#include "TTree.h"
#include "TBranchElement.h"
#include "TLeaf.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TFile.h"
#include "TChain.h"
#include "TStyle.h"
#include "TMath.h"

#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <stdlib.h>

using namespace std;


void problem(){

  TFile* file=new TFile("/publicfs/dyb/data/userdata/chloh/Project/Production/RadioActivity/AmC/Output/run000.rec.root","read");
  TTree *tree = (TTree*)file->Get("Event/CalibReadout/CalibReadoutHeader");

  if (!tree) {
    std::cout << "Error: tree not found." << std::endl;
    delete file;
    return;
  }
  tree->Print();

  UInt_t triggerTimeSec=1; 
  tree->SetBranchAddress("triggerTimeSec", &triggerTimeSec);


  Int_t nentries=tree->GetEntries();
  for(int jentry=0; jentry<2; jentry++){
    tree->GetEntry(jentry);
    cout<<"triggerTimeSec = "<<triggerTimeSec<<endl;
  }
}