Area of a triangle
Basic Accuracy: 37.48% Submissions: 347 Points: 1

Given three sides of a triangle A, B and C in the form of integers. Find the area of the triangle.
Note: The triangle may not exist. In such cases, the area is 0.

Example 1:

Input: A = 2, B = 2, C = 3
Output: 1.984313
Explanation:
The area formed by the triangle whose
sides are 2,2 and 3 units respectively is
1.984313 units2.

Example 2:

Input: A = 1, B = 3, C = 1
Output: 0.000
Explanation:
Such a triangle does not exist whose
sides are 1,3 and 1 respectively.Thus,Area is
0.

You don't need to read input or print anything.Your Task is to complete the function findArea() which takes three integers A,B and C as input parameters and returns the area of the triangle formed by the three integers as sides.

Note: Output the answer upto 3 decimal points

Expected Time Complexity:O(1)
Expected Auxillary Space:O(1)

Constraints:
1<=A,B,C,<=104

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