i am not getting how to get median index
will u please help
Median of sorted arrays
Here is the approach:
- Calculate the medians m1 and m2 of the input arrays ar1[] and ar2[] respectively.
- If m1 and m2 both are equal then we are done. return m1 (or m2) .
- If m1 is greater than m2, then median is present in one of the below two subarrays.
a) From first element of ar1 to m1 (ar1[0…| n/2 |]) .
b) From m2 to last element of ar2 (ar2[| n/2 |…n-1]) . - If m2 is greater than m1, then median is present in one
of the below two subarrays.
a) From m1 to last element of ar1 (ar1[| n/2 |…n-1]) .
b) From first element of ar2 to m2 (ar2[0…| n/2 |]) - Repeat the above process until size of both the subarrays becomes 2.
- If size of the two arrays is 2 then use below formula to get the median.
Median = (max(ar1[0], ar2[0]) + min(ar1[1], ar2[1]))/2
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