Pagini recente » Diferente pentru preoji/clasament/11-12 intre reviziile 17 si 21 | Monitorul de evaluare | Rating Ciocoiu Razvan-Andrei (razvanuzu) | Profil M@2Te4i | Cod sursa (job #2004147)
#include <fstream>
#include <algorithm>
#include <vector>
#define MOD 63103
#define LL long long
using namespace std;
ifstream fin("abc2.in");
ofstream fout("abc2.out");
int N, M, i, j, ANS, K;
int L1, L2;
LL nr, P1;
LL A[MOD], B[MOD];
string T, P;
void Check(int val)
{
int i, step;
for (step = 1; step < L1; step <<= 1);
for (i = 0; step; step >>= 1)
if (i + step < L1 && A[i + step] <= val)
i += step;
if (A[i]==val)
ANS++;
}
int main()
{
fin >> T;
N=T.size();
while (fin >> P)
{
M=P.size();
nr=0;
P1=1;
for (i=M-1; i>=0; i--)
{
nr+=P1*(P[i]-'a');
if (i>0)
P1*=3;
}
A[++L1]=nr;
}
sort(A+1, A+L1+1);
nr=0;
P1=1;
for (i=M-1; i>=0; i--)
{
nr+=P1*(T[i]-'a');
if (i>0)
P1*=3;
}
Check(nr);
for (i=M; i<N; i++)
{
nr-=P1*(T[i-M]-'a');
nr*=3;
nr+=T[i]-'a';
Check(nr);
}
fout << ANS << '\n';
fin.close();
fout.close();
return 0;
}