Given a Binary Tree and a sum s, your task is to check whether there is a root to leaf path in that tree with the following sum . You are required to complete the function **hasPathSum****. **You should not read any input from stdin/console. There are multiple test cases. For each test case, this method will be called individually.

**Input:**

The task is to complete the function **hasPathSum **which takes 2 arguments, root of the Tree and a value sum. The struct node has a data part which stores the data, pointer to left child and pointer to right child.

There are multiple test cases. For each test case, this method will be called individually.

**Output:**

The function should return the true if such path exist else return false.

**Constraints:**

1 <=T<= 30

1 <=Number of nodes<= 100

1 <=Data of a node<= 1000

**Example:**

**Input**

2

2

1 2 L 1 3 R

2

2

1 2 L 1 3 R

4

**Output **

0

1

In above example there are two test case where each represents a tree with 3 nodes and 2 edges where root is 1, left child of 1 is 2 and right child of 1 is 3.

**Note:** The **Input/Ouput** format and **Example** given are used for system's internal purpose, and should be used by a user for **Expected Output** only. As it is a function problem, hence a user should not read any input from stdin/console. The task is to complete the function specified, and not to write the full code.

Author: Shubham Joshi 1

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