排列组合 - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2110	ABC150C [ABC150C] Count Order 枚举排列组合	0 / 0	(None)
1552	ABC281G [ABC281G] Farthest City 动态规划,dp 组合数学排列组合	0 / 0	(None)
2181	AGC040F [AGC040F] Two Pieces 数学组合数学排列组合二项式定理卡特兰数,Catalan 生成函数,GF 拉格朗日反演	0 / 0	(None)
1575	AGC060C [AGC060C] Large Heap 动态规划,dp 组合数学排列组合概率论	0 / 0	(None)

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