Submission #853173

#	Time	Username	Problem	Language	Result	Execution time	Memory
853173		parsadox2	Detecting Molecules (IOI16_molecules)	C++14	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 r , vector <int> t)
{
	vector <pair<int ,int>> ar;
	int n = t.size();
	for(int i = 0 ; i < n ; i++)
		ar.push_back({t[i] , i + 1});
	sort(ar.begin() , ar.end());
	vector <int> res;
	int num = 0 , sum = 0;
	for(int i = n - 1 ; i > -1 ; i--)
	{
		sum += ar[i].first;
		num++;
		if(sum >= l)
			break;
	}
	num--;
	if(sum < l)
		return res;
	int sum2 = 0;
	for(int i = 0 ; i <= num ; i++)
		sum2 += ar[i].first;
	if(sum2 > r)
		return res;
	int las = n - 1;
	while(sum2 < l)
	{
		sum2 += (ar[las].first - ar[num].first);
		num--;
		res.push_back(ar[las].second);
		las--;
	}
	for(int i = num ; i >= 0 ; i--)
		res.push_back(ar[i].second);
	reverse(res.begin() , res.end());
	return res;
}

signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);  cout.tie(0);
	int l , r , n;
	cin >> l >> r >> n;
	vector <int> man;
	for(int i = 0 ; i < n ; i++)
	{
		int x;  cin >> x;
		man.push_back(x);
	}
	vector <int> res = find_subset(l , r , man);
	for(auto u : res)
		cout << u << " ";
	cout << endl;
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccNc0zHo.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccERfvQn.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccNc0zHo.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