Buzzwords

input/code.cpp: In function 'int main()':
input/code.cpp:52:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for (int pos = m + 1; pos < combined.size(); pos++) {
      |                               ~~~~^~~~~~~~~~~~~~~~~

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <climits>

typedef long long ll;

using namespace std;

vector<int> z(string 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]++;
        }
    }
    z[0] = n;
    return z;
}


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    // freopen("input.txt", "r", stdin); // TODO: REMOVE THIS YOU STUPID ****

    string s;
    getline(cin, s);
    int q;
    cin >> q;
    vector<string> words(q);
    string trash;
    getline(cin, trash);
    for (int i = 0; i < q; i++) {
        getline(cin, words[i]);
    }

    ll ans = 0;
    for (int i = 0; i < q; i++) {
        const string &pat = words[i];
        if (pat.size() > s.size()) continue;
        string combined = pat + '$' + s;
        auto zarr = z(combined);
        int m = pat.size();
        for (int pos = m + 1; pos < combined.size(); pos++) {
            if (zarr[pos] >= m) ans++;
        }
    }

    cout << ans << "\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