Alright, I’ve gotten “optimal” solutions for all of them except 6, 10, 13, and 14. Ended up coming up with the same solution for 6 and 14, so clearly I need to golf those more…
Did any lobsters manage to optimize all of them, or beat the “absolute best”? :-)
A quick Google search brought up All answers to returntrue.win with explanations.
I wish there was a way to see the current best solution, or at least some of the not-best-but-still-correct solutions
Fun idea. I knew #15 but 10-12 of the questions require pretty serious PHP knowledge.
As the security tag implies this is excellent practice for people who want to get into the Web category of CTFs. Unfortunately CTF skills don’t 100% translate to real-world penetration testing (I know many very successful security engineers/analysts who struggle with CTFs), but they’re definitely fun!