Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
43:45:44
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Problems

#	Name
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39610
115A	Party dfs and similar, graphs, trees	900	x32742
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x30965
431C	k-Tree dp, implementation, trees	1600	x24465
339D	Xenia and Bit Operations data structures, trees	1700	x23560
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22062
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19260
1363C	Game On Leaves games, trees	1600	x17785
1857D	Strong Vertices math, sortings, trees	1300	x17577
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16964
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15900
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15848
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15693
913B	Christmas Spruce implementation, trees	1200	x15359
1905B	Begginer's Zelda greedy, trees	1100	x15177
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14408
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14097
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14012
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13810
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13766
161D	Distance in Tree dfs and similar, dp, trees	1800	x13519
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13174
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12866
600E	Lomsat gelral data structures, dfs and similar, dsu, trees	2300	x12601
1675D	Vertical Paths graphs, implementation, trees	1300	x12520
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12371
1437D	Minimal Height Tree graphs, greedy, shortest paths, trees	1600	x12284
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x11963
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x11922
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11619
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11611
1143C	Queen dfs and similar, trees	1400	x11189
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10765
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10764
1689C	Infected Tree dfs and similar, dp, trees	1600	x10456
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10412
1663A	Who Tested? *special problem, expression parsing, trees		x10385
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10351
25D	Roads not only in Berland dsu, graphs, trees	1900	x10307
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10227
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10084
61E	Enemy is weak data structures, trees	1900	x10024
429A	Xor-tree dfs and similar, trees	1300	x9975
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9795
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9474
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9414
1006E	Military Problem dfs and similar, graphs, trees	1600	x9400
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9380
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9333
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9239
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9005
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8851
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8842
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8825
1328E	Tree Queries dfs and similar, graphs, trees	1900	x8768
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8577
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8535
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8352
1369D	TediousLee dp, graphs, greedy, math, trees	1900	x8251
1188A1	Add on a Tree trees	1600	x8143
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8042
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8041
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8028
342E	Xenia and Tree data structures, divide and conquer, trees	2400	x7596
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7584
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7470
1187E	Tree Painting dfs and similar, dp, trees	2100	x7402
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x7325
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7216
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7190
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x7135
1714G	Path Prefixes binary search, data structures, dfs and similar, trees	1700	x7083
1404B	Tree Tag dfs and similar, dp, games, trees	1900	x7071
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x6989
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x6916
609E	Minimum spanning tree for each edge data structures, dfs and similar, dsu, graphs, trees	2100	x6910
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x6902
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x6870
321C	Ciel the Commander constructive algorithms, dfs and similar, divide and conquer, greedy, trees	2100	x6764
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6739
191C	Fools and Roads data structures, dfs and similar, trees	1900	x6706
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x6623
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6602
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6595
821C	Okabe and Boxes data structures, greedy, trees	1500	x6582
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6522
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6477
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6390
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6234
375D	Tree and Queries data structures, dfs and similar, trees	2400	x6174
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6161
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6152
1388D	Captain Flint and Treasure data structures, dfs and similar, graphs, greedy, implementation, trees	2000	x6118
383C	Propagating tree data structures, dfs and similar, trees	2000	x6075
979C	Kuro and Walking Route dfs and similar, trees	1600	x6070
208E	Blood Cousins binary search, data structures, dfs and similar, trees	2100	x6053
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6018
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5973
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5947
1436D	Bandit in a City binary search, dfs and similar, graphs, greedy, trees	1900	x5831

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