Buzzwords

#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define IOS ios_base::sync_with_stdio(0), cin.tie(0)
const int INF = 1001001001;
const int MAXN = 100'000;
const char br = '\n';
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;

// === Debug macro starts here ===

int recur_depth = 0;
#ifdef DEBUG
#define dbg(x)                                                                 \
	{                                                                      \
		++recur_depth;                                                 \
		auto x_ = x;                                                   \
		--recur_depth;                                                 \
		cerr << string(recur_depth, '\t') << "\e[91m" << __func__      \
		     << ":" << __LINE__ << "\t" << #x << " = " << x_           \
		     << "\e[39m" << endl;                                      \
	}
#else
#define dbg(x)
#endif
template <typename Ostream, typename Cont>
typename enable_if<is_same<Ostream, ostream>::value, Ostream &>::type
operator<<(Ostream &os, const Cont &v) {
    os << "[";
    for (auto &x : v) {
        os << x << ", ";
    }
    return os << "]";
}

// === Debug macro ends here ===

// print pair, vector
template <typename Ostream, typename... Ts>
Ostream &operator<<(Ostream &os, const pair<Ts...> &p) {
    return os << "{" << p.first << ", " << p.second << "}";
}
template <typename T> ostream &operator<<(ostream &s, vector<T> t) {
    for (const T &v : t) {
        cout << v << " ";
    }
    return s;
}

int nxt() {
    int x;
    cin >> x;
    return x;
}

vector<int> z_function(string const &s) {
    int n = s.size();
    vector<int> z(n);
    int x = 0, y = 0;
    for (int i = 1; i < n; i++) {
        z[i] = max(0, min(z[i-x], y - i+1));
        while (i+z[i] < n && s[z[i]] == s[i+z[i]]) {
            x= i;
            y = i+z[i];
            z[i]++;
        }
    }
    return z;
}

int main() {
    IOS;
    // freopen("input.txt", "r", stdin);

    string s;
    getline(cin, s);

    int n = nxt();

    string a;
    getline(cin, a);
    vector<string> arr(n);
    for (int i = 0; i < n; i++) {
        string str;
        getline(cin, str);
        arr[i] = str;
    }


    int count = 0;
    for (auto str : arr) {
        int len = str.size();
        auto z = z_function(str + "#" + s);
        for (auto i : z) {
            if (i == len)
                count++;
        }
    }
    cout << "\n" << count << "\n";

    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED

Test 25

Verdict: ACCEPTED

Test 26

Verdict: ACCEPTED

Test 27

Verdict: ACCEPTED

Test 28

Verdict: ACCEPTED

Test 29

Verdict: ACCEPTED

Test 30

Verdict: ACCEPTED

Test 31

Verdict: ACCEPTED

Test 32

Verdict: ACCEPTED

Test 33

Verdict: ACCEPTED

Test 34

Verdict: ACCEPTED

Test 35

Verdict: ACCEPTED

Test 36

Verdict: ACCEPTED

Test 37

Verdict: ACCEPTED

Test 38

Verdict: ACCEPTED

Test 39

Verdict: ACCEPTED

Test 40

Verdict: ACCEPTED

Test 41

Verdict: ACCEPTED

Test 42

Verdict: ACCEPTED

Test 43

Verdict: ACCEPTED

Test 44

Verdict: ACCEPTED