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====== 2020/5/18-2020/5/24 ====== ===== 团队训练 ===== ===== 队伍知识点 ===== ===== 吕双羽 ===== \\ ===== 吴湛宇 ===== ===知识点=== 博弈论\\ nim：有n堆石子，每次可以取一堆中的任意个，不能操作者输\\ 当且仅当a1^a2...^an=0时，后手必胜 ===比赛=== https://atcoder.jp/contests/abc173 ===== 陶虹宇 ===== 下次一定\\ ===== 本周推荐 ===== 无