Pagini recente » Cod sursa (job #1972255) | Cod sursa (job #550119) | Cod sursa (job #2944026) | Cod sursa (job #2794144) | Cod sursa (job #2831099)
#include <fstream>
#include <unordered_map>
#include <string>
#include <iostream>
using namespace std;
const int NL = 3;
unordered_map <unsigned int, bool> c;
unsigned int codul(string &s)
{
unsigned int cod = 0;
for (auto c: s)
{
//cout << c;
cod = cod * NL + (c - 'a');
//cout << " -> " << cod << endl;
}
//cout << endl;
return cod;
}
int main()
{
ifstream in("abc2.in");
ofstream out("abc2.out");
string text, cuvant;
in >> text;
while (in >> cuvant)
{
c[codul(cuvant)] = true;
//out << cuvant << " -> " << codul(cuvant) << endl;
}
int l = cuvant.length(), nr = 0;
unsigned int p3 = 1;
for (int i = 0; i < l - 1; i++)
{
p3 *= 3;
}
unsigned int cod = 0;
for (int i = 0; i < text.length(); i++)
{
if (i < l - 1)
{
cod = cod * NL + (text[i] - 'a');
}
else
{
cod = cod % p3 * NL + (text[i] - 'a');
if (c[cod])
{
//out << "***" << cod << endl;
nr++;
}
}
}
out << nr;
in.close();
in.close();
return 0;
}