#include <iostream>
#include <vector>
#include <set>
#include <iomanip>
#include <algorithm>
#include <functional>
#include <stdio.h>
#include <cmath>
#include <queue>
#include <string>
#include <map>
#include <unordered_map>
#include <fstream>
#include <complex>
#include <random>
#include <stack>
#include <chrono>
#include <set>
#include "molecules.h"
#define FOR(i,n) for(int i=0;i<n;i++)
#define FORE(i,a,b) for(int i=a;i<=b;i++)
#define ll long long int
#define vi vector<ll>
#define ii pair<int,int>
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define pll pair<ll,ll>
#define cd complex<double>
#define ld long double
#define pld pair<ld,ld>
#define iii pair<ii,int>
#define vv vector
using namespace std;
const int MAXN = 500000 + 10;
vi find_subset(int l,int u,vi w){
int n = w.size();
int lptr = 0;
vv<ii> ids;
FOR(i,n)ids.pb({w[i],i});
sort(ids.begin(), ids.end());
ll sum = 0;
FOR(i,n){
sum += ids[i].ff;
if(l <= sum and sum <= u){
vi t;
FORE(j,lptr,i){
t.pb(ids[j].ss);
}
sort(t.begin(), t.end());
return t;
}
while(sum > u){
sum -= ids[lptr++].ff;
if(lptr > i)break;
}
}
vi x;
return x;
}
Compilation message
/tmp/cc6SpouD.o: In function `main':
grader.cpp:(.text.startup+0x152): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status
