Pagini recente » Monitorul de evaluare | Cod sursa (job #821471) | Diferente pentru preoji/clasament/11-12 intre reviziile 8 si 21 | Statistici Diaconu David (diaconudavid00) | Cod sursa (job #2004145)
#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(LL X)
{
int be=1, en=L1;
int mid, ans=0;
while (be<=en)
{
mid=(be+en) / 2;
if (A[mid]==X)
{
ans=1;
break;
}
if (A[mid]<X)
be=mid+1;
else
en=mid-1;
}
ANS+=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;
}