Submission #1192953

#	Time	Username	Problem	Language	Result	Execution time	Memory
1192953		yoshi	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define ss second
#define ff first
using namespace std;
ll df[1234567],ans;
vector<ll> vv[1234567];
vector<ll> find_subset(ll l ,ll u, vector<ll> w){
    ll n=w.size();
    vector<pair<ll,ll>> a;
    for(ll i=0; i<n; i++){
        a.pb({w[i], i});
    }
    sort(a.begin(), a.end());
    ll sum=0,k=0;
    for(ll r=0; r<n; r++){
        sum+=a[r].ff;
        if(sum>u){
            sum-=a[k].ff;
            k++;
        }
        if(sum>l){
            vector<ll> ans;
            for(ll i=k; i<=r; i++){
                ans.pb(a[i].ss);
            }
            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/ccAdx3id.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