Submission #868300

#	Time	Username	Problem	Language	Result	Execution time	Memory
868300		LOLOLO	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())

const int N = 1e6 + 100;
ll a[N];

vector <int> find_subset(ll l, ll r, vector <ll> arr) {
    vector <pair <ll, ll>> v;
    for (int i = 0; i < sz(arr); i++)
        v.pb({arr[i], i});

    sort(all(v));
    vector <int> lst;

    ll s = 0, st = 0;
    for (int j = 0; j < sz(v); j++) {
        s += v[j].f;
        while (s > r) {
            s -= v[st].f;
            st++;
        }

        if (s >= l) {
            for (int f = st; f <= j; f++) {
                lst.pb(v[f].s);
            }

            return lst;
        }
    }

    return {0};
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccfDD52M.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