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
#include <bits/stdc++.h>

using namespace std;

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

    int n, w, ans = 0;
    string s;

    cin >> n >> s;
    w = n/10;
    for (int pos = 0; pos < n; pos += w) {
        int cnt = 0;
        for (int i = pos; i < pos+w; ++i) {
            if (s[i] == 'T') ++cnt;
        }
        if (cnt == w) ++ans;
    }
    cout << ans << '\n';

    return 0;
}