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  1. class No:
  2.     def __init__(self, dado):
  3.         self.esq = None
  4.         self.dir = None
  5.         self.dado = dado
  6.  
  7.     def __str__(self):
  8.         s = '(' + str(self.dado) + ','
  9.         if self.esq != None:
  10.             s += str(self.esq) + ','
  11.         else:
  12.         	s += 'X,'
  13.         if self.dir != None:
  14.             s += str(self.dir) + ')'
  15.         else:
  16.         	s += 'X)'
  17.         return s
  18.  
  19. class Arvore:
  20.     def __init__(self):
  21.         self.raiz = None
  22.     def pegarRaiz(self):
  23.         return self.raiz
  24.  
  25.     def inserir(self, val):
  26.         if self.raiz == None:
  27.             self.raiz = No(val)
  28.         else:
  29.             self._inserir(val, self.raiz)
  30.  
  31.     def _inserir(self, val, node):
  32.         if val < node.dado:
  33.             if node.esq != None:
  34.                 self._inserir(val, node.esq)
  35.                 node.esq.pai = node
  36.             else:
  37.                 node.esq = No(val)
  38.         else:
  39.             if node.dir != None:
  40.                 self._inserir(val, node.dir)
  41.                 node.dir.pai = node
  42.             else:
  43.                 node.dir = No(val)
  44.  
  45.     def resp(self):
  46.         if self.raiz != None:
  47.             return self._resp(self.raiz)
  48.  
  49.     def _resp(self, node):
  50.         aux_esq = 0
  51.         aux_dir = 0
  52.         if node.esq != None:
  53.             aux_esq = self._resp(node.esq)
  54.         if node.dir != None:
  55.             aux_dir = self._resp(node.dir)
  56.         if (node.esq != None) or (node.dir != None):
  57.             return 1 + aux_esq + aux_dir
  58.         else:
  59.             return 0
  60.  
  61.     def __str__(self):
  62.         if self.raiz != None:
  63.             return str(self.raiz)
  64.         else:
  65.             return 'X'
  66.  
  67. T = Arvore()
  68. T.inserir(15)
  69. T.inserir(9)
  70. T.inserir(5)
  71. T.inserir(12)
  72. T.inserir(20)
  73. print(T.resp())
  74. print(T)
Success #stdin #stdout 0.02s 9372KB
comments (?)
stdin 
Standard input is empty
stdout 
2
(15,(9,(5,X,X),(12,X,X)),(20,X,X))
https://ideone.com/J81Nms
language:
Python 3 (python  3.12)
created:
7 years ago
visibility:
public

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