Pagini recente » Cod sursa (job #615704) | Cod sursa (job #2807322) | Cod sursa (job #756322) | tema | Cod sursa (job #2031501)
#include <bits/stdc++.h>
#define Nmax 101
using namespace std;
int n,rez[Nmax];
string S,c;
struct trie{
trie *f[26],*fail;
vector<int> P;
int val;
trie()
{
val = 0;
memset(f,0,sizeof(f));
fail = NULL;
}
}*T;
vector<trie*> C;
void add(int poz)
{
trie *nod = T;
for (int i=0;i<c.size();i++)
{
if (nod->f[c[i]-'a']==NULL)
nod->f[c[i]-'a'] = new trie();
nod = nod->f[c[i]-'a'];
}
nod->P.push_back(poz);
}
void bfs()
{
C.push_back(T);
T->fail = T;
for (int k=0;k<C.size();k++)
{
for (int i=0;i<26;i++)
if (C[k]->f[i]!=NULL)
{
trie *nod = C[k]->fail;
while (nod->f[i]==NULL && nod!=T)
nod = nod->fail;
if (nod->f[i]!=NULL && nod->f[i]!=C[k]->f[i])
nod = nod->f[i];
C[k]->f[i]->fail = nod;
C.push_back(C[k]->f[i]);
}
}
}
void bfs2()
{
for (int i=C.size()-1;i>=0;i--)
{
C[i]->fail->val += C[i]->val;
for (int j=0;j<C[i]->P.size();j++)
rez[C[i]->P[j]] += C[i]->val;
}
}
int main()
{
freopen("ahocorasick.in","r",stdin);
freopen("ahocorasick.out","w",stdout);
T = new trie();
cin>>S;
cin>>n;
for (int i=1;i<=n;i++)
{
cin>>c;
add(i);
}
bfs();
trie *nod = T;
for (int i=0;i<S.size();i++)
{
while (nod->f[S[i]-'a']==NULL && nod!=T)
nod = nod->fail;
if (nod->f[S[i]-'a']!=NULL)
nod = nod->f[S[i]-'a'];
nod->val++;
}
bfs2();
for (int i=1;i<=n;i++)
cout<<rez[i]<<'\n';
return 0;
}