結果
| 問題 |
No.430 文字列検索
|
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2018-12-13 02:11:02 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 240 ms / 2,000 ms |
| コード長 | 2,625 bytes |
| コンパイル時間 | 1,480 ms |
| コンパイル使用メモリ | 178,448 KB |
| 実行使用メモリ | 27,008 KB |
| 最終ジャッジ日時 | 2024-11-10 00:20:51 |
| 合計ジャッジ時間 | 2,932 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; }
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
struct RH {
vector<unsigned long long> p,hash;
unsigned long long base,m;
// m : 1000000007, 1000000009, 1000000021...
RH(){base=10007;m=1000000007;}
void init(const string s) {
unsigned long long q=1,n=s.size();
p.resize(n+1);hash.resize(n+1);p[0]=q;hash[0]=0;
for(int i=0;i<n;i++){
if(m == 0){p[i+1]=p[i]*base; hash[i+1]=s[i]+hash[i]*base;}
else {p[i+1]=p[i]*base%m; hash[i+1]=(s[i]+hash[i]*base)%m;}
}
}
unsigned long long h(int i)const{return hash[i];}
unsigned long long h(int i,int j)const{
if(m==0) return h(j)-h(i)*p[j-i];
else return (h(j)-h(i)*p[j-i]%m+m)%m;
}
};
map<ll,int> mp[11];
template<class T>
T solve(T res = T()){
string S; cin >> S;
RH rh; rh.init(S);
for(int i = 0; i < S.length();i++){
for(int j = 1; j <= 10;j++){
mp[j][rh.h(i,i+j)]++;
}
}
int M; cin >> M;
while(M--){
string C; cin >> C;
RH crh; crh.init(C);
res += mp[C.length()][crh.h(C.length())];
}
for(int i = 0; i < M;i++){
}
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
// solve(0);
cout << fixed << setprecision(15) << solve<ll>() << endl;
return 0;
}
kei