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Update bt_bfs.py

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bt3gl 2023-08-08 14:16:02 -07:00 committed by GitHub
parent 95fd556031
commit 1044a13ad9
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1 changed files with 1 additions and 6 deletions
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trees/bt_bfs.py
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@ -8,9 +8,6 @@ def bfs_iterative(root) -> list:
result = [] result = []
queue = collections.deque([root]) queue = collections.deque([root])
if root is None:
return result
while queue: while queue:
node = queue.popleft() node = queue.popleft()
@ -26,9 +23,7 @@ def bfs_iterative(root) -> list:
def bfs_recursive(root) -> list: def bfs_recursive(root) -> list:
result = [] result = []
if root is None:
return root
def helper(node): def helper(node):
if node: if node: