Submission #1253973

#	Time	Username	Problem	Language	Result	Execution time	Memory
1253973		vpinx	World Map (IOI25_worldmap)	C++20	Compilation error	0 ms	0 KiB

worldmap

#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;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccpQe2pO.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccWR9ngO.o:worldmap.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccpQe2pO.o: in function `main':
grader.cpp:(.text.startup+0x635): undefined reference to `create_map(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status