Yandex.Contest is moving to a new database, planned downtime is from July 25, 15:00 MSK until July 26, 00:00 MSK. Thank you for your patience.
22 Jul 2018, 20:28:32
start:
23 Apr 2017, 03:00:00
end:
23 Apr 2017, 08:00:00
duration:
05:00:00