In the last div 4, my solution for the problem E Binary Inversions link to problemgot skipped due to the similarity of code from the user merahijalwa/181973274. first of all I don't know him and the similarity in code is due to code available in the geeks for geeks platform for counting the number of inversions in the array link to code from geeks for geeks website .
please consider this as this is a legit case and this is fist time i am going to reach pupil rank. please MikeMirzayanov , mesanu , flamestorm consider this case as my case is completely legit and nor i have use any online ides. If anyone know how to contact codeforces team..please comment.