Submission #853068

#	Time	Username	Problem	Language	Result	Execution time	Memory
853068		_uros9	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;

const long long longlongmax=9223372036854775807;
const int modul=998244353;
const long long mod = 1e9 + 7;

vector<int> find_subset(int l,int u,vector<int> w){
    int n=w.size();
    vector<int> rez(0);
    vector<pair<int,int>> niz(n);
    for(int i=0; i<n; i++)
        niz[i]={w[i],i};
    sort(niz.begin(),niz.end());
    if(niz[0].first>u) return rez;
    vector<int> pref(n+1,0);
    for(int i=0; i<n; i++){
        pref[i+1]=pref[i];
        pref[i+1]+=niz[i].first;
    }
    bool ok=false;
    int ll,dd;
    pref.push_back(1e15);
    /*for(auto x:pref)
        cout << x << " ";
    cout << endl;*/
    for(int i=0; i<n&&!ok; i++){
        int ind=lower_bound(pref.begin(),pref.end(),pref[i]+l)-pref.begin();
        //cout << pref[i] << " " << pref[ind] << endl;
        if(pref[ind]-pref[i]>u) continue;
        ok=true;
        ll=i;
        dd=ind;
    }
    if(!ok) return rez;
    for(int i=ll; i<=dd-1; i++)
        rez.push_back(niz[i].second);
    /*for(auto x:rez)
        cout << x << " ";*/
    return rez;
}



signed main()
{

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    //freopen("factory.in","r",stdin);
    //freopen("factory.out","w",stdout);

    int n,l,u;
    cin >> n >> l >> u;
    vector<int> w(n);
    for(auto&x:w)
        cin >> x;
    vector<int> rez=find_subset(l,u,w);
    for(auto x:rez)
        cout << x << " ";
    cout << endl;

    return 0;
}
/*
    abcde
    01234
    04321 --> 12340
              0   1
    011
    110


*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccIoyAFH.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccxZwU3I.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccIoyAFH.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status