{
gStyle->SetOptStat(0);

TFile* f1 = new TFile("root_profile.root");

c1->Draw();

hp0->SetLineColor(kBlack);
hp1->SetLineColor(kRed);
hp2->SetLineColor(kBlue);
hp3->SetLineColor(kMagenta);

// comment this block
TF1* ff = new TF1("inve","1/x",0.5,200.0);
hp0->Multiply(ff);
hp1->Multiply(ff);
hp2->Multiply(ff);
hp3->Multiply(ff);
//
gPad->Modified();
gPad->Update();
}