func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, tc;     cin >> tc;     while (tc-- != 0) {       cin >> n;       if (n & 1) {         cout <<  7 ;         for (int i = 1; i < n / 2; i++) {           cout <<  1 ;         }       } else {         for (int i = 1; i <= n / 2; i++) {           cout <<  1 ;         }       }       cout << endl;     }   }   