#1494Medium#17 in Meta's list· asked at 5 companies
Path Sum II
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What we know
Example 1
Input: root = [5,4,8,11,null,13,4,7,2,null,null,5,1], targetSum = 22 Output: [[5,4,11,2],[5,8,4,5]]
Example 2
Input: root = [1,2,3], targetSum = 5 Output: []
Constraints
- •
The number of nodes in the tree is in the range
[0, 5000]. - •
-1000 <= Node.val <= 1000 - •
-1000 <= targetSum <= 1000