What do k and d represent in the find function? I'm still confused about the find function, can you describe the iterations in more detail, step by step?
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What do k and d represent in the find function?
I'm still confused about the find function, can you describe the iterations in more detail, step by step?
This is the Python Code:
class TreeNode:
def __init__(self, v, l=None, r=None):
self.value = v
self.left = l
self.right = r
def find(n, v, k, d):
if v == n.value:
return 1
if k < d:
if n.left and find(n.left, v, k+1, d):
return 1
if n.right and find(n.right, v, k+1, d):
return 1
return 0
def deepening(n, v, d):
for k in range(0, d):
if find(n, v, k, d):
return 1
else:
return 0
def build_tree():
root = TreeNode('A')
root.left = TreeNode('B')
root.left.left = TreeNode('C')
root.right = TreeNode('D')
root.right.left = TreeNode('E')
root.right.right = TreeNode('F')
root.right.right.right = TreeNode('G')
return root
root = build_tree()
for v in ['C', 'E', 'F', 'G']:
print(deepening(root, v, 2))
output:
1
1
1
0
Step by step
Solved in 4 steps with 2 images
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