Pagini recente » Cod sursa (job #1239441) | Cod sursa (job #2960970) | Cod sursa (job #2263065) | Cod sursa (job #2292745) | Cod sursa (job #1582418)
#include <fstream>
#include <cstring>
#include <vector>
using namespace std;
ofstream os ("abc2.out");
char Main[10000031];
char Word[22];
int L;
const int MOD = 99991;
vector <unsigned int> Hash[MOD];
void Input();
void Insert(unsigned int );
bool Existence(unsigned int );
int main()
{
Input();
int sol = 0;
unsigned int x = 0;
for (char *i = Main, *j; *(i+L-1) != '\0'; ++i, x = 0)
{
j = i;
for (int k = L; k > 0; --k, ++j)
x = (x * 3 + *j - 'a');
sol += Existence(x);
}
os << sol;
os.close();
}
void Input()
{
ifstream is ("abc2.in");
is >> Main;
for (unsigned int x = 0; is >> Word; Insert(x), x = 0)
for (char *p = Word; *p != '\0'; ++p)
x = (x * 3 + *p-'a');
L = strlen(Word);
is.close();
};
void Insert(unsigned int X)
{
if (Existence(X)) return;
Hash[X % MOD].push_back(X);
};
bool Existence(unsigned int X)
{
for (const unsigned int& i : Hash[X % MOD])
if (i == X)
return true;
return false;
};