Just Chopped Down 5 Males out of my 12/12 grow

Is this normal to have them preflower so soon???

Heres a pic of the males

Do they look good for I Think 3weeks of growth the others look the same

Should I Start feeding them flowering Nutes???

im confused

did u start the seeds in 12/12? are they autos? personally i would veg them out a bit so that you get some sort of a decent yield. are u sure they are males? i couldnt notice all boy or girl parts from the pics, but im also on my phone viewing this. anyways, usually the first feeding after 12/12 is when they get put on flowering regiment

Goodluck!