Submission #974791

#	Time	Username	Problem	Language	Result	Execution time	Memory
974791		d4xn	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<signed> sb;
 
std::vector<signed> find_subset(int l, int u, std::vector<int> w) {
    int n = w.size();
  	
  	int sum = 0;
  	int R = -1;
  	while (R+1 < n && sum + w[R+1] <= u) {
      sum += w[++R];
      sb.push_back(R);
    }
  
  	if (l <= sum) return sb;
  
  	int L = n;
  	while (min(R, L-1) >= 0 && sum - w[R] + w[L-1] <= u) {
      sum += w[--L] - w[R--];
      sb.pop_back();
    }
  
  	for (int i = n-1; i >= L; i++) {
      sb.push_back(i);
    }
  
  	if (sum < l || u < sum) sb.clear();
    return sb;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccP9pIP0.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