結果
問題 | No.430 文字列検索 |
ユーザー | 👑 tute7627 |
提出日時 | 2021-02-01 18:47:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 6,095 bytes |
コンパイル時間 | 2,600 ms |
コンパイル使用メモリ | 220,868 KB |
実行使用メモリ | 7,828 KB |
最終ジャッジ日時 | 2024-11-10 00:53:06 |
合計ジャッジ時間 | 2,814 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
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 | 10 ms
7,828 KB |
testcase_02 | AC | 4 ms
5,248 KB |
testcase_03 | AC | 4 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 | 1 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 | 8 ms
6,032 KB |
testcase_12 | AC | 8 ms
6,416 KB |
testcase_13 | AC | 8 ms
6,404 KB |
testcase_14 | AC | 7 ms
5,768 KB |
testcase_15 | AC | 5 ms
5,616 KB |
testcase_16 | AC | 6 ms
5,488 KB |
testcase_17 | AC | 5 ms
5,616 KB |
ソースコード
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T>void debug(T &v,ll h,ll w,string sv=" "){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout<<sv<<v[i][j];cout<<endl;}}; template<typename T>void debug(T &v,ll n,string sv=" "){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout<<sv<<v[i];cout<<endl;}; template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; template< typename T = int > struct edge { int to; T cost; int id; edge() = default; edge(int to, T cost = 1, int id = 0):to(to), cost(cost), id(id){} operator int() const { return to; } }; template<typename T> using Graph = vector<vector<edge<T>>>; template<typename T> Graph<T> readGraph(int n,int m,int indexed=1,bool directed=false,bool weighted=false){ Graph<T> ret(n); for(int es = 0; es < m; es++){ int u,v,w=1; cin>>u>>v;u-=indexed,v-=indexed; if(weighted)cin>>w; ret[u].emplace_back(v,w,es); if(!directed)ret[v].emplace_back(u,w,es); } return ret; } template<typename T> Graph<T> readParent(int n,int indexed=1,bool directed=true){ Graph<T>ret(n); for(int i=1;i<n;i++){ int p;cin>>p; p-=indexed; ret[p].emplace_back(i); if(!directed)ret[i].emplace_back(p); } return ret; } template<int iden, int size> struct Trie{ struct Node{ array<int, size>nxt; vector<int>idx; int fail, len; Node(int l):fail(0), len(l){ fill(nxt.begin(), nxt.end(), -1); } }; vector<Node>data; Trie(){ data.emplace_back(0); } int add(const string &s, int id=0){ int pos=0; for(int i=0;i<s.size();i++){ int c = s[i] - iden; if(data[pos].nxt[c]==-1){ data[pos].nxt[c]=data.size(); data.emplace_back(i+1); } pos = data[pos].nxt[c]; } data[pos].idx.push_back(id); return pos; } int append(int pos,char cc){ int c = cc - iden; if(data[pos].nxt[c]==-1){ data[pos].nxt[c]=data.size(); data.emplace_back(0); } pos=data[pos].nxt[c]; return pos; } vector<string>str; void build_str(int pos=0,string s=""){ while(str.size()<=pos)str.push_back(""); str[pos]=s; for(int i=0;i<size;i++){ if(data[pos].nxt[i]!=-1){ build_str(data[pos].nxt[i],s+char(i+iden)); } } } void build_Ahocorasick(){ queue<int>que; for(int i=0;i<size;i++){ if(data[0].nxt[i]!=-1){ data[data[0].nxt[i]].fail=0; que.push(data[0].nxt[i]); } else{ data[0].nxt[i]=0; } } while(!que.empty()){ int pos = que.front(); que.pop(); for(int i=0;i<size;i++){ if(data[pos].nxt[i]!=-1){ data[data[pos].nxt[i]].fail = data[data[pos].fail].nxt[i]; que.push(data[pos].nxt[i]); } else{ data[pos].nxt[i]=data[data[pos].fail].nxt[i]; } } } } vector<int> aho_search(const string &s){ int now=0; vector<int>cnt(data.size()); for(int i=0;i<s.size();i++){ int c = s[i] - iden; now=data[now].nxt[c]; cnt[now]++; } if(sg.empty())suffix_link(); auto dfs=[&](auto &&f,int k)->void{ for(auto to:sg[k]){ f(f,to); cnt[k]+=cnt[to]; } }; dfs(dfs,0); return cnt; } Graph<int> sg; void suffix_link(){ assert(sg.empty()); sg.resize(data.size()); for(int i=1;i<data.size();i++){ sg[data[i].fail].emplace_back(i); } } }; using trie = Trie<'A',26>; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; string s;cin>>s; ll m;cin>>m; vector<ll>v(m); trie tri; rep(i,0,m){ string c;cin>>c; v[i]=tri.add(c,i); } //tri.build_str(); tri.build_Ahocorasick(); auto fre=tri.aho_search(s); rep(i,0,m){ res+=fre[v[i]]; } cout<<res<<endl; return 0; }