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[Tree] 250. Count Univalue Subtrees 统计同值子树 #10

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jotoy opened this issue Jan 31, 2020 · 0 comments
Open

[Tree] 250. Count Univalue Subtrees 统计同值子树 #10

jotoy opened this issue Jan 31, 2020 · 0 comments

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@jotoy
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jotoy commented Jan 31, 2020

Given a binary tree, count the number of uni-value subtrees.

A Uni-value subtree means all nodes of the subtree have the same value.

For example:
Given binary tree,

          5
         / \
        1   5
       / \   \
      5   5   5

return 4.

明天继续吧~
@jotoy jotoy changed the title [Tree] Count Univalue Subtrees 统计同值子树 [Tree] 250. Count Univalue Subtrees 统计同值子树 Feb 1, 2020
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