CROATIAN OPEN COMPETITION IN INFORMATICS
 
Internet online contest series
 
Announcement
 
COCI 2025/2026
 
CONTEST #1
25.10.2025.
14:00 GMT/UTC
 
Tasks
Test data
Solutions
Results
CONTEST #2
22.11.2025.
14:00 GMT/UTC
 
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CONTEST #3
13.12.2025.
14:00 GMT/UTC
 
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CONTEST #4
24.01.2026.
14:00 GMT/UTC
 
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CONTEST #5
21.02.2026.
14:00 GMT/UTC
 
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CONTEST #6
21.03.2026.
14:00 GMT/UTC
 
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CROATIAN OLYMPIAD IN INFORMATICS
10.05.2026.
14:00 GMT/UTC
 
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