= base; hs += rhash(S[i + l] - 'A'); } } cin >> M; ll sum = 0; while(M--) { string str; cin >> str; rhash hs = 0; rep(i, 0, sz(str)) { hs *= base; hs += (str[i] - 'A'); } 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; }