Hi
I tried to figure it out, but I didn’t get. can any one explain this code. what exactly doing.
for i in range(N):
A[i] -= i + 1;
if A[i] > 0:
inversions += A[i];
elif A[i] < -1:
inversions -= A[i] + 1;
It’s about logic, what he/she righten.
click here for orginal code