Submission #706764

#	Time	Username	Problem	Language	Result	Execution time	Memory
706764		Yell0	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
 
using namespace std;
typedef pair<int,int> pii;
typedef long long ll;
 
int find_subset(int l,int u,vector<int> w,int n,vector<int>& result) {
  vector<pii> a;
  for(int i=0;i<n;++i) a.push_back({w[i],i});
  sort(a.begin(),a.end());
  int i=0,j=0;
  ll sum=0;
  for(;i<n;++i) {
    sum+=a[i].first;
    if(sum>=l) break;
  }
  if(sum<l) return 0;
  for(;j<=i;++j) {
    sum-=a[j].first;
    if(sum<=u) break;
  }
  if(sum>u) return 0;
  for(int x=0;x<=i-j;++x) result[x]=a[x+j].second;
  return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccOcyWTg.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