Submission #1150526

#	Time	Username	Problem	Language	Result	Execution time	Memory
1150526		eldorbek_008	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

using namespace std;
#define int long long

vector<int> find_subset(int l, int r, vector<int> w) {
  int n = w.size();
  vector<array<int, 2>> a(n);
  for (int i = 0; i < n; i++) {
    a[i][0] = w[i];
    a[i][1] = i;
  }
  sort(a.begin(), a.end());
  int i = 0, j = 0;
  int lx = -1, rx = -1;
  int sum = 0;
  while (i < n and j < n) {
    sum += a[j][0];
    if (l <= sum and sum <= r) {
      lx = i;
      rx = j;
      break;
    }
    if (sum < l) {
      j += 1;
    } else {
      sum -= a[i][0] + a[j][0];
      i += 1;
    }
  }
  vector<int> id;
  if (rx >= n or rx < 0) {
    return id;
  }
  for (int i = lx; i <= rx; i++) {
    id.push_back(a[i][1]);
  }
  sort(id.begin(), id.end());
  return id;
}

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/ccbxWV5E.o: in function `main':
grader.cpp:(.text.startup+0x173): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status