func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename T>   string toString(T x) {     if (x == 0) return  0 ;     bool negative = x < 0;     string res;     while (x) {       res.push_back( 0  + x % 10);       x /= 10;     }     if (negative) res.push_back( - );     reverse(res.begin(), res.end());     return res;   }   template <typename T>   T gcd(T a, T b) {     return a == 0 ? b : gcd(b % a, a);   }   template <typename T>   T lcm(T a, T b) {     return a / gcd(a, b) * b;   }   int main() {     string s;     cin >> s;     vector<int> a(s.length() / 2);     int m;     cin >> m;     for (int i = 0; i < m; i++) {       int t;       cin >> t;       t--;       a[t]++;     }     int l = s.length() / 2;     vector<bool> r(l);     int carry = 0;     for (int i = 0; i < l; i++) {       int t = a[i] + carry;       carry = t % 2;       r[i] = carry;     }     for (int i = 0; i < l; i++) {       if (r[i]) {         cout << s[s.length() - 1 - i];       } else {         cout << s[i];       }     }     if (s.length() % 2 == 1) {       cout << s[l];       l++;     }     for (int i = (s.length() + 1) / 2; i < s.length(); i++) {       if (r[s.length() - 1 - i]) {         cout << s[s.length() - 1 - i];       } else {         cout << s[i];       }     }     return 0;   }   