News

Tiebreaker

6 months, 1 week ago

In order to resolve ties, a non-deterministic tiebreaker problem (i.e., scored with a continuous/non-binary) will be released to all competitors with perfect scores in the overall contest on Sunday, May 14th at 12:00 PM. Solutions will be due one week later on Sunday, May 21st at 12:00 PM.

Qualified teams will receive an email by Saturday, May 13th at 4:00 PM EDT to confirm their email address. If you are a team with a perfect score and have not received an email by that time, please email contact@pactf.com.

Update II

6 months, 2 weeks ago

We have added more prizes! Check out the prizes for more details. Teams with perfect scores in both rounds will be contacted soon to administer a tie breaker for the overall contest. All winners will be officially confirmed after the tie breaker has ended.

Update I

6 months, 3 weeks ago

We are currently working behind the scenes. Please wait for further updates, which will be posted here later in the week.

Problem Updated

6 months, 4 weeks ago
This announcement affects the following problems: Impossible Conditions

The binary file for this problem has been corrected.

Problem Updated

6 months, 4 weeks ago
This announcement affects the following problems: XOR 2

The file for this problem has been corrected.

Problem Updated

6 months, 4 weeks ago
This announcement affects the following problems: Decider.

The binary for this problem has been corrected, and the flag has been changed. Any teams which had solved this problem should solve it again.

Problem Updated

6 months, 4 weeks ago
This announcement affects the following problems: PACTF DRM

The binary file for this problem has been updated, but the flag has not been changed. Teams which had already solved this problem do not need to solve it again.

Problem Updated

6 months, 4 weeks ago
This announcement affects the following problems: Remember md5?

Please note that the description for this problem has been modified.

Round 2 has started!

7 months ago

Round 2, Boole, has started! Once you’re ready, head over to the game page to start your timer.

Your team can start its 48-hour timer to view and solve problems anytime this week. Boole ends at 11:59 PM EDT on Sunday, April 30.