32 lines
391 B
Python
32 lines
391 B
Python
|
|
class TreeNode:
|
|
|
|
def __init__(self, val):
|
|
|
|
self.val = val
|
|
self.left = None
|
|
self.right = None
|
|
|
|
'''
|
|
|
|
'''
|
|
def printKdistance(root, k):
|
|
|
|
if k==0:
|
|
print( root.val )
|
|
return
|
|
|
|
printKdistance(root.left, k-1)
|
|
printKdistance(root.right, k-1)
|
|
|
|
|
|
|
|
|
|
|
|
root = TreeNode(1)
|
|
root.left = TreeNode(2)
|
|
root.right = TreeNode(3)
|
|
|
|
printKdistance(root, 1)
|
|
|