| # | Time | Username | Problem | Language | Result | Execution time | Memory | 
|---|---|---|---|---|---|---|---|
| 1253973 | vpinx | 세계 지도 (IOI25_worldmap) | C++20 | 0 ms | 0 KiB | 
#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve() {
    int n, m;
    cin >> n >> m;
    
    vector<int> a(n), b(n);
    for (int i = 0; i < n; i++) cin >> a[i] >> b[i];
    
    vector<int> ans(n);
    iota(ans.begin(), ans.end(), 1);
    
    cout << 1 << "\n" << n << "\n";
    for (int i = 0; i < n; i++) cout << ans[i] << " ";
}
int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    solve();
    return 0;
}
