trees - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9742	P6E Exposition binary search data structures dsu trees two pointers *1900	0 / 0	6
	9703	P14D Two Paths dfs and similar dp graphs shortest paths trees two pointers *1900	1 / 1	6
	9665	P22E Scheme dfs and similar graphs trees *2300	0 / 0	8
	9651	P25D Roads not only in Berland dsu graphs trees *1900	0 / 0	6
	9631	P29D Ant on the Tree constructive algorithms dfs and similar trees *2000	0 / 0	7
	9592	P37C Old Berland Language data structures greedy trees *1900	0 / 0	6
	9556	P42E Baldman and the military dfs and similar graphs trees *2700	0 / 0	10
	9512	P48G Galaxy Union dp trees two pointers *2700	0 / 0	10
	9495	P51F Caterpillar dfs and similar dp graphs trees *2800	0 / 0	10
	9448	P61D Eternal Victory dfs and similar graphs greedy shortest paths trees *1800	0 / 0	6
	9447	P61E Enemy is weak data structures trees *1900	0 / 0	6
	9398	P70E Information Reform dp implementation trees *2700	0 / 0	10
	9369	P75D Big Maximum Sum data structures dp greedy implementation math trees *2000	0 / 0	7
	9367	P76A Gift dsu graphs sortings trees *2200	0 / 0	8
	9359	P77C Beavermuncher-0xFF dfs and similar dp dsu greedy trees *2100	0 / 0	7
	9340	P81E Pairs dfs and similar dp dsu graphs implementation trees *2700	0 / 0	10
	9325	P85C Petya and Tree binary search dfs and similar probabilities sortings trees *2200	0 / 0	8
	9320	P86C Genetic engineering dp string suffix structures trees *2500	0 / 0	9
	9314	P87D Beautiful Road dfs and similar dp dsu graphs implementation sortings trees *2300	0 / 0	8
	9278	P97E Leaders dfs and similar dsu graphs trees *2200	0 / 0	8
	9276	P98B Help King implementation probabilities trees *2200	0 / 0	8
	9257	P101D Castle dp greedy probabilities sortings trees *2300	0 / 0	8
	9228	P109C Lucky Tree dp dsu trees *1900	0 / 0	6
	9209	P115A Party dfs and similar graphs trees *900	0 / 0	3
	9198	P117E Tree or not Tree data structures divide and conquer implementation trees *2900	0 / 0	10
	9182	P120F Spiders dp greedy trees *1400	0 / 0	4
	9166	P123E Maze dfs and similar dp probabilities trees *2500	0 / 0	9
	9053	P150E Freezing with Style binary search data structures divide and conquer trees *3000	0 / 0	10
	9046	P152E Garden bitmasks dp graphs trees *2500	0 / 0	9
	9008	P161D Distance in Tree dfs and similar dp trees *1800	0 / 0	6
	8992	P163E e-Government data structures dfs and similar dp strings trees *2800	0 / 0	10
	8983	P165D Beard Graph data structures dsu trees *2100	0 / 0	7
	8936	P176E Archaeology data structures dfs and similar trees *3100	0 / 0	10
	8856	P191C Fools and Roads data structures dfs and similar trees *1900	0 / 0	6
	8854	P191E Thwarting Demonstrations binary search data structures trees *2200	0 / 0	8
	8851	P193A Cutting Figure constructive algorithms graphs trees *1700	0 / 0	5
	8833	P196C Paint Tree constructive algorithms divide and conquer geometry sortings trees *2200	0 / 0	8
	8743	P208E Blood Cousins binary search data structures dfs and similar trees *2100	0 / 0	7
	8735	P212E IT Restaurants dfs and similar dp trees *1500	0 / 0	5
	8713	P217E Alien DNA data structures dsu trees *2800	0 / 0	10
	8707	P219D Choosing Capital for Treeland dfs and similar dp graphs trees *1700	0 / 0	5
	8677	P226E Noble Knight's Path data structures trees *2900	0 / 0	10
	8658	P231E Cactus data structures dfs and similar dp graphs trees *2100	0 / 0	7
	8632	P237D T-decomposition dfs and similar graphs greedy trees *2000	0 / 0	7
	8628	P238C World Eater Brothers dfs and similar dp greedy trees *2100	0 / 0	7
	8573	P251E Tree and Table dfs and similar dp implementation trees *3000	0 / 0	10
	8544	P258E Little Elephant and Tree data structures dfs and similar trees *2400	0 / 0	9
	8538	P260D Black and White Tree constructive algorithms dsu graphs greedy trees *2100	0 / 0	7
	8484	P274B Zero Tree dfs and similar dp greedy trees *1800	2 / 5	6
	8474	P276E Little Girl and Problem on Trees data structures graphs trees *2100	1 / 1	7
	8469	P277E Binary Tree on Plane flows trees *2400	0 / 0	9
