Every week I see problem organizers thank MikeMirzayanov for this platform, but I am unsure if their appreciation extends to the search functionality. Maybe they are utilizing searches differently; I mainly use it to wait a few minutes for no results.

Currently in the Round 1074 standings it appears as though I made three successful hacks:

However I have submitted only two unique successful hacks. One of my three hacks was a duplicate, with the same input against the same person:

Why is the duplicate counted in the standings? If Round 1074 was a Div. 2 Round and hacks were rated, would the duplicate count towards my total score? If not, why allow duplicates? They make the scoreboard count meaningless, as anyone who can get one hack can get 10.

I want to ask because there is little information on hacks in the contest rules:

Using the Codeforces API, I downloaded data for the entire Codeforces problem set. I plotted the average problem rating of Codeforces Rounds over time:

Interestingly, it seems like Division 4 problems are converging with those of Division 3. At this rate, Division 4 will be as difficult as Division 1 by the year 2058 or by Round 3284!