at 9:20 how index 5 increment two times. at previous step it is incremented one times.
Doubt in inversion count
@sourabhboss the values in cumulative array will increase the way they generally do, it was just for explaining the concept don’t focus much on the value.
As you can also see at the last in the code,in update function the BIT is incremented by the val i.e. 1.
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