Submission #1186944

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186944		GoBananas69	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
typedef long long ll;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<int> res;
    int sum = 0;
    for (int i = 0; i<n; ++i) {
        if (sum < l) { sum += w[i]; res.push_back(i + 1);}
        else if (sum > u) {
            return {};
        } else {
            return res;
        }
    }
    return {};
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    vector<int> res = find_subset(21, 23, {5, 5, 5, 5, 5, 5});
    for (int i = 0; i<res.size(); ++i) {
        cout << res[i] << '\n';
    }
}

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/ccS2l9Qi.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccbefljN.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status