func_code_string: #include <bits/stdc++.h>   using namespace std;   long long gcd(long long a, long long b) {     if (b == 0)       return a;     else       return gcd(b, a % b);   }   long long lcm(long long a, long long b) { return (a / gcd(a, b)) * b; }   bool isPrime(int n) {     if (n <= 1) return false;     if (n <= 3) return true;     if (n % 2 == 0 || n % 3 == 0) return false;     for (int i = 5; i * i <= n; i = i + 6)       if (n % i == 0 || n % (i + 2) == 0) return false;     return true;   }   struct segment {     int start;     int end;   };   struct monster {     int a;     int b;     int nof_to_kill;     monster(int attack, int health) {       a = attack;       b = health;     }     bool operator<(const monster &new_monster) const {       return (nof_to_kill * a < new_monster.nof_to_kill * new_monster.a);     }   };   void solution() {     int64_t n{};     cin >> n;     cout << -n + 1 <<     << n << endl;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int t;     cin >> t;     while (t--) {       solution();     }     return 0;   }   