组合数学

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2100	ABC151E [ABC151E] Max-Min Sums 数学组合数学	0 / 0	(None)
1315	ABC180F [ABC180F] Unbranched 动态规划,dp 组合数学差分	0 / 0	(None)
860	ABC217F [ABC217F] Make Pair 动态规划,dp 区间 dp 组合数学	0 / 0	(None)
262	ABC266G [ABC266G] Yet Another RGB Sequence 组合数学容斥	0 / 0	(None)
238	ABC268G [ABC268G] Random Student ID 组合数学概率论字典树,Trie	0 / 0	(None)
174	ABC273G [ABC273G] Row Column Sums 2 动态规划,dp 组合数学	0 / 0	(None)
1552	ABC281G [ABC281G] Farthest City 动态规划,dp 组合数学排列组合	0 / 0	(None)
1586	ABC284G [ABC284G] Only Once 组合数学基环树	0 / 0	(None)
1596	ABC285H [ABC285Ex] Avoid Square Number 数学组合数学容斥生成函数,GF	0 / 0	(None)
612	AGC018E [AGC018E] Sightseeing Plan 组合数学容斥	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)
463	AGC057E [AGC057E] RowCol/ColRow Sort 动态规划,dp 组合数学	0 / 0	(None)
283	AGC058D [AGC058D] Yet Another ABC String 组合数学容斥生成函数,GF	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)
633	ARC133F [ARC133F] Random Transition 组合数学生成函数,GF	0 / 0	(None)
243	ARC147D [ARC147D] Sets Scores 数学组合数学	0 / 0	(None)

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