#include <string>
#include "TString.h"
#include "TFile.h"
#include "TTree.h"
#include "TH1F.h"
#include "TDirectory.h"

int main()
{
	TFile* f = TFile::Open("converted_group_1.root");
	TTree* tree = (TTree*)f->Get("correlation_ttree");

	tree->Draw("n:time>>hist_tmp()","r==40");
	TH1F* htemp1 = (TH1F*)gDirectory->Get("hist_tmp");
	float* tmp_tab = htemp1->GetArray();

	return 0;
}