Help me in solving ZCO22001 problem

My issue

Unable to see the status of my code. I got 73/100 but unable to see which subtasks were failed and which got passed. Is it intentional? or is it some kind of glitch?
Submission : 1029782068

Problem Link: ZCO22001

Thanks anyway I was unable to find the link in ZCO pyqs at codechef

The pre -requisite is 2d prefix. Try using that it would be very simple