题库 - trees - HydroOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5837	P277E Binary Tree on Plane flows trees *2400	0 / 0	9
	5827	P280C Game on Tree implementation math probabilities trees *2200	1 / 1	8
	5818	P282E Sausage Maximization bitmasks data structures trees *2200	0 / 0	8
	5795	P288D Polo the Penguin and Trees combinatorics dfs and similar trees *2400	0 / 0	9
	5789	P290C WTF? special problem graph matchings implementation trees 1700	0 / 0	5
	5771	P293E Close Vertices data structures divide and conquer trees *2700	1 / 14	10
	5766	P294E Shaass the Great dp trees *2300	0 / 0	8
	5676	P317C Balance constructive algorithms dfs and similar graphs trees *2500	0 / 0	9
	5662	P321C Ciel the Commander constructive algorithms dfs and similar divide and conquer greedy trees *2100	0 / 0	7
	5625	P331D3 Escaping on Beaveractor data structures implementation trees *3000	0 / 0	10
	5596	P337D Book of Evil dfs and similar divide and conquer dp trees *2000	0 / 0	7
	5595	P337E Divisor Tree brute force number theory trees *2200	0 / 0	8
	5588	P339D Xenia and Bit Operations data structures trees *1700	0 / 0	5
	5575	P342E Xenia and Tree data structures divide and conquer trees *2400	1 / 1	9
	5571	P343D Water Tree data structures dfs and similar graphs trees *2100	0 / 0	7
	5570	P343E Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees *2900	0 / 0	10
	5553	P348B Apple Tree dfs and similar number theory trees *2100	0 / 0	7
	5549	P348E Pilgrims dfs and similar dp trees *2800	0 / 0	10
	5467	P369C Valera and Elections dfs and similar graphs trees *1600	0 / 0	5
	5456	P371D Vessels data structures dsu implementation trees *1800	1 / 1	6
	5451	P372D Choosing Subtree is Fun binary search data structures dfs and similar trees two pointers *2600	0 / 0	10
	5444	P374D Inna and Sequence binary search data structures dp trees *2000	0 / 0	7
	5438	P375D Tree and Queries data structures dfs and similar trees *2400	2 / 3	9
	5423	P379F New Year Tree data structures divide and conquer trees *2400	0 / 0	9
	5410	P382D Ksenia and Pawns dfs and similar graphs implementation trees *2200	0 / 0	8
	5406	P383C Propagating tree data structures dfs and similar trees *2000	1 / 3	7
	5348	P396C On Changing Tree data structures graphs trees	0 / 0	(无)
	5320	P403E Two Rooted Trees data structures implementation trees *2900	0 / 0	10
	5309	P406D Hill Climbing dfs and similar geometry trees *2200	0 / 0	8
	5274	P414D Mashmokh and Water Tanks binary search data structures greedy trees two pointers *2300	0 / 0	8
	5260	P418D Big Problems for Organizers data structures graphs trees *2800	0 / 0	10
	5234	P429A Xor-tree dfs and similar trees *1300	0 / 0	4
	5232	P429C Guess the Tree bitmasks constructive algorithms dp greedy trees *2300	0 / 0	8
	5225	P431C k-Tree dp implementation trees *1600	0 / 2	5
	5211	P434E Furukawa Nagisa's Tree binary search divide and conquer sortings trees *3000	0 / 0	10
	5203	P436C Dungeons and Candies dsu graphs greedy trees *1800	0 / 0	6
	5183	P440D Berland Federalization dp trees *2200	0 / 0	8
	5184	P440D Berland Federalization dp trees *2200	0 / 0	8
	5173	P442D Adam and Tree data structures trees *2600	0 / 0	10
	5165	P444E DZY Loves Planting binary search dsu trees *2700	0 / 0	10
	5137	P452B 4-point polyline brute force constructive algorithms geometry trees *1800	0 / 0	6
	5123	P455B A Lot of Games dfs and similar dp games implementation strings trees *1900	0 / 0	6
	5124	P455C Civilization dfs and similar dp dsu ternary search trees *2100	0 / 4	7
	5113	P457F An easy problem about trees dp games greedy trees *3200	0 / 0	10
	5101	P461B Appleman and Tree dfs and similar dp trees *2000	0 / 0	7
	5091	P463E Caisa and Tree brute force dfs and similar math number theory trees *2100	0 / 0	7
	5079	P466E Information Graph dfs and similar dsu graphs trees *2100	1 / 1	7
	5050	P472D Design Tutorial: Inverse the Problem dfs and similar dsu shortest paths trees *1900	1 / 13	6
	5042	P474E Pillars binary search data structures dp sortings trees *2000	0 / 0	7
	5013	P482B Interesting Array constructive algorithms data structures trees *1800	0 / 0	6

根据当前过滤条件随机选择一道题