Submission #1284685

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284685		Rares	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
ifstream fin ("date.in");
ofstream fout ("date.out");
#define cin fin
#define cout fout

vector <int> rez,a;

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

vector <int> find_subset (int l, int 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 ());

    for (int i=n-1;i>=0;--i){
        if (s+v[i]>=l and s+v[i]<=r){
            a.push_back (p[i].second);
            s+=v[i];
            break;
        }
        if (s+v[i]+v[0]>r) continue;
        a.push_back (p[i].second);
        s+=v[i];
    }

    if (s>=l and s<=r) return a;
    a.clear ();
    s=0;
    for (int i=0;i<n;++i){
        if (s+v[i]>=l and s+v[i]<=r){
            a.push_back (p[i].second);
            s+=v[i];
            break;
        }
        if (i==n-1) continue;
        if (s+v[i]+v[i+1]>r) continue;
        a.push_back (p[i].second);
        s+=v[i];
    }
    if (s>=l and s<=r) return a;
    return rez;
}

int main()
{
    int n,l,r;
    cin >>n>>l>>r;
    vector <int> v;
    v.resize (n);
    for (int i=1;i<=n;++i){
        cin >>v[i-1];
    }
    vector <int> rez=find_subset (l,r,v);

    for (auto x:rez) cout <<x<<' ';
    return 0;
}

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/ccRL6ceA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc7jFwGj.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status