Daily "Pace Car" Problems (Optional Extra Credit problems: do 20 to skip Project 3)

I'll try to release an interesting topical problem each class. These help you keep pace with the mastery tasks.

PCP1: Write, compile, execute a C program to solve https://projecteuler.net/problem=25

PCP2: (little tougher) firstchecker

PCP3: findtheflag

PCP4: (IMPORTANT) Mastery A and B in one: Learn To See/C

PCP5: Reverse Me

PCP6: A Python Reverse

PCP7: Write a crackme for your fellow students and solve one student crackme.

PCP8: Solve the first of the 0-hero problems at https://sec.prof.ninja/challenge/, you'll just say "got it" in the discord, maybe your pwntools script.

PCP9:Live one: baby.zip at nc 138.197.68.115 8085

PCP10:Brand-New For You 1: b1 at nc 138.197.68.115 8081

PCP11:Brand-New For You 2: b2 at nc 138.197.68.115 8082

PCP12:Brand-New For You 3: b3 at nc 138.197.68.115 8083

PCP13: LIVE ONE! Hackme.zip running at nc 138.197.68.115 8180

PCP14: LIVE ONE! decaf 32-bit also in args.zip running at nc 138.197.68.115 1337

PCP15: LIVE ONE! decaf64 in args.zip running at nc 138.197.68.115 1338

PCP16: LIVE ONE! ret2libc.zip running at nc 138.197.68.115 1339

PCP17: LIVE ONE! targetjump chall_08 from speedruns running at nc 138.197.68.115 1341

PCP18: LIVE ONE! gotmilk.zip running at nc 138.197.68.115 1340

PCP19: LIVE ONE! stealers.zip running at nc 138.197.68.115 1774

PCP20: RESET/SIMPLE ONE! Run either of the two scripts from class using gdb with pwndbg and after a malloc vis the heap, take a screenshot and share.