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Cod sursa(job #101045)
#include<stdio.h>
#include<string.h>
//typedef struct nod {nod* c[3];} nod;
typedef struct nod {nod* c[3];int n;bool used;} nod;
nod *p,*q[21];
char N[30],lg;
//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;} */
nod* go(nod* q,char a)
{if(!q->c[a-'a'])
{q->c[a-'a']=new nod;
q=q->c[a-'a'];
q->c[0]=q->c[1]=q->c[2]=0;
q->n=1;
q->used=0;
return q;}
q=q->c[a-'a'];
q->n=q->n+1;
return q;}
void build_arbore_solutii()
{q[0]=p;
char c;int i,j;
scanf("%c",&c);
for(i=1;i<=lg&&c>='a'&&c<'d';i++)
{for(j=i;j>0;j--)
q[j]=go(q[j-1],c);
scanf("%c",&c);}
while(c>='a'&&c<'d')
{for(j=lg;j>0;j--)
q[j]=go(q[j-1],c);
scanf("%c",&c);}}
int count()
{int i;
nod*q=p;
for(i=0;i<lg;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 init()
{freopen("abc2.in","r",stdin);
char M[10000010];
scanf(" %s ",M);
scanf(" %s ",M);
lg=strlen(M);
fclose(stdin);}
int main()
{init();
freopen("abc2.in","r",stdin);
freopen("abc2.out","w",stdout);
// p=new nod;p->c[1]=p->c[0]=p->c[2]=0;
p=new nod;p->c[0]=p->c[1]=p->c[2]=0;
build_arbore_solutii();
while(!feof(stdin))
{scanf(" %s ",N);
nr=nr+count();
}
printf("%ld",nr);
fclose(stdout);
return 0;}