Path Sum Equal To Given Value
medium
1. Given the root of a binary tree and an integer targetSum, return the number of paths where the sum of the values along the path equals targetSum. 2. The path does not need to start or end at the root or a leaf,path can start from any where but it must go downwards
Constraints
0 <= Number of Nodes <= 10^5 -1000 <= value of Node data <= 1000
Format
Input
Input is managed for you.
Output
Output is managed for you.
Example
Sample Input
10 5 3 3 null null -2 null null 2 null 1 null null -3 null 11 null null
8
Sample Output
3