是的，我家小的竞赛，周围几乎没人搞，我跟朋友们介绍过AOPS, USACO, 都是娃不感兴趣，父母也就算了

来源: 成功的兔于 2023-06-16 15:57:39 [旧帖] [给我悄悄话] 本文已被阅读：次

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