func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<long long> blame(1002, 0);   vector<bool> visited(1002, false);   long long dfs(long long u) {     if (visited[u]) return u;     visited[u] = true;     return dfs(blame[u]);   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long n;     cin >> n;     for (long long i = 1; i <= n; i++) {       cin >> blame[i];     }     for (long long i = 1; i <= n; i++) {       cout << dfs(i) <<    ;       fill(visited.begin(), visited.end(), false);     }     return 0;   }   