Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
42:03:39
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Before contest
Codeforces Round 941 (Div. 2)
42:03:40
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Problems

#	Name
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x30944
115A	Party dfs and similar, graphs, trees	900	x32723
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5743
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22048
1905B	Begginer's Zelda greedy, trees	1100	x15157
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16952
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15691
913B	Christmas Spruce implementation, trees	1200	x15357
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x11920
1857D	Strong Vertices math, sortings, trees	1300	x17560
862B	Mahmoud and Ehab and the bipartiteness dfs and similar, graphs, trees	1300	x15885
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x14398
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14081
1675D	Vertical Paths graphs, implementation, trees	1300	x12518
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11396
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10340
429A	Xor-tree dfs and similar, trees	1300	x9970
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5425
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14008
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13169
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12347
1143C	Queen dfs and similar, trees	1400	x11143
981C	Useful Decomposition implementation, trees	1400	x5115
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4264
120F	Spiders dp, greedy, trees	1400	x3502
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39593
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15845
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12856
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x11951
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10760
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x10758
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9471
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x6739
821C	Okabe and Boxes data structures, greedy, trees	1500	x6569
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5972
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5670
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5506
901A	Hashing Trees constructive algorithms, trees	1500	x5005
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3570
212E	IT Restaurants dfs and similar, dp, trees	1500	x1655
431C	k-Tree dp, implementation, trees	1600	x24454
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19247
1363C	Game On Leaves games, trees	1600	x17779
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13801
1437D	Minimal Height Tree graphs, greedy, shortest paths, trees	1600	x12281
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11613
1689C	Infected Tree dfs and similar, dp, trees	1600	x10445
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10080
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9406
1006E	Military Problem dfs and similar, graphs, trees	1600	x9393
369C	Valera and Elections dfs and similar, graphs, trees	1600	x9370
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x8837
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8775
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8574
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8352
1188A1	Add on a Tree trees	1600	x8143
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8026
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x6983
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x6898
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6579
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6389
979C	Kuro and Walking Route dfs and similar, trees	1600	x6070
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5613
339D	Xenia and Bit Operations data structures, trees	1700	x23540
1037D	Valid BFS? dfs and similar, graphs, shortest paths, trees	1700	x13747
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10404
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10225
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9792
219D	Choosing Capital for Treeland dfs and similar, dp, graphs, trees	1700	x8523
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8036
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7582
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7128
1714G	Path Prefixes binary search, data structures, dfs and similar, trees	1700	x7079
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x6914
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6510
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5941
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5601
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5523
1085D	Minimum Diameter Tree constructive algorithms, implementation, trees	1700	x5283
507C	Guess Your Way Out! implementation, math, trees	1700	x4273
193A	Cutting Figure constructive algorithms, graphs, trees	1700	x3825
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3377
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1515
161D	Distance in Tree dfs and similar, dp, trees	1800	x13504
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9330
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9231
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x8983
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8843
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x8039
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7467
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7214
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6585
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6232
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6148
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6012
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x5753
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5705
1118F1	Tree Cutting (Easy Version) dfs and similar, trees	1800	x5559
371D	Vessels data structures, dsu, implementation, trees	1800	x5302
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5264

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