Submission #1187031

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187031		orgiloogii	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

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

vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size();
	vector <pair <int, int>> p;
	p.push_back({0, 0});
	for (int i = 0;i < n;i++) {
		p.push_back({w[i], i});
	}
	sort(p.begin(), p.end());
	vector <int> res;
	int l1 = 1, r = 1;
	int suml = 0, sumr = 0;
	int sum = 0;
	while (r <= n && l1 <= n) {
		while (sum < l) {
			sum += p[r].first;
			r++;
		}
		while (sum > u) {
			sum -= p[l1].first;
			l1++;
		}
		if (sum <= u && sum >= l) {
			while (l1 < r) {
				res.push_back(p[l1].second);
				l1++;
			}
			return res;
		}
	}
	return res;
}

//int main() {
//}

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/ccMgy0ug.o: in function `main':
grader.cpp:(.text.startup+0x173): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status