#include <iostream>
#include <vector>
#include <map>
using namespace std;
 
class Observation
{
	public:
	int getMonth() { return 0; }
};
 
class Sample 
{
	map<int, vector<Observation*>*> *m_observations = NULL;
	public:
	Sample(vector<Observation*> * vec_observations)
	{
   		this->m_observations = new map<int, vector<Observation*>*>;
 
   		vector<Observation*>::iterator it;
 
    	for(it = vec_observations->begin(); it != vec_observations->end(); it++){
      		(*m_observations)[(*it)->getMonth()]->push_back((*it));//ERROR LINE
    	}
 
	}
};
 
int main() 
{
	// your code goes here
	vector<Observation*> obsvec;
	Sample s(&obsvec);
	return 0;
}

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