## Count inversions in an array | Set 3 (Using BIT)

Inversion Count for an array indicates – how far (or close) the array is from being sorted. If array is already sorted then inversion count… Read More »

## Count inversions in an array | Set 2 (Using Self-Balancing BST)

Inversion Count for an array indicates – how far (or close) the array is from being sorted. If array is already sorted then inversion count… Read More »

## Counting Inversions using Set in C++ STL

Inversion Count for an array indicates – how far (or close) the array is from being sorted. If array is already sorted then inversion count… Read More »

## Time complexity of insertion sort when there are O(n) inversions?

What is an inversion? Given an array arr[], a pair arr[i] and arr[j] forms an inversion if arr[i] < arr[j] and i > j. For… Read More »

## Count Inversions in an array | Set 1 (Using Merge Sort)

Inversion Count for an array indicates – how far (or close) the array is from being sorted. If array is already sorted then inversion count… Read More »