I think it would be better to just hit it roughly.
Draw a Halloween illust with AI
1st : 500pt
2nd : 400pt
3rd : 300pt
4th : 250pt
5th : 200pt
Selection criteria
1. Number of views, Like, Dislike; Order of popularity
2. Pretty, cute image image
3. wonderful, awsome image
I think it would be better to just hit it roughly.