The peer complained that the API I posted on code review does not work. Need to work on the issue.

Leetcode4_medianOfTwoSortedArray API

It was my pleasure meeting you.  Wow you are smart if you can solve this problem! I sure couldn’t.  
So I tried your solution in leetcode and I’m not quite getting 100% pass.  Am I calling it incorrectly?

This Is my calling code:

4. Median of Two Sorted Arrays 

https://leetcode.com/problems/median-of-two-sorted-arrays/description/ 

public double FindMedianSortedArrays(int[] A, int[] B)
{
       int n = A.Length;
       int m = B.Length;
       bool isEven = (m + n) % 2 == 0;

       int l = 0;
       int r = m + n - 1;
       
       int mi1 = l + (r - l) / 2;
       int mi2 = mi1 + 1; 

       if (n == 0)
              return  (!isEven) ? B[mi1] : (B[mi1] + B[mi2]) / 2.0;
              
       if (m == 0)
              return  (!isEven) ? A[mi1] : (A[mi1] + A[mi2]) / 2.0;

       if (isEven)
       {
              double mVal1 = FindKthLargestElement(A, B, mi1);
              double mVal2 = FindKthLargestElement(A, B, mi2); 

              return (mVal1 + mVal2) / 2.0;
       }
       else
       {
              return FindKthLargestElement(A, B, mi1);
       }
}

Input:[1,3]

[2]

Output:1.00000

Expected:2.00000