Submission #792982

#	Time	Username	Problem	Language	Result	Execution time	Memory
792982		prvocislo	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#pragma once
#include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <string>
#include <vector>
typedef long long ll;
typedef long double ld;
using namespace std;

vector<int> find_subset(ll l, ll r, vector<int> w)
{
	int n = w.size();
	vector<pair<int, int> > a;
	for (int i = 0; i < n; i++) a.push_back({ w[i], i });
	sort(a.begin(), a.end());
	vector<ll> pf(n + 1, 0);
	for (int i = 0; i < n; i++) pf[i + 1] = pf[i] + a[i].first;

	for (int k = 1; k <= n; k++) if (pf[k] <= r && pf[n] - pf[n - k] >= l)
	{
		for (int i = 0; i + k <= n; i++) if (l <= pf[i + k] - pf[i] && pf[i + k] - pf[i] <= r)
		{
			vector<int> id;
			for (int j = i; j < i + k; j++) id.push_back(a[j].second + 1);
			return id;
		}
	}
	return {};
}

Compilation message (stderr)

molecules.cpp:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/cct1GtyD.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status