func_code_string: #include <bits/stdc++.h>   using namespace std;   struct abc {     int p, q, idx;   };   bool compareTwoStudents(abc a, abc b) {     if (a.p != b.p) return a.p < b.p;     return (a.q < b.q);   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int i, j, k, m, n, t, u, v, w, p = 0, q, flag = 0;     long long int x, y, z;     string s, s1, s2;     vector<int> abc;     vector<int>::iterator it;     priority_queue<int> pq;     map<int, int> make_pair;     cin >> t;     while (t--) {       std::cin >> n;       std::cout << n <<   n ;     }     return 0;   }   