Pagini recente » Cod sursa (job #2087070) | Cod sursa (job #1485709) | Monitorul de evaluare | Cod sursa (job #1236875) | Cod sursa (job #2103988)
#include<fstream>
#include<iostream>
#include<algorithm>
#include<bitset>
#include<cmath>
#include<cstring>
#include<vector>
#include<map>
#define pb push_back
#define DN 10005
using namespace std;
ifstream fin("ahocorasick.in");
ofstream fout("ahocorasick.out");
int n,cd,l,r[DN];
char c[DN],tx[DN];
struct ac
{
vector<int>v;
ac *fail=0,*f[30]={0};
int nr=0;
}*q[DN*DN];
ac *t=new ac;
ac *p=new ac;
void inserare(ac *nod,char *c,int i)
{
if(*c==0)
{
nod->v.pb(i);
return;
}
if(nod->f[*c-'a']==0)
nod->f[*c-'a']=new ac;
inserare(nod->f[*c-'a'],c+1,i);
}
void bfs()
{
ac *nod,*d;
t->fail=t;
cd=1;
q[1]=t;
for(int i=1;i<=cd;i++)
{
nod=q[i];
for(int j=0;j<30;j++)
if(nod->f[j]!=0)
{
for(d=nod->fail;d!=t&&d->f[j]==0;d=d->fail);
if(d->f[j]!=0&&d->f[j]!=nod->f[j])
d=d->f[j];
nod->f[j]->fail=d;
cd++;
q[cd]=nod->f[j];
}
}
t->fail=0;
}
void antibfs()
{
ac *nod;
for(int i=cd;i>=1;i--)
{
nod=q[i];
if(nod->fail!=0)
nod->fail->nr+=nod->nr;
for(int j=0;j<nod->v.size();j++)
r[nod->v[j]]=nod->nr;
}
}
int main()
{
fin>>tx;
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>c;
inserare(t,c,i);
}
bfs();
l=strlen(tx);
p=t;
for(int i=0;i<l;i++)
{
int urm=tx[i]-'a';
for(;p->f[urm]==0&&p!=t;p=p->fail);
if(p->f[urm]!=0)
p=p->f[urm];
p->nr++;
}
antibfs();
for(int i=1;i<=n;i++)
fout<<r[i]<<'\n';
}