Two elements with maximum difference - PrismoSkills
For example, in the following array [30, 12, 15, 22, 25, 7, 18], the elements with maximum difference are 12 and 25
Note that neither 12 nor 25 are the maximum or the minimum of the array and yet they have the maximum difference.
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For example, in the following array [30, 12, 15, 22, 25, 7, 18], the elements with maximum difference are 12 and 25
Note that neither 12 nor 25 are the maximum or the minimum of the array and yet they have the maximum difference.
1) If 2 elements have the maximum difference, then those 2 elements must be the maximum and minimum among the elements between those 2 elements. There may be other maximum/minimum elements outside the elements between these 2 elements.
2) Keep track of the minimum elements found so far and the maximum difference found so far with that element. If a new minimum is found lower than current minimum, then we will need a new difference to beat the current difference. But that new difference will clearly use the new minimum element. This implies that older minimum continues to be in the solution until a greater difference is found with the new minimum.
Read full article from Two elements with maximum difference - PrismoSkills
