docker_space/frontier_cs_2/examples/gpt5_medium_2.cpp

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    if (!(cin >> n)) return 0;

    cout << 1;
    for (int i = 1; i <= n; ++i) cout << " " << i;
    cout << "\n";
    cout.flush();

    return 0;
}