#include "TFile.h"
#include "TTree.h"
#include "TBranch.h"

void jagged() {
    TFile *f;
    f = new TFile("jagged.root", "RECREATE");
    f->SetCompressionLevel(0);
    TTree *t = new TTree("sample", "");
    Int_t n = 1;
    t->Branch("n", &n, "n/I", 50);
    Int_t test[2];
    Int_t count = 1;
    t->Branch("test", test, "test[n]/I", 50);
    for (int i=0; i<2; i++) {
        for (int j=0; j<count; j++) {
            test[n] = 5 + count + j;
        }
        printf("n = %d\n", n);
        printf("count = %d\n", count);
        t->Fill();
        count = count + 1;
    }
    t->Write();
    f->Close();
    exit(0);
}