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Cod sursa(job #612724)
#include<stdio.h>
#include<string.h>
#include<malloc.h>
#define M 50321
#define MaxN 10000001
typedef struct _nod
{
char info[21];
struct _nod *adr;
} nod;
nod *H[M];
char S[MaxN];
int ln,LN,NR;
int Func(char A[])
{
int a = 1;
for(int i=0;i<ln-1;i++)
a = a*3 + A[i]-'a';
return a%M;
}
void add(char A[])
{
int a = Func(A);
nod *nou = (nod*)malloc(sizeof(nod));
strcpy(nou->info,A);
nou->adr = H[a];
H[a] = nou;
}
void citire(void)
{
char A[21];
FILE *f = fopen("abc2.in","r");
fgets(S,sizeof(S),f);
while(!feof(f))
{
fgets(A,sizeof(A),f);
ln = strlen(A);
add(A);
}
fclose(f);
}
int ExistString(char A[21])
{
int a = Func(A);
nod *p = H[a];
while(p)
if(strcmp(p->info,A) == 0)
return 1;
else
p = p->adr;
return 0;
}
void solve(void)
{
LN = strlen(S);
char A[21];
for(int i=0;i<=LN-ln;i++)
{
for(int j=0;j<ln-1;j++)
A[j] = S[i+j];
A[ln-1] = '\n';
A[ln] = '\0';
NR += ExistString(A);
}
}
int main()
{
FILE *g = fopen("abc2.out","w");
citire();
solve();
fprintf(g,"%d ",NR);
fclose(g);
return 0;
}