First Steps
Brand new to competitive programming? Try these simple problems for a taste of what lies ahead!
Pak Ganern
Pak! Ganern! Pak, pak! Ganern, ganern!
Dubidubidapdap
Unlock an n-digit lock code and save your best friend Willie from being hypnotized by the trolls!
Next Generation Currency
Surely these coins aren't THAT hard to tell apart, right?
ABCs of Men and Women
How can a name tag be so hard to read?
Academic Recovery
Help Cindy save her research project on the Cordon Bleu virus by de-scrambling her data.
Braid
Everyone should know how to do a simple braid!
Five Needle Telegraph
Telegraphs have existed since even before Morse code, you know?