Pagini recente » Cod sursa (job #2293642) | Cod sursa (job #1206603) | Cod sursa (job #1375) | Cod sursa (job #1187512) | Cod sursa (job #2440231)
#include <iostream>
#include <fstream>
#include <queue>
#include <list>
#include <vector>
using namespace std;
ifstream fin("ahocorasick.in");
ofstream fout("ahocorasick.out");
struct nod
{
int cnt;
std::list<int> id;
nod* back;
nod* son['z'-'a'+1]={0};
};
char c[1005000];
char v[150][10500];
int countt[150];
nod * root;
std::queue<nod *> q;
int n,l;
char clear[10];
std::list<int> s;
std::vector<nod *> termNode;
int main()
{
fin.getline(c,1005000);
fin>>n;
fin.getline(clear,10);
root= new nod;
root->back= root;
for(int i=0;i<n;i++)
{
fin.getline(v[i],10500);
nod * nd= root;
for(int j=0;v[i][j]!='\0';j++)
{
int ch= v[i][j]-'a';
if(nd->son[ch]==0)
nd->son[ch]=new nod;
if(nd==root)
nd->son[ch]->back=root;
nd= nd->son[ch];
if(v[i][j+1]=='\0')
nd->id.push_back(i);
}
}
for(int i=0;i<='z'-'a';i++)
if(root->son[i]!=0)
{
q.push(root->son[i]);
termNode.push_back(root->son[i]);
}
while(!q.empty())
{
nod * tp= q.front();
q.pop();
for(int i=0;i<='z'-'a';i++)
{
nod * u = tp->son[i];
if(u!=0)
{
q.push(u);
termNode.push_back(u);
nod * nd= tp->back;
while( nd!=root &&nd->son[i]==0)
nd= nd->back;
if(nd->son[i]==0)
{
u->back=root;
continue;
}
u->back= nd->son[i];
s = u->back->id;
u->id.merge(u->back->id);
u->back->id=s;
}
}
}
nod * nd= root;
for(int i=0;c[i]!='\0';i++)
{
int ch = c[i]-'a';
while(nd->son[ch]==0 && nd!=root) nd= nd->back;
if(nd->son[ch]==0) continue;
nd->son[ch]->cnt++;
nd=nd->son[ch];
}//*/
for(int i=termNode.size()-1;i>=0;i--)
{
nod * u =termNode[i];
for(std::list<int>::iterator it= u->id.begin();it!=u->id.end();++it )
countt[(*it)]+=u->cnt;
// u->back->cnt+=u->cnt;
}
for(int i=0;i<n;i++)
fout<<countt[i]<<"\n";
}