Pagini recente » Cod sursa (job #2867434) | Cod sursa (job #877251) | Cod sursa (job #79201) | Cod sursa (job #2106693) | Cod sursa (job #101410)
Cod sursa(job #101410)
#include<stdio.h>
#include<string.h>
typedef struct nod {nod* c[3];} nod;
typedef struct nod2 {nod2* c[3];unsigned short n;bool used;} nod2;
nod *p;
nod2* m;
char N[30],M[10000010];
int pi[30];
int i,maxcuv;
long long nr;
//kmp comparare siruri
void PI()
{int k=0,i,n=strlen(N);
pi[0]=pi[1]=0;
for(i=1;i<n;i++)
{while(k>0&&N[k]!=N[i])
k=pi[k];
if(N[k]==N[i]) k++;
pi[i+1]=k;}}
int KMP()
{int n=strlen(N),m=strlen(M),i,k=0,nr=0;
PI();
for(i=0;i<m;i++)
{while(k>0&&N[k]!=M[i])
k=pi[k];
if(N[k]==M[i]) k++;
if(k==n) nr++; }
return nr;}
nod* new_nod()
{nod *q=new nod;
q->c[0]=q->c[1]=q->c[2]=0;
return q;}
//verificare daca cuv exista deja
int new_word()
{int n=strlen(N),i;
nod *q=p;
int ok=0;
for(i=0;i<n;i++)
{if(!q->c[N[i]-'a'])
{q->c[N[i]-'a']=new nod;
(q->c[N[i]-'a'])->c[0]=(q->c[N[i]-'a'])->c[1]=(q->c[N[i]-'a'])->c[2]=0;
ok=1;}
q=q->c[N[i]-'a'];}
return ok;}
void build_arbore_solutii()
{nod2 *q,*t=m;
int m=strlen(M),i,j;
for(i=0;i<m;i++)
{j=0;
q=t;
while(j<maxcuv&&i+j<m)
{if(!q->c[M[i+j]-'a'])
{q->c[M[i+j]-'a']=new nod2;
(q->c[M[i+j]-'a'])->c[0]=(q->c[M[i+j]-'a'])->c[1]=(q->c[M[i+j]-'a'])->c[2]=0;
(q->c[M[i+j]-'a'])->n=0;(q->c[M[i+j]-'a'])->used=0;}
q=q->c[M[i+j]-'a'];
q->n=q->n+1;
j++;}
}
}
int count()
{int n=strlen(N),i;
nod2*q=m;
for(i=0;i<n;i++)
if(!q->c[N[i]-'a']) return 0;
else q=q->c[N[i]-'a'];
if(q->used) return 0;
q->used=1;
return q->n;}
int main()
{freopen("abc2.in","r",stdin);
freopen("abc2.out","w",stdout);
p=new nod;p->c[1]=p->c[0]=p->c[2]=0;
m=new nod2;m->c[0]=m->c[1]=m->c[2]=0;
scanf(" %s ",M);
while(!feof(stdin))
{scanf(" %s ",N);
if(!maxcuv)
{maxcuv=strlen(N);
build_arbore_solutii();}
//if(new_word())
nr=nr+count();
}
printf("%lld",nr);
fclose(stdout);
return 0;}