2026from public repositories
AlgoCTF Pre OSC 2026
5 challenges with 5 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories instead. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised5
The upstream scoreboard did not say, so neither do we.
Counter Offer
1 official solutionHotel Room Service 1
1 official solutionLink Lens
1 official solutionSixSeven Labs
1 official solutionWire Poppin
1 official solution