結果
| 問題 |
No.430 文字列検索
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-07-21 23:37:21 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,839 bytes |
| コンパイル時間 | 1,954 ms |
| コンパイル使用メモリ | 199,236 KB |
| 最終ジャッジ日時 | 2025-01-30 11:30:27 |
|
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 * 13 RE * 1 |
ソースコード
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[8]={1,0,-1,0,1,1,-1,-1};
const ll dx[8]={0,1,0,-1,1,-1,1,-1};
template <typename T> inline bool chmax(T &a, T b) {
return ((a < b) ? (a = b, true) : (false));
}
template <typename T> inline bool chmin(T &a, T b) {
return ((a > b) ? (a = b, true) : (false));
}
struct RollingHash {
static const int base1 = 1007, base2 = 2009;
static const int mod1 = 1000000007, mod2 = 1000000009;
vector<long long> hash1, hash2, power1, power2;
// construct
RollingHash(const string &S) {
int n = (int)S.size();
hash1.assign(n+1, 0);
hash2.assign(n+1, 0);
power1.assign(n+1, 1);
power2.assign(n+1, 1);
for (int i = 0; i < n; ++i) {
hash1[i+1] = (hash1[i] * base1 + S[i]) % mod1;
hash2[i+1] = (hash2[i] * base2 + S[i]) % mod2;
power1[i+1] = (power1[i] * base1) % mod1;
power2[i+1] = (power2[i] * base2) % mod2;
}
}
// get hash of S[left:right)
inline pair<long long, long long> get(int l, int r) const {
long long res1 = hash1[r] - hash1[l] * power1[r-l] % mod1;
if (res1 < 0) res1 += mod1;
long long res2 = hash2[r] - hash2[l] * power2[r-l] % mod2;
if (res2 < 0) res2 += mod2;
return {res1, res2};
}
using pl=pair<long long,long long>;
inline pl connect(pl h1,pl h2,int h2len){
pl ret;
ret.first=(h1.first*power1[h2len]+h2.first)%mod1;
ret.second=(h1.second*power2[h2len]+h2.second)%mod2;
return ret;
}
// get lcp of S[a:] and T[b:]
inline int getLCP(int a, int b) const {
int len = min((int)hash1.size()-a, (int)hash1.size()-b);
int low = 0, high = len;
while (high - low > 1) {
int mid = (low + high) >> 1;
if (get(a, a+mid) != get(b, b+mid)) high = mid;
else low = mid;
}
return low;
}
};
int main(){
string s;cin >> s;
ll q;cin >> q;
RollingHash rh(s);
ll ans=0;
while(q--){
string t;cin >> t;
RollingHash rt(t);
rep(i,s.size()-t.size()+1){
if(rt.get(0,t.size())==rh.get(i,i+t.size()))ans++;
}
}
cout << ans << endl;
}