Pagini recente » Cod sursa (job #1615715) | Cod sursa (job #840171) | Cod sursa (job #721495) | Cod sursa (job #1672130) | Cod sursa (job #2296756)
#include <fstream>
#include <unordered_map>
#include <string>
using namespace std;
ifstream cin("abc2.in");
ofstream cout("abc2.out");
string s, x;
unordered_map<long long, bool> dictionar;
int main(){
cin >> s;
while(cin >> x){
long long cod = 0;
for(int i = 0; i < x.size(); i++)
cod = cod * 3 + x[i] - 'a';
// cout << cod << endl;
dictionar[cod] = true;
}
int n = x.size();
long long p3lan = 1;
for(int i = 1; i < n; i++)
p3lan *= 3;
long long cod = 0;
int ans = 0;
for(int i = 0, j = 0; i <= s.size() - n; i++){
while(j < s.size() && j < i + n){
cod = cod * 3 + s[j] - 'a';
// cout << cod << endl;
j++;
}
if (dictionar.find(cod) != dictionar.end())
ans ++;
// cout << cod << endl;
cod -= p3lan * (s[i] - 'a');
}
cout << ans << endl;
return 0;
}