0:00:00
-1431 days 21:34:09
Contest is over

Problems from North America Championship 2020 Mirror


Time elapsed

5:00:00

Time Remaining

0:00:00

Starts in

-1431 days 21:34:09

Ends in

-1431 days 16:34:09

Start

2022-04-24 18:40 CEST

End

2022-04-24 23:40 CEST

Visit Scoreboard
Log in

Problems from North America Championship 2020 Mirror

Problem E
Grid Guardian — Problem Statistics

Back to problem description
Submissions 192
Accepted submissions 59
Submission ratio 30.73%
Authors 41
Full solves [?] 23
Full solve Ratio 56.10%

Solution running time distribution