I don't think continueing to bash a new member for making a silly mistake, which Shy admits to, is furthering the cause of this forum. We are here to help.
There is hope for the pruple plant as a lot of the paint has come off. The leaves that stay purple may die but the green ones look healthy.
Here is a discussion we had in the Cactus and Succulent forum a couple years ago:
The thread "Painted Cactus update" in
Cactus and Succulents forum