The top-scoring 1000 finalists from each sub-round, totaling 3000 skilled programmers, will advance to Round 2. Correct me if I'am not right.
2009/9/6 Luke Pebody <[email protected]> > > No. You are nearly correct. Assuming that regardless of skill level, > each person is equally likely to pick group A, B or C: > In Round 1A, 500 people will qualify from group A and 500 people will > qualify from group B. > > Then when Round 1B starts, the 500 top people from group C will be > better than anyone left from group A, leaving 500 places to be equally > distributed, so 250 people from group A and 250 more people from group > C will qualify. So from Round 1B, 250 people will qualify from group A > and 750 people will qualify from group C. > > Finally, when Round 1C starts, the top 500 people from group B and the > top 750 from group C have already qualified. Thus the next 250 from > group B will qualify, leaving 750 places to be split between groups B > and C (375 each). Thus in Round 1C, 625 people will qualify from group > B and 375 people will qualify from group C. > > Thus overall, 500+250=750 people will qualify from group A, > 500+625=1125 from group B and 750+375=1125 from group C. So B and C > are the same, but "better" than A. > > Of course, there are many parameters not being taken into account > here. CodeJam team - was this approximately the proportions last year? > > On Sat, Sep 5, 2009 at 6:50 AM, Hawston LLH<[email protected]> wrote: > > Is there any different about the choice of picking which two subrounds? I > > think it is, let me explain: > > > > Let A group be those who take 1st and 2nd subround, B group be those who > > take 1st and 3rd, and C group be those who take 2nd and 3rd. > > > > In 1st subround: includes top people from A and B. > > In 2nd subround: includes losers from A and top people from C. > > in 3rd subround: includes only losers from B and C. > > > > obviously, 1st subround is more competitive than 2nd and 3rd. likely, 2nd > > subround is also more competitive than 3rd. > > > > If you are in group A, you face top people from A and B (in subround 1) > and > > C (in subround 2). > > > > If you are in group B, you face top people from A and B (in subround 1). > > > > If you are in group C, you only face top people from C (in subround 2). > > > > Thus, group C is better than group B, and group B is better than group A. > In > > other words, picking 2nd, 3rd round is better than picking 1st, 3rd, > which > > is better than 1st, 2nd. > > > > Am I correct? > > > > > > On Sat, Sep 5, 2009 at 10:11 AM, Cong Thanh Tran <[email protected]> > > wrote: > >> > >> Here is your answer: > >> [quote] > >> Online Round 1 > >> Online Round 1 consists of several sub-rounds offered at different > >> times to ensure that you have ample opportunity to participate in this > >> round no matter what time zone you're in. The three sub-rounds in > >> Online Round 1 will take place on Saturday, September 12 and Sunday, > >> September 13. Note: The sub-round times are listed in UTC. Thus, the > >> actual dates of the sub-rounds may be different in your time zone. > >> > >> Each advancer will be able to participate in a maximum of either two > >> or three contests for Round 1, as announced by Google over email after > >> the conclusion of the Qualification Round. During registration, you'll > >> have been asked for your preferred contest times in Online Round 1. > >> You can change that preference until Saturday, September 5, 2009 at > >> 00:00 UTC (Friday, September 4, 2009 5:00 PM PT). You only have to > >> participate in one of your assigned sub-rounds. We'll endeavor to > >> register contestants for their preferred sub-round times, but cannot > >> guarantee that all contestants will received their preferred sub-round > >> times. Note: Once they have been assigned, you will not be able to > >> change your sub-round dates or times. > >> > >> The top-scoring 1000 finalists from each sub-round, totaling 3000 > >> skilled programmers, will advance to Round 2. If you advance to Online > >> Round 2 from your first assigned sub-round, you may not participate in > >> your second assigned sub-round. If you do not advance to Online Round > >> 2 from your first assigned sub-round, you may participate in your > >> second assigned sub-round for a final opportunity to advance to Round > >> 2. > >> [/quote] > >> On Sep 5, 8:53 am, Xiao <[email protected]> wrote: > >> > Does it mean I can choose one of them, or I should compete in all the > >> > three sub round? > >> > >> >> > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "google-codejam" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-code?hl=en -~----------~----~----~----~------~----~------~--~---
