1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
#include <iostream>
#include <vector>
#include <string>


using namespace std;

#define PB push_back

bool allTestsPass(string x ){
    for(int i = 0 ; i < x.length(); i++ ) {
        if(x[i] != 'T')
            return false;
    }
    return true;
}

int main() {

    int n;
    int a;
    string x;

    cin >> n;
    cin >> x;

    int length = n / 10;

    int counter = 0;
    for( int i = 0 ; i < 10 ; ++i) {
        string current = x.substr(i * length, length);
        if(allTestsPass(current)) {
            counter++;
        }
    }

    cout << counter << endl;

    return 0;
}