func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MAX = 1e6 + 1;   const long long PRIME = 1e9 + 7;   long long gcd(long long a, long long b) {     if (b == 0) return a;     return gcd(b, a % b);   }   void solve() {     long long n;     cin >> n;     string s;     bool flag = 1;     cin >> s;     long long l = 0, r = 0;     vector<long long> a(n, 0);     for (long long i = 0; i < n; i++) {       if (s[i] ==  > )         l++;       else if (s[i] ==  < )         r++;       else {         a[i] = 1;         a[(i + 1) % n] = 1;       }     }     if (l != 0 && r == 0) {       cout << n <<   n ;       return;     }     if (r != 0 && l == 0) {       cout << n <<   n ;       return;     }     if (l == 0 && r == 0) {       cout << n <<   n ;       return;     }     long long ans = 0;     for (long long i = 0; i < n; i++) {       ans += a[i];     }     cout << ans <<   n ;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long long t;     cin >> t;     while (t--) {       solve();     }   }   