Try:
gStyle->SetOptFit(0013);
root [0] 0011
(const int)9
root [1] 0012
(const int)10
root [2] 0013
(const int)11
root [3] 11
(const int)11
Try:
gStyle->SetOptFit(0013);
root [0] 0011
(const int)9
root [1] 0012
(const int)10
root [2] 0013
(const int)11
root [3] 11
(const int)11