func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long int n, k;     cin >> n >> k;     string s;     cin >> s;     string ans =   ;     long long int reqd = k / 2, op = 0, cl = 0;     for (auto x : s) {       if (op < reqd) {         if (x ==  ( ) {           ans.push_back(x);           op++;         }       }       if (cl < reqd) {         if (x ==  ) ) {           ans.push_back(x);           cl++;         }       }       if (op == reqd and cl == reqd) {         break;       }     }     cout << ans <<   n ;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     solve();   }   