Igra-sporiji

#include <iostream>
#include <string>
#include <vector>

using namespace std;

string r1, r2;

int checkViruses (const int x, const int y, const int l) {
    short int matches;
    matches=0;
    for (int i=-1; i<l-1; i++) {
        if (r1[x+i] == r2[y+i])
            matches++;
    }
    return matches;
}
int main()
{
    short int n;
    long int q;

    vector<int> results;

    cin >> n;
    cin >> r1 >> r2;
    cin >> q;

    for (int i=0; i<q; i++) {
        short int x, y, l;
        cin >> x >> y >> l;
        results.push_back(checkViruses(x, y, l));
    }

    for (vector<int>::iterator it=results.begin(); it != results.end(); ++it)
        cout << *it << endl;
    return 0;
}