	8459	P280C Game on Tree implementation math probabilities trees *2200	0 / 0	8
	8450	P282E Sausage Maximization bitmasks data structures trees *2200	0 / 0	8
	8427	P288D Polo the Penguin and Trees combinatorics dfs and similar trees *2400	0 / 0	9
	8421	P290C WTF? special problem graph matchings implementation trees 1700	0 / 0	5
	8403	P293E Close Vertices data structures divide and conquer trees *2700	0 / 0	10
	8398	P294E Shaass the Great dp trees *2300	0 / 0	8
	8309	P317C Balance constructive algorithms dfs and similar graphs trees *2500	0 / 0	9
	8295	P321C Ciel the Commander constructive algorithms dfs and similar divide and conquer greedy trees *2100	0 / 0	7
	8259	P331D3 Escaping on Beaveractor data structures implementation trees *3000	0 / 0	10
	8230	P337D Book of Evil dfs and similar divide and conquer dp trees *2000	0 / 0	7
	8229	P337E Divisor Tree brute force number theory trees *2200	0 / 0	8
	8223	P339D Xenia and Bit Operations data structures trees *1700	0 / 0	5
	8210	P342E Xenia and Tree data structures divide and conquer trees *2400	0 / 0	9
	8206	P343D Water Tree data structures dfs and similar graphs trees *2100	0 / 0	7
	8205	P343E Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees *2900	0 / 0	10
	8187	P348B Apple Tree dfs and similar number theory trees *2100	0 / 0	7
	8184	P348E Pilgrims dfs and similar dp trees *2800	0 / 0	10
	8102	P369C Valera and Elections dfs and similar graphs trees *1600	0 / 0	5
	8091	P371D Vessels data structures dsu implementation trees *1800	0 / 0	6
	8086	P372D Choosing Subtree is Fun binary search data structures dfs and similar trees two pointers *2600	0 / 0	10
	8079	P374D Inna and Sequence binary search data structures dp trees *2000	0 / 0	7
	8074	P375D Tree and Queries data structures dfs and similar trees *2400	0 / 0	9
	8058	P379F New Year Tree data structures divide and conquer trees *2400	0 / 0	9
	8046	P382D Ksenia and Pawns dfs and similar graphs implementation trees *2200	0 / 0	8
	8042	P383C Propagating tree data structures dfs and similar trees *2000	0 / 0	7
	7985	P396C On Changing Tree data structures graphs trees	0 / 0	(None)
	7957	P403E Two Rooted Trees data structures implementation trees *2900	0 / 0	10
	7946	P406D Hill Climbing dfs and similar geometry trees *2200	0 / 0	8
	7912	P414D Mashmokh and Water Tanks binary search data structures greedy trees two pointers *2300	0 / 0	8
	7898	P418D Big Problems for Organizers data structures graphs trees *2800	0 / 0	10
	7872	P429A Xor-tree dfs and similar trees *1300	0 / 0	4
	7870	P429C Guess the Tree bitmasks constructive algorithms dp greedy trees *2300	0 / 0	8
	7863	P431C k-Tree dp implementation trees *1600	1 / 1	5
	7849	P434E Furukawa Nagisa's Tree binary search divide and conquer sortings trees *3000	0 / 0	10
	7841	P436C Dungeons and Candies dsu graphs greedy trees *1800	0 / 0	6
	7822	P440D Berland Federalization dp trees *2200	0 / 0	8
	7813	P442D Adam and Tree data structures trees *2600	0 / 0	10
	7805	P444E DZY Loves Planting binary search dsu trees *2700	0 / 0	10
	7777	P452B 4-point polyline brute force constructive algorithms geometry trees *1800	0 / 0	6
	7764	P455B A Lot of Games dfs and similar dp games implementation strings trees *1900	0 / 0	6
	7763	P455C Civilization dfs and similar dp dsu ternary search trees *2100	0 / 0	7
	7753	P457F An easy problem about trees dp games greedy trees *3200	0 / 0	10
	7741	P461B Appleman and Tree dfs and similar dp trees *2000	0 / 0	7
	7731	P463E Caisa and Tree brute force dfs and similar math number theory trees *2100	0 / 0	7
	7719	P466E Information Graph dfs and similar dsu graphs trees *2100	0 / 0	7
	7690	P472D Design Tutorial: Inverse the Problem dfs and similar dsu shortest paths trees *1900	1 / 1	6
	7682	P474E Pillars binary search data structures dp sortings trees *2000	0 / 0	7
	7654	P482B Interesting Array constructive algorithms data structures trees *1800	0 / 0	6
	7652	P482D Random Function and Tree combinatorics dp trees *2700	0 / 0	10

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