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duckcodeforces's groups
| Group name | Role | Invitation | Member since | Invited on |
|---|---|---|---|---|
| CSP Marathon 2025 | Participant | Accepted | Jul/07/2025 18:57 | Jul/07/2025 18:57 |
| TLOI - Thang Long Da Lat Olympiad in Informatics | Participant | Accepted | Aug/19/2024 04:37 | Aug/19/2024 04:37 |
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