Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round #661 (Div. 3)
2 days
Register now »

→ Filter Problems

Difficulty: —

trees

Add tag

Problems

#	Name
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1778
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2128
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x2537
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x2742
675D	Дерево data structures, trees	1800	x2811
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x2856
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x3126
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x3132
923C	Perfect Security data structures, greedy, strings, trees	1800	x3142
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x3154
1118F1	Tree Cutting (Easy Version) dfs and similar, trees	1800	x3167
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x3213
371D	Vessels data structures, dsu, implementation, trees	1800	x3244
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x3268
482B	Interesting Array constructive algorithms, data structures, trees	1800	x3974
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x4051
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x4666
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x4906
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x5364
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x5590
161D	Distance in Tree dfs and similar, dp, trees	1800	x5984
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1105
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x2131
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x2592
507C	Guess Your Way Out! implementation, math, trees	1700	x3317
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x3939
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x4058
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x4263
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x4883
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x6321
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x7143
339D	Xenia and Bit Operations data structures, trees	1700	x11779
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x3370
979C	Kuro and Walking Route dfs and similar, trees	1600	x4000
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x4814
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x5017
1006E	Military Problem dfs and similar, graphs, trees	1600	x5214
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x5378
1188A1	Add on a Tree trees	1600	x5606
369C	Valera and Elections dfs and similar, graphs, trees	1600	x5840
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x6170
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x6714
1363C	Game On Leaves games, trees	1600	x10263
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x11083
431C	k-Tree dp, implementation, trees	1600	x13149
212E	IT Restaurants dfs and similar, dp, trees	1500	x777
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x1857
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x4117
901A	Hashing Trees constructive algorithms, trees	1500	x4171
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x4264
821C	Okabe and Boxes data structures, greedy, trees	1500	x4596
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x4688
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x4821
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x6159
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x6969
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x8621
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x8828
580C	Kefa and Park dfs and similar, graphs, trees	1500	x17443
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x1588
120F	Spiders dp, greedy, trees	1400	x2339
981C	Useful Decomposition implementation, trees	1400	x3553
1143C	Queen dfs and similar, trees	1400	x5973
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x4519
429A	Xor-tree dfs and similar, trees	1300	x6172
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x6414
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x7688
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x8809
913B	Christmas Spruce implementation, trees	1200	x9716
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x2586
115A	Party dfs and similar, graphs, trees	900	x17285

→