Please note that the problem statements are slightly different as I filmed these videos as a tester, but the solutions and the tips/ideas given in the videos still all apply. Shout out to SpyrosAliv and cry for making this great contest and letting me test!

2106A - Dr. TC

My predicted rating: 800
https://www.youtube.com/watch?v=khGR0FhxwSk

2106B - St. Chroma

My predicted rating: 800
https://www.youtube.com/watch?v=rZQJVt56wdI

2106C - Cherry Bomb

My predicted rating: 1000
https://www.youtube.com/watch?v=XWtse2yl1HU

2106D - Flower Boy

My predicted rating: 1200
https://www.youtube.com/watch?v=zl2-U_B5IV0

2106E - Wolf

My predicted rating: 1600
https://www.youtube.com/watch?v=WieowMo4QiU

2106F - Goblin

My predicted rating: 1800
https://www.youtube.com/watch?v=BMYjI4aYhqU

2106G1 - Baudelaire (easy version)

My predicted rating: 1900
https://www.youtube.com/watch?v=Rcr91m3EyUk

I hope this helps for anyone who wanted a video tutorial!