π³<br>ββπΏ<br>ββπΏ
[π’|π]β[π’|π]β[π’|π]βNULL
π³οΏ½π±
π ±οΈ[π|π]π³
InputsβHiddenβOutput:
#branching structure #tree diagram #node structure #parent-child relationship #root node #leaf node #general hierarchy