Submission #1284694

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284694		Rares	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

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

typedef long long ll;
vector <int> rez;

ll s,n;
vector <pair <int,int>> p;
vector <int> a;

vector <int> find_subset (ll l, ll r, vector <int> v){
    n=v.size ();
    for (int i=0;i<n;++i){
        p.push_back ({v[i],i});
    }
    sort (p.begin (),p.end ());

    sort (v.begin (),v.end ());

    int j=0;
    for (int i=0;i<n;++i){
        s+=v[i];
        while (j<=i and s>r){
            s-=v[j];
            j++;
        }
        if (s>=l){
            for (int k=j;k<=i;++k){
                a.push_back (p[k].second);
            }
            return a;
        }
    }
    return a;
}

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/ccr8wZme.o: in function `main':
grader.cpp:(.text.startup+0x165): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status