Please help me to solve this problem. Please read tips for efficient and successful posting and posting code ROOT Version: Not Provided Platform: Not Provided Compiler: Not Provided [2D]

Ok, instead of discussing which ROOT version has it or not, I made a new version of the macro which does not depend on the line width = 0: { gStyle->SetFrameFillStyle(0); TCanvas *c1 = new TCanvas("c1", "c1",900,900); gStyle->SetOptStat(0); TPad *h2_pad = new TPad("h2_pad", "h2_pad",0.0,0.0,1.…