Median of two Sorted Arrays

Given two sorted arrays A and B of sizes n, m respectively. Find the median of these two arrays in O(1) space i.e. find the median without actually merging the two arrays.

Input Format
First line contains two integers - n, m
Next two lines contain n and m integers respectively.

Output Format
Single integer denoting the median of the given arrays.

```
Sample Input
3
4
1 3 6
2 4 8 10
Sample Output
4

Explanation
Array - 1 2 3 4 6 8 10
Median - 4
```

```
Sample Input
4
4
1 3 6 9
2 4 8 10
Sample Output
5

Explanation
Array - 1 2 3 4 6 8 9 10
Median - (4+6)/2 = 5
```
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