Submission #346588

#	Time	Username	Problem	Language	Result	Execution time	Memory
346588		Pety	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

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

using namespace std;

vector<int>array_sort;

bool cmp (int a, int b) {
  return array_sort[a] < array_sort[b];
}

int find_subset (int l, int u, int w[], int n, int result[]) {
  vector<int>index;
  index.resize(n);
  for (int i = 0; i < n; i++) {
    index[i] = i;
    array_sort.push_back(w[i]);
  }
  sort(index.begin(), index.end(), cmp);
  sort(w, w + n);
  int ind = n;
  long long sum =0;
  for (int i = n - 1; i >= 0; i--) {
    sum += w[i];
    if (sum >= l) {
      ind = i;
      break;
    }
  }
  if (ind == n)
    return 0;
  ind = n - ind;
  sum = 0;
  for (int i = 0; i < ind; i++)
    sum += w[i];
  int dr = n - 1;
  while (ind <= dr && sum < l) {
    sum += w[dr];
    sum -= w[n - dr - 1];
    dr--;
  }
  int m = 0;
  for (int i = n - dr - 1; i < ind; i++)
    result[m++] = index[i];
  for (int i = dr + 1; i < n; i++)
    result[m++] = index[i];
  return m;
}

Compilation message (stderr)

/tmp/ccp6P2xp.o: In function `main':
grader.cpp:(.text.startup+0x139): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status