Data Structures & Algorithms – 1.19 (Reverse Pairs)

Data Structures & Algorithms – 1.19 (Reverse Pairs)

Data Structures & Algorithms – 1.19 (Reverse Pairs)

Reverse Pairs in the array : If i is less than j and Arr[i] is greater than 2*Arr[j] then Arr[i], Arr[j] forms a reverse pair.
Reverse Pairs explanation in comprehension form : If a bigger element comes before the larger element in the array and bigger is element is greater than twice the smaller element, then big, small element forms a reverse pair.

This video illustrates different approaches to find all reverse pairs in the given array.

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