Submission #683983

#	Time	Username	Problem	Language	Result	Execution time	Memory
683983		Juan	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ff first
#define ss second
#define int long long

vector<int> find_subset(int L, int R, vector<int> w){
	int n = w.size();
	vector<pii> arr;
	for(int i = 0; i < n; i++) arr.push_back({w[i], i});
	sort(arr.begin(), arr.end());
	vector<int> ans;

	int l=0, r=0, sum=0;
	while(r<n){
		if(sum<L) sum += arr[r++].ff;
		if(sum>R) sum -= arr[l++].ff;
		if(sum>=L && sum<=R){
			for(int i = l; i < r; i++) ans.push_back(arr[i].ss);
			break;
		}
	}
	return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccZp5wO7.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