Submission #498272

#	Time	Username	Problem	Language	Result	Execution time	Memory
498272		OrazB	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#define N 100005
#define ll long long int
#define pii pair <long long, long long>
#define pb push_back
#define ff first
#define ss second
using namespace std;

vector <ll> find_subset(ll l, ll u, vector <ll> w){
	ll sm = 0, tr = 0;
	vector <pii> v;
	vector <ll> ans;
	for (int i = 0; i < w.size(); i++) v.pb({w[i], i});
	sort (v.begin(), v.end());
	for (int i = 0; i < v.size(); i++){
		sm += v[i].ff;
		ans.pb(v[i].ss);
		if (sm >= l and sm <= u){tr = 1; break;}
	}
	if (!tr) ans.clear();
	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<long long int> find_subset(long long int, long long int, std::vector<long long int>)':
molecules.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < w.size(); i++) v.pb({w[i], i});
      |                  ~~^~~~~~~~~~
molecules.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for (int i = 0; i < v.size(); i++){
      |                  ~~^~~~~~~~~~
/usr/bin/ld: /tmp/cc3YvcTp.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