Submission #1299899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1299899		tuncay_pasha	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include "bits/stdc++.h"

#define int int64_t
#define vi vector<int>
#define vvi vector<vi>
#define pii pair<int, int>

using namespace std;

vector<int> find_subset(int l, int u, vi w) {
  vector<pii> v;
  for (int i = 0; i < w.size(); ++i) {
    v.push_back({w[i], i});
  }
  sort (v.begin(), v.end());
  int lp = 0, rp = 0, cur = w[0];
  while (lp < v.size() && rp < v.size()) {
    if (l <= cur && cur <= u) {
      vi ans;
      for (int i = lp; i <= rp; ++i) {
        ans.push_back(i);
      }
      return ans;
    }
    else if (cur < l) {
      if (rp + 1 >= v.size()) {
        break;
      }
      ++rp, cur += v[rp].first;
    }
    else {
      if (lp + 1 > rp) {
        break;
      }
      cur -= v[lp].first, ++lp;
    }
  }
  return {};
}

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/ccHxYAMS.o: in function `main':
grader.cpp:(.text.startup+0x165): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status