Pagini recente » Cod sursa (job #763014) | Cod sursa (job #1207082) | Cod sursa (job #2893194) | Cod sursa (job #963367) | Cod sursa (job #2099825)
#include <bits/stdc++.h>
#if 1
#define pv(x) cout<<#x<<" = "<<x<<"; ";cout.flush()
#define pn cout<<endl
#else
#define pv(x)
#define pn
#endif
using namespace std;
ifstream in("abc2.in");
ofstream out("abc2.out");
using ll = long long;
using ull = unsigned long long;
using uint = unsigned int;
#define pb push_back
#define mp make_pair
const int NMax = 1e7 + 5;
const int lenMax = 1e7 + 5;
const int inf = 1e9 + 5;
const int base = 3;
const int mod = 100003;
using zint = int;
int N,M;
char str[NMax],cuv[NMax];
vector<int> h[mod];
bool check(uint);
void add(uint);
int main() {
in>>(str);
M = strlen(str);
in>>cuv;
int len = strlen(cuv);
while (!in.fail()) {
uint digest = 0;
for (int k=0;k < len;++k) {
digest = digest * base + (cuv[k] - 'a') * base;
}
add(digest);
in>>cuv;
}
uint strDigest = 0,pw = 1;
for (int k=0;k < len;++k) {
strDigest = strDigest * base + (str[k] - 'a') * base;
pw = pw * base;
}
int ans = 0;
if (check(strDigest)) {
++ans;
//pv(ans);
}
for (int j=len;j < M;++j) {
strDigest = (strDigest - pw * (str[j-len] - 'a')) * base + (str[j] - 'a') * base;
if (check(strDigest)) {
++ans;
}
}
out<<ans<<'\n';
in.close();out.close();
return 0;
}
#define idx val%mod
bool check(uint val) {
for (uint nr : h[idx]) {
if (val == nr) {
return true;
}
}
return false;
}
void add(uint val) {
h[idx].pb(val);
}