Submission #650471

#	Time	Username	Problem	Language	Result	Execution time	Memory
650471		Markomafko972	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;

const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);

vector<int> find_subset(ll l, ll u, vector<ll> w) {
	vector<int> sol;
	vector< pair<ll, int> > v;
	for (int i = 0; i < w.size(); i++) {
		v.push_back({w[i], i});
	}
	sort(v.begin(), v.end());
	
	ll zbr = 0;
	for (int i = 0; i < v.size(); i++) {
		zbr += v[i].X;
		sol.push_back(v[i].Y);
	
		if (zbr >= l && zbr <= u) break;
		
		if (zbr > u) {
			reverse(sol.begin(), sol.end());
			zbr -= w[sol.back()];
			sol.pop_back();
			
			if (zbr < l || zbr > u) assert(0);
			break;
		}
	}
	
	sort(sol.begin(), sol.end());
    return sol;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(ll, ll, std::vector<long long int>)':
molecules.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i = 0; i < w.size(); i++) {
      |                  ~~^~~~~~~~~~
molecules.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccFMuEF6.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