func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve();   int main() {     solve();     return 0;   }   void solve() {     long long int n, x, y;     cin >> n >> x >> y;     if (n > y) {       cout << -1;       return;     }     if ((y - n + 1) * (y - n + 1) + n - 1 >= x) {       for (int i = 1; i < n; ++i) {         cout << 1 <<    ;       }       cout << y - n + 1;     } else       cout << -1;   }   