func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   const int ac = 1e6 + 5;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int t;     cin >> t;     while (t--) {       int n, k;       cin >> n >> k;       cout << n <<   n ;       string s;       cin >> s;       int p = 0;       for (int i = 0; i < n / 2 - k + 1; i++) {         int j = p;         while (s[j] !=  ( ) j++;         cout << p + 1 <<     << j + 1 <<   n ;         reverse(s.begin() + p, s.begin() + j + 1);         p++;       }       for (int i = 0; i < n / 2 - k + 1; i++) {         int j = p;         while (s[j] !=  ) ) j++;         cout << p + 1 <<     << j + 1 <<   n ;         reverse(s.begin() + p, s.begin() + j + 1);         p++;       }       for (int i = 0; i < (k - 1) * 2; i++) {         if (i % 2 == 0) {           int j = p;           while (s[j] !=  ( ) j++;           cout << p + 1 <<     << j + 1 <<   n ;           reverse(s.begin() + p, s.begin() + j + 1);           p++;         } else {           int j = p;           while (s[j] !=  ) ) j++;           cout << p + 1 <<     << j + 1 <<   n ;           reverse(s.begin() + p, s.begin() + j + 1);           p++;         }       }     }   }   