A preliminary version of the booklet with all solutions
is available as well. Other materials (source code, correct outputs, etc.) will be
available a bit later.
The current contest is already available in the Training Area. If you want to finish
debugging your programs before reading the solutions, head over there.
2017-07-08 10:52:00 UTC
Problem L: There is a small mistake in the problem statement, section "Example of
gameplay". Instead of "24 red and 22 black cards" the correct counts should obviously be
"23 red and 23 black cards".
Update: We've changed the example in the problem statement. Now Yvonne chooses "red, red, black",
and Zara chooses "black, black, black", so 24 red and 22 black cards remain in the deck.
2017-07-08 09:10:00 UTC
Clarification requests during the contest can be submitted via the following channels (in
decreasing order of preference):
If you have a XMPP-compatible chat client, you may talk to us at ipsc-org@swissjabber.org
Otherwise, send us an e-mail to ipscreg [at] ksp.sk
2017-07-08 09:02:00 UTC
We'd like to remind you that you'll need to run some Python 2 programs we’ll give you. Visit
Python's website
to learn how to install Python if you don’t already have it.
For Windows, download Python 2 from the above link. For Linux, use your package manager
to install the right package, such as python2 or python2.7. For OS X, you probably already
have Python 2 preinstalled.
To test everything is working, download the Q2 generator from
problem Q and make sure you can generate
q2.in.
The practice session is over! The main contest begins in less than 2 hours.
Congratulations to the practice session's winner ksun48, and to all the 30 teams who
solved all the practice problems. We'd also like to congratulate Lion for being the
first team that solved the whole practice session without a single wrong answer.
Solutions for the practice session will be published shortly.
2017-07-07 14:35:00 UTC
The postcards we received have been entered into the database.
(A few of the ones you sent us
may have been lost or delayed. If you sent us a postcard and it is missing, please get in
touch with us by emailing ipscreg at ksp.skbefore the real contest starts.)
2017-07-07 08:47:00 UTC
Morning! Or, well, happy IPSC practice session, if you are somewhere else in the world!
It's time to test our announcements system – hopefully, for a reason that won't be needed
in the real contest :)
The input files s1.in and s2.in accidentally contain one fewer
ai whenever n > 1. This is now being fixed and correct inputs will be
available soon. The change is that n will be decreased by 1 in each of those test cases.
The solutions that have already been accepted will remain accepted.
Update: the new input files are now available, make sure you download them. (The packages
do also contain the updated input files now.)
