Submission #600240

#	Time	Username	Problem	Language	Result	Execution time	Memory
600240		Fidan	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll> find_subset(int l, int u, vector<ll> w1) {
	
	vector<ll> cvb;
	
	ll n=w1.size(), i, c1=-1, c2=-1;
	vector<pair<ll, ll>> w;
	
	w.push_back({0, 0});
	
	for(i=0; i<n; i++){
		w.push_back({w1[i], i+1});
	}
	
	sort(w.begin(), w.end());
	
	vector<ll> v(n+1, 0);
	for(i=1; i<=n; i++){
		v[i]=v[i-1]+w[i].first;
	}
	
	for(i=1; i<=n; i++){
		ll lo=i, hi=n;
		while(lo<=hi){
			ll mid=(lo+hi)/2;
			if(v[mid]-v[i-1]<l) lo=mid+1;
			else if(v[mid]-v[i-1]>u) hi=mid-1;
			else {
				c1=i, c2=mid;
				break;
			}
		}
	}
	
	if(c1==-1) return cvb;
	
	for(i=c1; i<=c2; i++){
		cvb.push_back(w[i].second-1);
	}
	return cvb;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc28XS8L.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