the author added a couple of timed events on the 2nd day; I suspect that cheating isn't necessary:)
"(Gameplay)
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{Hit-and-run} is a cheat!
The map can be completed without it. Absolutely.
Of course, you can use this cheat if you like being a loser :) "

"{Important!}
(Gameplay)
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According to the map settings, {Dismissal} and subsequent hiring of main heroes is prohibited.
This applies to the starting heroes of Haven. The others are not restricted.
But, unfortunately, we have a bug in Heroes 3 here.
Using this bug is a cheat.
You can, of course, cheat like that if you can't play without cheats :)"

Added 5 minutes later
Marlo_Stanfield, by the way, on the limes-inferior map, I managed to build bulls + vipers in the Stronghold on the 3rd week, I think I'm a week behind the 160% conditions in terms of progress. Is that one week of progress really that significant?