Submission #1205580

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205580		ziewacz	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "molecules.h"
#define imie(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
const int mod=1e9+7;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<pair<int, int>> v(n);
    for(int i = 0; i < n; i++) {
        v[i] = {w[i], i};
    }
    sort(v.begin(), v.end());
    int le = 0, r = 1;
    ll S = v[0].first;
    while(le < n && r < n) {
        imie(S);
        if(S < l) {
            S += v[r++].first;
        } else if(S > u) {
            S -= v[le++].first;
        }
        else {
            vector<int> ans;
            for(int i = le; i < r; i++) {
                ans.push_back(v[i].second);
            }
            return ans;
        }
    }
    return {};
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    return 0;
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/ccP9DUp6.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTYwFuH.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status