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Water - Kareha #19

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Water - Kareha #19

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agesak
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@agesak agesak commented Apr 2, 2021

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@CheezItMan CheezItMan left a comment

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Nice work Kareha, you hit the learning goals here. Well done.

Comment on lines +19 to +21
# Time Complexity: O(logn)
# Space Complexity: O(logn)
def add(key, value = nil)

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👍 The time/complexities are correct if the tree is balanced and O(n) if unbalanced.

Comment on lines +42 to 44
# Time Complexity: O(logn)
# Space Complexity: O(logn)
def find(key)

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👍 The time/complexities are correct if the tree is balanced and O(n) if unbalanced.

Comment on lines +59 to 61
# Time Complexity: O(n)
# Space Complexity: O(n)
def inorder

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👍

Comment on lines +76 to 78
# Time Complexity: O(n)
# Space Complexity: O(n)
def preorder

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👍

Comment on lines +93 to 95
# Time Complexity: O(n)
# Space Complexity: O(n)
def postorder

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👍

Comment on lines +110 to 112
# Time Complexity: O(n)
# Space Complexity: O(n)
def height

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👍 The space complexity is O(n) if the tree is unbalanced and O(log n) if the tree is balanced.

Comment on lines +126 to 128
# Time Complexity: O(n*m)
# Space Complexity: O(n)
def bfs

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Because you are using .shift the time complexity is O(n^2), otherwise well done.

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2 participants