Summer Contest #6
has decided to host yet another summer contest!
As with all previous summer contests, this one will be unrated.
The score distribution will be: 100-200-300-400-500
- Contest duration: 3 hours.
- Number of problems: 5, full feedback. As per AtCoder format, every submission before your earliest highest scoring submission will incur a five minute penalty. However, submissions on problems you do not score on do not penalize you.
- This contest will be unrated.
- Scoreboard will be not hidden.
- Contest will run on AtCoder format. This means that ties will be broken first by the number of points you have, and second by the time of your latest earliest highest scoring submission on a problem, plus five minutes per submission on a problem prior to scoring on it.
- Number of submissions allowed per problem: 50.
Problems
| Problem | Points | AC Rate | Users |
|---|---|---|---|
| Hello, World! | 3 | 56.3% | 12779 |
| A Plus B | 3p | 48.8% | 8371 |
| The Cosmic Era P3 - Battle Positions | 7 | 30.8% | 1035 |
| STNBD P2 - Claire Elstein | 12p | 22.7% | 244 |
| MMCC '14 P2 - Kirito | 20p | 26.1% | 154 |
Comments
If the time is also the same, is it just a tie, or is there some other tiebreak method?
i'm pretty sure time is measured down to the nanosecond
It is just a tie, and the scoreboard makes this clear by giving everyone with exactly the same score and same penalty (discretized to the second) the same rank. For reference, AtCoder lets ties stand when contestants in their contests have the same score and penalty, irrespective of the number of penalty submissions they have.
It is worth noting, for rating purposes, that if multiple people tie, then their "real" ranks when ratings are computed are defined as the average of the positions covered by the tied coders, as opposed to the nominal rank that appears on the scoreboard. Practically speaking, this scenario applies infrequently to competitors with nonzero scores, but is the reason why contestants who get rated and earn a score of zero lose much more rating than contestants who get a positive score but have a nominal rank that is just barely better than the nominal rank of everyone tied with zero.