@problemparadise.bsky.social on Bluesky

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problemparadise.bsky.social

did:plc:htrqwvx4wntqaj7f4tbjk53q

1/12に開催する第３回OSC（Online Solving Contest）のお申し込みは1/5まで。1/19に世界同時で開催されるISC（International Solving Contest）の直前対策講座も兼ねています。 https://docs.google.com/forms/d/1JhriPutW9Roec4J4mZlTX8VubsnnLOUdjLuSy69VGds/edit

2025-01-01T03:01:56.746Z