結果
問題 | No.430 文字列検索 |
ユーザー | okaduki |
提出日時 | 2018-01-31 00:25:34 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 16 ms / 2,000 ms |
コード長 | 3,098 bytes |
コンパイル時間 | 2,087 ms |
コンパイル使用メモリ | 179,108 KB |
実行使用メモリ | 10,240 KB |
最終ジャッジ日時 | 2024-11-10 00:18:38 |
合計ジャッジ時間 | 2,707 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 | 16 ms
10,240 KB |
testcase_02 | AC | 5 ms
5,376 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 | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 12 ms
7,808 KB |
testcase_12 | AC | 13 ms
8,320 KB |
testcase_13 | AC | 12 ms
8,320 KB |
testcase_14 | AC | 9 ms
7,168 KB |
testcase_15 | AC | 7 ms
6,016 KB |
testcase_16 | AC | 7 ms
6,132 KB |
testcase_17 | AC | 7 ms
6,016 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using LL = long long; using VL = vector<LL>; using VVL = vector<VL>; using PLL = pair<LL, LL>; using VS = vector<string>; #define ALL(a) begin((a)),end((a)) #define RALL(a) (a).rbegin(), (a).rend() #define PB push_back #define EB emplace_back #define MP make_pair #define SZ(a) int((a).size()) #define SORT(c) sort(ALL((c))) #define RSORT(c) sort(RALL((c))) #define UNIQ(c) (c).erase(unique(ALL((c))), end((c))) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define FF first #define SS second #define DUMP(x) cout<<#x<<":"<<(x)<<endl template<class S, class T> istream& operator>>(istream& is, pair<S,T>& p){ return is >> p.FF >> p.SS; } template<class T> istream& operator>>(istream& is, vector<T>& xs){ for(auto& x: xs) is >> x; return is; } template<class S, class T> ostream& operator<<(ostream& os, const pair<S,T>& p){ return os << p.FF << " " << p.SS; } template<class T> ostream& operator<<(ostream& os, const vector<T>& xs){ for(unsigned int i=0;i<xs.size();++i) os << (i?" ":"") << xs[i]; return os; } template<class T> void maxi(T& x, T y){ if(x < y) x = y; } template<class T> void mini(T& x, T y){ if(x > y) x = y; } const double EPS = 1e-10; const double PI = acos(-1.0); const LL MOD = 1e9+7; struct Aho{ // failure link is slways 0. static const int FAIL = 0; static const int SIZE = 26 + 1; static int idx(char c){ return c-'A' + 1; } struct Node{ vector<Node*> chd; vector<int> accept; Node(){ chd.assign(SIZE, nullptr); } //~Node(){ FOR(i,1,SIZE){ delete chd[i]; chd[i] = nullptr; } } }; Node* root; int kind; Aho(){ root = nullptr; } void build(const vector<string>& vs){ //delete root; root = new Node(); kind = vs.size(); for(int i=0;i<kind;++i){ Node* crt = root; for(char c: vs[i]){ int ix = idx(c); if(!crt->chd[ix]) crt->chd[ix] = new Node(); crt = crt->chd[ix]; } crt->accept.push_back(i); } queue<Node*> q; for(int i=1;i<SIZE;++i) if(root->chd[i]){ root->chd[i]->chd[FAIL] = root; q.push(root->chd[i]); } else root->chd[i] = root; while(!q.empty()){ Node* t = q.front(); q.pop(); for(int i=1;i<SIZE;++i) if(t->chd[i]){ q.push(t->chd[i]); Node* p = t->chd[FAIL]; while(!p->chd[i]) p = p->chd[FAIL]; t->chd[i]->chd[FAIL] = p->chd[i]; t->chd[i]->accept.insert(t->chd[i]->accept.end(), p->chd[i]->accept.begin(), p->chd[i]->accept.end()); } } } /** * require: |res| == kind */ void match(const string& s, vector<int>& res){ Node* crt = root; for(char c: s){ int ix = idx(c); while(!crt->chd[ix]) crt = crt->chd[FAIL]; crt = crt->chd[ix]; for(int id: crt->accept) ++res[id]; } } }; int main(){ cin.tie(0); ios_base::sync_with_stdio(false); string S; cin >> S; int M; cin >> M; VS vs(M); REP(i,M) cin >> vs[i]; Aho aho; aho.build(vs); VI res(M); aho.match(S, res); cout << accumulate(ALL(res), 0) << endl; return 0; }