1268:25:22
-74 days 3:34:38
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Preparation (not mandatory)


Time elapsed

1779:34:38

Time Remaining

1268:25:22

Starts in

-74 days 3:34:38

Ends in

52 days 20:25:22

Start

2025-01-19 10:00 CET

End

2025-05-26 11:00 CEST

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Preparation (not mandatory)

Problem C
Odd Echo — Problem Statistics

Back to problem description
Submissions 1437
Accepted submissions 552
Submission ratio 38.41%
Authors 555
Accepted authors 511
Author ratio 92.07%

Solution running time distribution