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Cod sursa(job #98198)
#include <cstdio>
#include <vector>
#include <string>
using namespace std;
#define MAXL 10000005
#define MAXN (50005*21)
#define SIGMA 3
int N;
char s[MAXL];
char tmp[32];
vector<string> v;
vector<int> stareCur;
vector< vector<int> > Tr, DFA;
vector< int > niv, p, term;
int NR;
inline int add( const string &s, int ID )
{
int i = 0, stare = 0;
for (; s[i]; i++)
{
if (Tr[stare][ s[i] - 'a' ] == -1)
{
Tr[stare][ s[i] - 'a' ] = ++NR;
Tr.push_back( vector<int>(SIGMA, -1) );
niv.push_back( niv[stare] + 1 );
p.push_back( stare );
term.push_back(0);
stare = NR;
}
else
stare = Tr[stare][ s[i] - 'a' ];
}
return stare;
}
int main()
{
freopen("abc2.in", "rt", stdin);
freopen("abc2.out", "wt", stdout);
int i;
fgets(s, MAXL, stdin);
v.clear();
for (N = 0; fgets(tmp, 32, stdin); )
{
N++;
int k;
for (k = 0; 'a' <= tmp[k] && tmp[k] <= 'z'; k++);
tmp[k] = 0;
if (k == 0) continue;
v.push_back( tmp );
}
stareCur.resize( v.size(), 0 );
//init
Tr.reserve(N);
NR = 0; niv.push_back(0); p.push_back(-1); term.push_back(0);
Tr.push_back( vector<int>(SIGMA, -1) );
//make trie
for (i = 0; i < N; i++)
term[ add( v[i], i ) ] = 1;
//make DFA
DFA.resize( Tr.size(), vector<int>(SIGMA, 0) );
int wlen = (int)v[0].size();
for (i = 0; i < wlen; i++)
{
int j;
for (j = 0; j < N; j++)
{
int k, stare, parent, aux, C = v[j][i] - 'a';
stare = stareCur[j] = Tr[ stareCur[j] ][C];
parent = p[stare];
aux = DFA[ parent ][ C ];
if (term[ DFA[parent][ C ] ])
term[stare] = 1;
DFA[parent][ C ] = stare;
for (k = 0; k < SIGMA; k++)
DFA[stare][k] = DFA[aux][k];
if (niv[aux] == niv[parent])
for (k = 0; k < SIGMA; k++)
if (Tr[aux][k] != -1)
DFA[stare][k] = Tr[aux][k];
}
}
//get matchings
int stare = 0, NR = 0;
for (i = 0; s[i] != '\n'; i++)
{
stare = DFA[stare][ s[i] - 'a' ];
if (term[stare])
NR++;
}
printf("%d\n", NR);
return 0;
}