938. Range Sum of BST
Medium
Given the root
node of a binary search tree and two integers low
and high
, return the sum of values of all nodes with a value in the inclusive range [low, high]
.
Example 1:
Example 2:
Constraints:
The number of nodes in the tree is in the range
[1, 2 * 104]
.1 <= Node.val <= 105
1 <= low <= high <= 105
All
Node.val
are unique.
解題
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