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Cod sursa(job #104523)
#include <stdio.h>
#include <string.h>
#define MaxNodes 1000005
#define NMax 10000005
char S[NMax], cuv[25], F[MaxNodes];
int trie[MaxNodes][3], pi[MaxNodes], A[MaxNodes][3], nodes = 1;
int q[MaxNodes], cnt;
void build_automaton(void)
{
int i, c, p, ql, qr, f = 0;
for (q[ql=qr=0]=1, pi[1] = 0; qr <= ql; qr++)
for (c = 0; c < 3; c++)
if (trie[q[qr]][c])
{
q[++ql] = trie[q[qr]][c];
for (p = pi[q[qr]]; p && !trie[p][c]; p = pi[p]);
if (!p) pi[q[ql]] = 1;
else pi[q[ql]] = trie[p][c];
}
for (i = 1; i <= nodes; i++)
for (c = 0; c < 3; c++)
if (trie[i][c])
A[i][c] = trie[i][c];
else
{
for (p = pi[i]; p && !trie[p][c]; p = pi[p]);
if (!p) A[i][c] = 1;
else A[i][c] = trie[p][c];
}
}
int main(void)
{
int i, nod, L = -1, len;
freopen("abc2.in", "r", stdin);
freopen("abc2.out", "w", stdout);
memset(trie, 0, sizeof(trie));
fgets(S, sizeof(S), stdin);
while (fgets(cuv, sizeof(cuv), stdin) != NULL)
{
if (L == -1)
for (L = 0; cuv[L] >= 'a' && cuv[L] <= 'c'; L++);
for (i = 0, nod = 1; i < L; i++)
{
if (cuv[i] < 'a' || cuv[i] >'c') break;
if (!trie[nod][cuv[i]-'a'])
trie[nod][cuv[i]-'a'] = (++nodes);
nod = trie[nod][cuv[i]-'a'];
}
F[nod] = 1;
}
build_automaton();
for (i = 0, nod = 1, len = strlen(S); i < len; i++)
{
if (S[i] < 'a' || S[i] > 'c') break;
nod = A[nod][S[i]-'a'];
cnt += (F[i] == 1);
}
printf("%d\n", cnt);
return 0;
}