Submission #1298406

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298406		baldy	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

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


vector<int> find_subset(int l,int u,vector<int> initial) {
	int n = (int)initial.size();
	sort(initial.begin(),initial.end());
	int sum = 0;
	int j = 0;
	set<int> ans;
	for(int i = 0;i < n;i++){
		sum+=initial[i];
		ans.insert(i+1);
		while(j <= i && (sum <= u && sum >= l)){
			sum = sum - initial[j];
			ans.erase(j+1);
			j++;
		}
	}
	vector<int> final(ans.begin(),ans.end());
	return final;


}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
   // cin >> t;
    while (t--){
	   int n,l,u; cin >> n >> l >> u;
	   vector<int> v(n);
	   for(int i =0;i < n;i++) cin >> v[i];
	   vector<int> ans = find_subset(l,u,v);
	   for(int i= 0;i < (int) ans.size();i++) cout << ans[i] << " ";
	   cout << endl;
    }
}

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/ccdOPQlX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZ6wGjy.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status