Peli

#include <iostream>

using namespace std;

int main()
{
    int n, k;
    cin >> n >> k;
    if (k < 3)
    {
        cout << "0";
        return 0;
    }

    int tulos = 0;
    char nyt = 'A';

    for (int i = 0; i < n; i++)
    {
        char c;
        cin >> c;

        if (c == nyt)
            nyt++;
        if (nyt >= 'D')
        {
            tulos++;
            nyt = 'A';
        }
    }

    cout << tulos;
}

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED