Submission #1218889

#	Time	Username	Problem	Language	Result	Execution time	Memory
1218889		islam_2010	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

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

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

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/ccTEhzeN.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