Submission #935792

#	Time	Username	Problem	Language	Result	Execution time	Memory
935792		SpyrosAliv	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll, ll>

vector<int> ans(int l, int r, vector<pll> w) {
    vector<int> a;
    for (int i = l; i < r; i++) {
        a.push_back(w[i].second);
    }
    return a;
}

vector<int> find_subset(ll lb, ll ub, vector<ll> w) {
    int n = w.size();
    vector<pll> arr;
    for (int i = 0; i < n; i++) {
        arr.push_back({w[i], i});
    }
    sort(arr.begin(), arr.end());
    int l = 0, r = 0;
    ll currSum = 0;
    while (r < n) {
        while (currSum < lb && r < n) {
            currSum += arr[r++].first;
        }
        while (currSum > ub && l < r) {
            currSum -= arr[l++].first;
        }
        if (currSum >= lb && currSum <= ub) {
            return ans(l, r, arr);
        }
        if (r < n) currSum += arr[r++].first;
    }
    return {};
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc52cO5Y.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