func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1e9 + 7;   const double err = 1e-12;   const double PI = 3.141592653589793;   const int N = 1e5 + 5;   int n;   vector<int> res;   void solve() {     cin >> n;     if (n & 1) {       cout << 1 <<    ;       n--;       for (int i = 2; i <= n; i += 2) cout << i + 1 <<     << i <<    ;       cout << endl;     } else {       cout << n <<    ;       n--;       for (int i = 2; i <= (n - 1); i += 2) cout << i + 1 <<     << i <<    ;       cout << 1 << endl;     }   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int t = 1;     while (t--) solve();     return 0;   }   